diff --git a/bb/game.c b/bb/game.c
index 8ff329c..5515d6a 100644
--- a/bb/game.c
+++ b/bb/game.c
@@ -34,7 +34,7 @@ void update_input() {
 static void do_title_screen() {
 	const uint32_t timestamp = g_sys.get_timestamp() + 20 * 1000;
 	load_img(g_res.amiga_data ? "blues.lbm" : "pres.sqz", GAME_SCREEN_W, g_options.cga_colors ? 0 : -1);
-	fade_in_palette();
+	g_sys.fade_in_palette();
 	do {
 		update_input();
 		if (g_sys.input.space || g_sys.input.quit) {
@@ -51,7 +51,7 @@ static void do_demo_screens() {
 	static const char *filenames[] = { "text1.sqz", "maq1.sqz", "maq2.sqz", "maq3.sqz", "maq4.sqz", "maq5.sqz", 0 };
 	for (int i = 0; filenames[i]; ++i) {
 		load_img(filenames[i], GAME_SCREEN_W, -1);
-		fade_in_palette();
+		g_sys.fade_in_palette();
 		while (1) {
 			update_input();
 			if (g_sys.input.space) {
@@ -197,7 +197,7 @@ static void do_select_player() {
 			break;
 		}
 		if (!fade) {
-			fade_in_palette();
+			g_sys.fade_in_palette();
 			fade = 1;
 			for (int i = 0; i < colors_count; ++i) {
 				screen_adjust_palette_color( 3, color_rgb, 1);
@@ -205,7 +205,6 @@ static void do_select_player() {
 			}
 			continue;
 		}
-		screen_redraw_sprites();
 		screen_flip();
 		screen_vsync();
 		const int diff = (timestamp + (1000 / 30)) - g_sys.get_timestamp();
@@ -220,7 +219,6 @@ static void do_select_player() {
 static void do_inter_screen_helper(int xpos, int ypos, int c) {
 	for (int i = 0; i < 40; ++i) {
 		screen_add_sprite(xpos + 20 - 1 - i, ypos - 20 + 1 + i, 125);
-		screen_redraw_sprites();
 		if (c != 0) {
 			screen_vsync();
 		}
@@ -228,7 +226,6 @@ static void do_inter_screen_helper(int xpos, int ypos, int c) {
 	}
 	for (int i = 0; i < 40; ++i) {
 		screen_add_sprite(xpos - 20 + 1 + i, ypos - 20 + 1 + i, 125);
-		screen_redraw_sprites();
 		if (c != 0) {
 			screen_vsync();
 		}
@@ -249,7 +246,7 @@ static void do_inter_screen() {
 	if (g_vars.level == MAX_LEVELS - 1) {
 		do_inter_screen_helper(xpos[g_vars.level], ypos[g_vars.level], 0);
 	}
-	fade_in_palette();
+	g_sys.fade_in_palette();
 	if (g_vars.level > 0 && g_vars.level < MAX_LEVELS - 1) {
 		do_inter_screen_helper(xpos[g_vars.level - 1], ypos[g_vars.level - 1], 1);
 	}
@@ -258,7 +255,6 @@ static void do_inter_screen() {
 	if (g_vars.level < MAX_LEVELS - 1) {
 		play_sound(SOUND_2);
 		screen_add_sprite(xpos[g_vars.level], ypos[g_vars.level], 126);
-		screen_redraw_sprites();
 	}
 	screen_flip();
 	const uint32_t timestamp = g_sys.get_timestamp() + 4 * 1000;
diff --git a/bb/game.h b/bb/game.h
index a1807b8..efc2ff6 100644
--- a/bb/game.h
+++ b/bb/game.h
@@ -221,8 +221,6 @@ extern void	level_call_object_func(struct object_t *);
 extern void	screen_init();
 extern void	screen_clear_sprites();
 extern void	screen_add_sprite(int x, int y, int frame);
-extern void	screen_redraw_sprites();
-extern void	fade_in_palette();
 extern void	fade_out_palette();
 extern void	screen_adjust_palette_color(int color, int b, int c);
 extern void	screen_vsync();
diff --git a/bb/level.c b/bb/level.c
index 2e6d0e7..ba5fbdd 100644
--- a/bb/level.c
+++ b/bb/level.c
@@ -2130,7 +2130,6 @@ void do_level() {
 		// demo
 		do_level_update_scrolling2();
 		do_level_update_objects();
-		screen_redraw_sprites();
 		if (!g_res.amiga_data) {
 			draw_foreground_tiles();
 		}
diff --git a/bb/screen.c b/bb/screen.c
index 5644ca6..4dec4a9 100644
--- a/bb/screen.c
+++ b/bb/screen.c
@@ -66,10 +66,6 @@ void screen_add_sprite(int x, int y, int frame) {
 void screen_redraw_sprites() {
 }
 
-void fade_in_palette() {
-	g_sys.fade_in_palette();
-}
-
 void fade_out_palette() {
 	// g_sys.fade_out_palette();
 }
diff --git a/ja/game.c b/ja/game.c
index a5379d4..2a87b34 100644
--- a/ja/game.c
+++ b/ja/game.c
@@ -35,12 +35,12 @@ static void wait_input(int timeout) {
 static void do_splash_screen() {
 	load_file("titus.eat");
 	video_copy_vga(0x7D00);
-	fade_in_palette();
-	fade_out_palette();
+	g_sys.fade_in_palette();
+	g_sys.fade_out_palette();
 	load_file("tiny.eat");
 	video_copy_vga(0x7D00);
-	fade_in_palette();
-	fade_out_palette();
+	g_sys.fade_in_palette();
+	g_sys.fade_out_palette();
 }
 
 static void scroll_screen_palette() {
@@ -90,7 +90,7 @@ static void do_select_screen_scroll_palette_pattern4() {
 static void do_select_screen() {
 	load_file("select.eat");
 	video_copy_vga(0x7D00);
-	fade_in_palette();
+	g_sys.fade_in_palette();
 	memcpy(g_vars.palette_buffer, g_res.tmp, 256 * 3);
 	do_select_screen_scroll_palette_pattern2();
 	int bl = 2;
@@ -129,7 +129,7 @@ static void do_select_screen() {
 			assert(bl == 1 || bl == 2);
 			g_sys.input.space = 0;
 			g_vars.player = 1 - ((bl & 3) - 1);
-			fade_out_palette();
+			g_sys.fade_out_palette();
 			break;
 		}
 		update_input();
@@ -142,9 +142,9 @@ void do_difficulty_screen() {
 	snprintf(name, sizeof(name), "dif%02d.eat", (g_vars.level >> 3) + 1);
 	load_file(name);
 	video_copy_vga(0x7D00);
-	fade_in_palette();
+	g_sys.fade_in_palette();
 	wait_input(560);
-	fade_out_palette();
+	g_sys.fade_out_palette();
 }
 
 void do_level_number_screen() {
@@ -154,8 +154,8 @@ void do_level_number_screen() {
 	snprintf(buf, sizeof(buf), "%02d", g_vars.level);
 	video_draw_string(buf, 0x5E9B, 11);
 	video_copy_vga(0x7D00);
-	fade_in_palette();
-	fade_out_palette();
+	g_sys.fade_in_palette();
+	g_sys.fade_out_palette();
 }
 
 static uint16_t rol16(uint16_t x, int c) {
@@ -180,16 +180,16 @@ void do_level_password_screen() {
 	video_draw_string("STAGE NUMBER", 0x7E96, 11);
 	video_draw_string(str, 0xABB4, 20);
 	video_copy_vga(0x7D00);
-	fade_in_palette();
+	g_sys.fade_in_palette();
 	scroll_screen_palette();
 	wait_input(64000);
-	fade_out_palette();
+	g_sys.fade_out_palette();
 }
 
 static void do_password_screen() {
 	load_file("password.eat");
 	video_draw_string("ENTER PASSWORD", 0x7E96, 11);
-	fade_in_palette();
+	g_sys.fade_in_palette();
 	char str[5] = "0000";
 	video_draw_string(str, 0xABB4, 20);
 }
@@ -197,18 +197,18 @@ static void do_password_screen() {
 static int do_menu_screen() {
 	load_file("menu.eat");
 	video_copy_vga(0x7D00);
-	fade_in_palette();
+	g_sys.fade_in_palette();
 	memset(g_vars.input_keystate, 0, sizeof(g_vars.input_keystate));
 	g_vars.level_time = 0;
 	while (!g_sys.input.quit) {
 		scroll_screen_palette();
 		if (g_vars.input_keystate[2] || g_vars.input_keystate[0x4F] || g_sys.input.space) {
 			g_sys.input.space = 0;
-			fade_out_palette();
+			g_sys.fade_out_palette();
 			return 1;
 		}
 		if (g_vars.input_keystate[3] || g_vars.input_keystate[0x50]) {
-			fade_out_palette();
+			g_sys.fade_out_palette();
 			return 2;
 		}
 		if (g_vars.input_keystate[4] || g_vars.input_keystate[0x51]) {
@@ -221,22 +221,22 @@ static int do_menu_screen() {
 }
 
 static int do_options_screen() {
-	fade_out_palette();
+	g_sys.fade_out_palette();
 	load_file("fond.eat");
 	video_draw_string("GAME SPEED", 0x3EE9, 11);
 	video_draw_string("1 FAST", 0x647E, 11);
 	video_draw_string("2 NORMAL", 0x89FE, 11);
 	video_copy_vga(0x7D00);
-	fade_in_palette();
+	g_sys.fade_in_palette();
 	memset(g_vars.input_keystate, 0, sizeof(g_vars.input_keystate));
 	while (!g_sys.input.quit) {
 		scroll_screen_palette();
 		if (g_vars.input_keystate[2] || g_vars.input_keystate[0x4F]) {
-			fade_out_palette();
+			g_sys.fade_out_palette();
 			return 1;
 		}
 		if (g_vars.input_keystate[3] || g_vars.input_keystate[0x50]) {
-			fade_out_palette();
+			g_sys.fade_out_palette();
 			return 2;
 		}
 		update_input();
@@ -249,16 +249,16 @@ void do_game_over_screen() {
 	load_file("fond.eat");
 	video_draw_string("GAME OVER", 0x5E2E, 11);
 	video_copy_vga(0x7D00);
-	fade_in_palette();
+	g_sys.fade_in_palette();
 	wait_input(64000);
-	fade_out_palette();
+	g_sys.fade_out_palette();
 }
 
 void do_game_win_screen() {
 	load_file("win.eat");
 	video_copy_vga(0x7D00);
-	fade_in_palette();
-	fade_out_palette();
+	g_sys.fade_in_palette();
+	g_sys.fade_out_palette();
 	load_file("end.eat");
 	video_copy_vga(0xB500);
 	static const int count = 5;
@@ -299,9 +299,9 @@ void do_game_win_screen() {
 		}
 		++i;
 		video_copy_vga(0x7D00);
-		fade_in_palette();
+		g_sys.fade_in_palette();
 		wait_input(64000);
-		fade_out_palette();
+		g_sys.fade_out_palette();
 		memcpy(g_res.tmp + 768, g_res.background, 64000);
 	}
 }
diff --git a/ja/game.h b/ja/game.h
index 4e748d0..34c3965 100644
--- a/ja/game.h
+++ b/ja/game.h
@@ -215,8 +215,6 @@ extern void	video_draw_sprite(int num, int x, int y, int flag);
 extern void	video_draw_string(const char *s, int offset, int hspace);
 extern void	video_copy_vga(int size);
 extern void	video_copy_backbuffer(int h);
-extern void	fade_in_palette();
-extern void	fade_out_palette();
 extern void	ja_decode_spr(const uint8_t *src, int w, int h, uint8_t *dst, int dst_pitch, uint8_t pal_mask);
 extern void	ja_decode_chr(const uint8_t *buffer, const int size, uint8_t *dst, int dst_pitch);
 extern void	ja_decode_tile(const uint8_t *buffer, uint8_t pal_mask, uint8_t *dst, int dst_pitch, int x, int y);
diff --git a/ja/level.c b/ja/level.c
index a716a67..e3b101a 100644
--- a/ja/level.c
+++ b/ja/level.c
@@ -29,7 +29,7 @@ static void do_end_of_level() {
 	g_sys.set_palette_color(color_index, white);
 	g_sys.update_screen(g_res.vga, 1);
 	g_sys.sleep(1000);
-	fade_out_palette();
+	g_sys.fade_out_palette();
 }
 
 static void level_player_die(struct player_t *player) {
@@ -3026,7 +3026,7 @@ void do_level() {
 			continue;
 		}
 		// player fell or no energy left
-		fade_out_palette();
+		g_sys.fade_out_palette();
 		assert(g_vars.player != 2);
 		if (g_vars.players_table[0].lifes_count != 0) {
 			init_level(get_level()); // restart
diff --git a/ja/screen.c b/ja/screen.c
index edf9d4b..94defba 100644
--- a/ja/screen.c
+++ b/ja/screen.c
@@ -68,18 +68,6 @@ void video_copy_backbuffer(int h) {
 	}
 }
 
-void fade_in_palette() {
-	if (!g_sys.input.quit) {
-		g_sys.fade_in_palette();
-	}
-}
-
-void fade_out_palette() {
-	if (!g_sys.input.quit) {
-		g_sys.fade_out_palette();
-	}
-}
-
 void ja_decode_spr(const uint8_t *src, int w, int h, uint8_t *dst, int dst_pitch, uint8_t pal_mask) {
 	const int bitplane_size = w * h;
 	for (int y = 0; y < h; ++y) {
diff --git a/ja/unpack.c b/ja/unpack.c
index a60df58..67c51be 100644
--- a/ja/unpack.c
+++ b/ja/unpack.c
@@ -4,6 +4,8 @@
 #include "unpack.h"
 #include "util.h"
 
+static const bool _crc = false;
+
 struct unpack_eat_t {
 	FILE *fp;
 	uint8_t len;
@@ -64,6 +66,33 @@ static int unpack_eat(struct unpack_eat_t *u, uint8_t *output_buffer, int output
 		print_error("Invalid output buffer size %d, need %d", output_buffer_size, output_size);
 		return 0;
 	}
+	if (_crc) { /* CCITT */
+		uint16_t tbl[256];
+		for (int i = 0; i < 256; ++i) {
+			uint16_t b = i;
+			for (int j = 0; j < 8; ++j) {
+				if (b & 1) {
+					b = (b >> 1) ^ 0xA001;
+				} else {
+					b >>= 1;
+				}
+			}
+			tbl[i] = b;
+		}
+		uint16_t ax = 0;
+		while (1) {
+			const uint8_t b = fgetc(u->fp);
+			if (feof(u->fp)) {
+				break;
+			}
+			ax = (ax >> 8) ^ tbl[(ax ^ b) & 0xFF];
+		}
+		if (ax != crc) {
+			print_error("Invalid CRC 0x%x, expected 0x%x", ax, crc);
+			return 0;
+		}
+		fseek(u->fp, 17, SEEK_SET);
+	}
 
 	u->dst = output_buffer;
 	u->len = 16;
diff --git a/p2/game.c b/p2/game.c
index dc46b8d..c807067 100644
--- a/p2/game.c
+++ b/p2/game.c
@@ -100,9 +100,9 @@ static void do_titus_screen() {
 	if (data) {
 		g_sys.set_screen_palette(data, 0, 256, 6);
 		update_screen_img(data + 768);
-		fade_in_palette();
+		g_sys.fade_in_palette();
 		wait_input(70);
-		fade_out_palette();
+		g_sys.fade_out_palette();
 		free(data);
 	}
 }
@@ -112,7 +112,7 @@ static void do_present_screen() {
 	if (data) {
 		g_sys.set_screen_palette(data, 0, 256, 6);
 		update_screen_img(data + 768);
-		fade_in_palette();
+		g_sys.fade_in_palette();
 		free(data);
 	}
 }
@@ -125,18 +125,18 @@ static void do_menu() {
 	if (data) {
 		g_sys.set_screen_palette(data, 0, 256, 6);
 		update_screen_img(data + 768);
-		fade_in_palette();
+		g_sys.fade_in_palette();
 		free(data);
 		memset(g_vars.input.keystate, 0, sizeof(g_vars.input.keystate));
 		while (!g_sys.input.quit) {
 			update_input();
 			if (g_vars.input.keystate[2] || g_vars.input.keystate[0x4F] || g_sys.input.space) {
 				g_sys.input.space = 0;
-				fade_out_palette();
+				g_sys.fade_out_palette();
 				break;
 			}
 			if (g_vars.input.keystate[3] || g_vars.input.keystate[0x50]) {
-				fade_out_palette();
+				g_sys.fade_out_palette();
 				break;
 			}
 			g_sys.sleep(30);
diff --git a/p2/game.h b/p2/game.h
index 244294e..5c7279a 100644
--- a/p2/game.h
+++ b/p2/game.h
@@ -220,7 +220,14 @@ struct vars_t {
 		uint8_t counter;
 		uint8_t unk8;
 		struct boss_level5_proj_t proj_tbl[5];
-	} boss_level5;
+	} boss_level5; /* tree */
+	struct {
+		int16_t unk1;
+		uint8_t unk2;
+		uint8_t unk3;
+		const uint8_t *seq;
+		const uint16_t *anim;
+	} boss_level9; /* minotaur statue */
 	struct {
 		int16_t x_pos, y_pos;
 		uint16_t spr_num;
@@ -263,6 +270,7 @@ extern const uint8_t cos_tbl[256];
 extern const uint8_t sin_tbl[256];
 extern const uint16_t monster_spr_tbl[48];
 extern const uint8_t monster_anim_tbl[1100];
+extern const uint8_t boss_minotaur_seq_data[742];
 
 /* game.c */
 extern void	update_input();
@@ -291,8 +299,6 @@ extern void	video_draw_number(int offset, int num);
 extern void	video_draw_tile(const uint8_t *src, int x, int y);
 extern void	video_convert_tiles(uint8_t *data, int len);
 extern void	video_load_front_tiles();
-extern void	fade_in_palette();
-extern void	fade_out_palette();
 extern void	video_wait_vbl();
 extern void	video_transition_close();
 extern void	video_transition_open();
diff --git a/p2/level.c b/p2/level.c
index 882b1b1..3eec898 100644
--- a/p2/level.c
+++ b/p2/level.c
@@ -228,6 +228,19 @@ static void load_level_data(int num) {
 	load_level_data_init_secret_bonus_tiles();
 	load_level_data_init_password_items();
 	g_res.restart = g_res.level;
+	int count = 0;
+	for (int i = 0; i < MAX_LEVEL_ITEMS; ++i) {
+		struct level_item_t *item = &g_res.level.items_tbl[i];
+		const uint16_t spr_num = item->spr_num;
+		if (spr_num >= 110 && spr_num <= 219) {
+			if (spr_num >= 128 || spr_num <= 117) {
+				++count;
+			}
+		}
+	}
+	static const uint8_t type_tbl[] = { 0xFF, 0x0C, 0x0B, 0x0A, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x0E };
+	if (g_vars.level_num < 10 && type_tbl[g_vars.level_num] != 0xFF) {
+	}
 }
 
 static void level_draw_tile(int tile_num, int x, int y) {
@@ -935,6 +948,7 @@ static void level_reset() {
 	}
 	memset(g_vars.boss_level5.proj_tbl, 0xFF, sizeof(g_vars.boss_level5.proj_tbl));
 	g_vars.player_energy = 3;
+	memset(&g_vars.boss_level9, 0, sizeof(g_vars.boss_level9));
 
 	g_vars.decor_tile0_offset = _undefined;
 	g_vars.tilemap_yscroll_diff = 0;
@@ -1208,20 +1222,30 @@ static bool level_handle_bonuses_found(struct object_t *obj, struct level_bonus_
 		if (bonus->count & 0x40) {
 			if (bonus->count == 64) {
 				bonus->count = 0;
-				if (g_vars.level_num == 7 || g_vars.level_num == 6) {
+				if (g_vars.level_num == 3) {
+					g_vars.current_bonus.spr_num = 306;
+				} else if (g_vars.level_num == 7 || g_vars.level_num == 6) {
 					g_vars.current_bonus.spr_num = 300;
-					level_add_object23_bonus(32, -48, 2);
-					g_vars.current_bonus.spr_num = 229;
-					count = 4;
+				} else {
+					g_vars.current_bonus.spr_num = 308;
+				}
+				level_add_object23_bonus(32, -48, 2);
+				if (g_vars.level_num == 8) {
+					g_vars.current_bonus.spr_num = 310;
+					count = 2;
 				} else {
 					g_vars.current_bonus.spr_num = 229;
-					count = 1;
+					count = 4;
 				}
 			} else {
-				if (g_vars.level_num == 7 || g_vars.level_num == 6) {
+				if (g_vars.level_num == 3) {
+					g_vars.current_bonus.spr_num = 306;
+				} else if (g_vars.level_num == 7 || g_vars.level_num == 6) {
 					g_vars.current_bonus.spr_num = 300;
-					level_add_object23_bonus(48, -96, 4);
+				} else {
+					g_vars.current_bonus.spr_num = 308;
 				}
+				level_add_object23_bonus(48, -96, 4);
 				goto decrement_bonus;
 			}
 		} else {
@@ -1310,6 +1334,25 @@ static void level_update_objects_axe() {
 	}
 }
 
+static void level_clear_boss_objects(int count) {
+	if (count > 8) {
+		count = 8;
+	}
+	if (count != 0 && 0) {
+		play_music(13);
+		for (int i = 0; i < count; ++i) {
+			struct object_t *obj = &g_vars.objects_tbl[108 + i];
+			obj->spr_num = 0x135;
+			obj->x_pos = 8 + i * 5;
+			obj->y_pos = 170;
+		}
+	}
+	for (int i = count; i < 8; ++i) {
+		struct object_t *obj = &g_vars.objects_tbl[108 + i];
+		obj->spr_num = 0xFFFF;
+	}
+}
+
 static void level_update_objects_boss_level5_helper() {
 	--g_vars.bonus_energy_counter;
 	if (g_vars.bonus_energy_counter < 0) {
@@ -1329,7 +1372,7 @@ static void level_update_objects_boss_level5_helper() {
 	level_add_object23_bonus(x_vel, y_vel, 1);
 }
 
-static void level_update_boss() {
+static void level_update_boss_gorilla() {
 	const int x = (g_vars.boss.x_pos >> 4) + g_res.level.end_x_pos;
 	if (x >= 0) {
 		if (g_res.level.boss_xmin <= x && g_res.level.boss_xmax >= x) {
@@ -1369,7 +1412,8 @@ static void level_update_boss() {
 	print_warning("level_update_boss unimplemented end_pos %d,%d", g_res.level.end_x_pos, g_res.level.end_y_pos);
 }
 
-static void level_update_objects_boss_level5() {
+static void level_update_boss_tree() {
+	level_clear_boss_objects((2 - g_vars.boss_level5.state) << 1);
 	struct object_t *obj_player = &g_vars.objects_tbl[1];
 	for (int i = 0; i < 5; ++i) {
 		struct boss_level5_proj_t *prj = &g_vars.boss_level5.proj_tbl[i];
@@ -1413,9 +1457,9 @@ static void level_update_objects_boss_level5() {
 	g_vars.objects_tbl[104].spr_num = 0xFFFF;
 	if (g_vars.boss_level5.state < 2) {
 		static const uint16_t pos2_data[] = {
-			0x3D5, 0x7C1, 0x1A3, 0x3FA, 0x7B6, 0x1A4, 0x3E8, 0x7A8, 0x1A5,
-			0x3FF, 0x788, 0x1A6, 0x3D9, 0x79B, 0x1A7, 0x3FF, 0x7A8, 0x1A8,
-			0x405, 0x7A9, 0x1B0, 0, 0, 0xFFFF
+			0x3D5, 0x7C1, 0x1AA, 0x3FA, 0x7B6, 0x1AB, 0x3E8, 0x7A8, 0x1AC,
+			0x3FF, 0x788, 0x1AD, 0x3D9, 0x79B, 0x1AE, 0x3FF, 0x7A8, 0x1AF,
+			0x405, 0x7A9, 0x1B7, 0, 0, 0xFFFF
 		};
 		const uint16_t *p = &pos2_data[g_vars.boss_level5.state * 6];
 		g_vars.objects_tbl[105].x_pos = p[0];
@@ -1426,9 +1470,9 @@ static void level_update_objects_boss_level5() {
 		g_vars.objects_tbl[104].spr_num = p[5];
 	}
 	static const uint16_t pos1_data[] = {
-		0x3A9, 0x7D4, 0x19D, 0x3D1, 0x7B9, 0x19E, 0x3A2, 0x7A6, 0x19F,
-		0x3B4, 0x79F, 0x1A0, 0x396, 0x78A, 0x1A1, 0x3B6, 0x79C, 0x1A2,
-		0x3E0, 0x795, 0x1AF, 0, 0, 0xFFFF
+		0x3A9, 0x7D4, 0x1A4, 0x3D1, 0x7B9, 0x1A5, 0x3A2, 0x7A6, 0x1A6,
+		0x3B4, 0x79F, 0x1A7, 0x396, 0x78A, 0x1A8, 0x3B6, 0x79C, 0x1A9,
+		0x3E0, 0x795, 0x1B6, 0, 0, 0xFFFF
 	};
 	const uint16_t *p = &pos1_data[g_vars.boss_level5.unk5 * 6];
 	g_vars.objects_tbl[107].x_pos = p[0];
@@ -1438,7 +1482,7 @@ static void level_update_objects_boss_level5() {
 	g_vars.objects_tbl[106].y_pos = p[4];
 	g_vars.objects_tbl[106].spr_num = p[5];
 	static const uint16_t pos3_data[] = {
-		0x3E3, 0x773, 0x1A9, 0x3E4, 0x771, 0x1AA, 0x3E4, 0x773, 0x1AB
+		0x3E3, 0x773, 0x1B0, 0x3E4, 0x771, 0x1B1, 0x3E4, 0x773, 0x1B2
 	};
 	const uint16_t *q = &pos3_data[g_vars.boss_level5.unk4 * 3];
 	g_vars.objects_tbl[103].x_pos = q[0];
@@ -1560,6 +1604,132 @@ static void level_update_objects_boss_level5() {
 	}
 }
 
+static void level_update_boss_minotaur_update_tiles(int count) {
+}
+
+static void level_update_boss_minotaur_helper() {
+	g_vars.current_bonus.x_pos = 185;
+	g_vars.current_bonus.y_pos = 30;
+	g_vars.current_bonus.spr_num = 0x2137;
+	int x_vel = 32;
+	int y_vel = -160;
+	for (int i = 0; i < 4; ++i) {
+		level_add_object23_bonus(x_vel, y_vel, 1);
+		x_vel = -x_vel;
+		if (x_vel >= 0) {
+			x_vel -= 16;
+			y_vel -= 16;
+		}
+	}
+}
+
+static void level_update_boss_minotaur_add_spr_0x1CA() {
+	for (int i = 0; i < 32; ++i) {
+		struct object_t *obj = &g_vars.objects_tbl[23 + i];
+		if (obj->spr_num == 0xFFFF) {
+			continue;
+		}
+		obj->spr_num = 0x1CA;
+		obj->x_pos = 200;
+		obj->y_pos = 88;
+		obj->data.t.counter = 132;
+		obj->data.t.ref = 0;
+		obj->x_velocity = -((random_get_number() & 15) << 3);
+		obj->data.t.unkE = 0;
+		break;
+	}
+}
+
+static void level_update_boss_minotaur_add_spr_0x1CB() {
+	for (int i = 0; i < 32; ++i) {
+		struct object_t *obj = &g_vars.objects_tbl[23 + i];
+		if (obj->spr_num == 0xFFFF) {
+			continue;
+		}
+		obj->spr_num = 0x1CB;
+		obj->x_pos = (random_get_number() & 0x7F) - 16;
+		obj->y_pos = 0;
+		obj->data.t.counter = 66;
+		obj->data.t.ref = 0;
+		obj->x_velocity = 0;
+		obj->data.t.unkE = 0;
+		break;
+	}
+}
+
+static void level_update_boss_minotaur() {
+	static const uint16_t data[] = {
+		0xA70F, 5, 0xA74E, 1, 0xA70F, 3, 0xA74E, 2, 0xA70F, 2, 0xA734, 1, 0xFFFF, 0xFFE8
+	};
+	if (!g_vars.boss_level9.seq) {
+		g_vars.boss_level9.anim = data;
+		g_vars.boss_level9.unk1 = 24;
+		g_vars.boss_level9.unk2 = 0;
+		g_vars.boss_level9.unk3 = 3;
+	}
+	level_clear_boss_objects(g_vars.boss_level9.unk1 >> 2);
+	if (g_vars.boss_level9.unk1 == 0) {
+		level_update_boss_minotaur_update_tiles(2);
+		return;
+	}
+	if (g_vars.boss_level9.unk2 == 0) {
+		const uint16_t *p = g_vars.boss_level9.anim;
+		if (p[0] == 0xFFFF) {
+			p += (int16_t)p[1] / 2;
+			assert(p == data);
+		}
+		assert(p[0] >= 0xA70F);
+		g_vars.boss_level9.seq = &boss_minotaur_seq_data[p[0] - 0xA70F];
+		g_vars.boss_level9.unk2 = p[1];
+		g_vars.boss_level9.anim = p + 2;
+	}
+	for (int i = 0; i < 4; ++i) {
+		struct object_t *obj = &g_vars.objects_tbl[2 + i];
+		if (obj->spr_num == 0xFFFF) {
+			continue;
+		}
+		if ((obj->x_pos >= 235) || obj->y_pos >= 80) {
+			continue;
+		}
+		g_vars.boss_level9.seq = &boss_minotaur_seq_data[0x19];
+		if (g_vars.boss_level9.unk1 > 0) {
+			--g_vars.boss_level9.unk1;
+		}
+		if (g_vars.boss_level9.unk1 == 0) {
+			level_update_boss_minotaur_helper();
+		}
+		++g_vars.boss_level9.unk3;
+		g_vars.boss_level9.unk3 &= 3;
+		if (g_vars.boss_level9.unk3 == 0) {
+			g_vars.boss_level9.seq = &boss_minotaur_seq_data[0x25];
+		}
+		break;
+	}
+	const uint8_t *p = g_vars.boss_level9.seq;
+	while (1) {
+		if (*p == 0xFF) {
+			level_update_boss_minotaur_add_spr_0x1CA();
+			++p;
+		} else if (*p == 0xFE) {
+			level_update_boss_minotaur_add_spr_0x1CB();
+			++p;
+		} else if (*p == 0xFD) {
+			play_sound(2);
+			++p;
+		} else if ((*p & 0x80) == 0) {
+			++g_vars.boss_level9.seq;
+			level_update_boss_minotaur_update_tiles(*p);
+			break;
+		} else {
+			if (g_vars.boss_level9.unk2 > 0) {
+				--g_vars.boss_level9.unk2;
+			}
+			p += (int8_t)*p;
+			g_vars.boss_level9.seq = p;
+		}
+	}
+}
+
 static int level_get_tile_monster_offset(uint8_t tile_num, struct object_t *obj) {
 	const uint8_t attr = g_res.level.tile_attributes1[tile_num];
 	if ((attr & 0x30) == 0) {
@@ -1610,7 +1780,8 @@ static void level_update_monster_pos(struct object_t *obj, struct level_monster_
 		al = g_res.level.tile_attributes1[dl];
 		if (al == 0) {
 			obj->y_pos += 16;
-			al = g_res.level.tile_attributes1[dh];
+			dl = dh;
+			al = g_res.level.tile_attributes1[dl];
 			if (al == 0) {
 				if (obj->data.m.y_velocity < 256) {
 					obj->data.m.y_velocity += 16;
@@ -1627,6 +1798,8 @@ static void level_update_monster_pos(struct object_t *obj, struct level_monster_
 				y_vel = 0;
 			}
 			obj->data.m.y_velocity = y_vel;
+		} else {
+			obj->data.m.y_velocity = 0;
 		}
 	}
 }
@@ -1636,10 +1809,13 @@ extern bool monster_func2(int type, struct level_monster_t *m); /* init */
 
 static void level_update_objects_monsters() {
 	if (g_res.level.boss_flag != 0xFF) {
-		level_update_boss();
+		level_update_boss_gorilla();
 	}
 	if (g_vars.level_num == 5 && (g_res.level.scrolling_mask & ~1) == 0) {
-		level_update_objects_boss_level5();
+		level_update_boss_tree();
+	}
+	if (g_vars.level_num == 9) {
+		level_update_boss_minotaur();
 	}
 	for (int i = 0; i < MONSTERS_COUNT; ++i) {
 		struct object_t *obj = &g_vars.objects_tbl[11 + i];
diff --git a/p2/monsters.c b/p2/monsters.c
index 48def2d..538636d 100644
--- a/p2/monsters.c
+++ b/p2/monsters.c
@@ -723,6 +723,7 @@ static bool monster_func2_type5_6_7_8(struct level_monster_t *m) {
 }
 
 static bool monster_func2_type9(struct level_monster_t *m) {
+	m->type9.x_step = 0;
 	uint8_t flags = m->flags;
 	if (!monster_func2_type1(m)) {
 		return false;
diff --git a/p2/resource.c b/p2/resource.c
index 8ea4eea..4275fb1 100644
--- a/p2/resource.c
+++ b/p2/resource.c
@@ -126,6 +126,7 @@ void load_leveldat(const uint8_t *p, struct level_t *level) {
 		m->len = len;
 		m->type = p[1];
 		m->spr_num = spr_num;
+		m->flags = p[4];
 		m->energy = p[5];
 		m->respawn_ticks = p[6];
 		m->current_tick = p[7];
diff --git a/p2/screen.c b/p2/screen.c
index 893fdaa..c0a83f6 100644
--- a/p2/screen.c
+++ b/p2/screen.c
@@ -179,18 +179,6 @@ void video_load_front_tiles() {
 	}
 }
 
-void fade_in_palette() {
-	if (!g_sys.input.quit) {
-		g_sys.fade_in_palette();
-	}
-}
-
-void fade_out_palette() {
-	if (!g_sys.input.quit) {
-		g_sys.fade_out_palette();
-	}
-}
-
 void video_wait_vbl() {
 }
 
diff --git a/p2/staticres.c b/p2/staticres.c
index ba16379..e329c4d 100644
--- a/p2/staticres.c
+++ b/p2/staticres.c
@@ -449,3 +449,52 @@ const uint8_t monster_anim_tbl[] = {
 	0x00,0x7D,0x2E,0x00,0xFE,0xFF,0x3E,0x00,0x3E,0x00,0x3F,0x00,0x3F,0x00,0xF8,0xFF,
 	0x00,0x7D,0x3E,0x00,0xFE,0xFF,0x57,0x00,0x57,0x00,0x58,0x00
 };
+const uint8_t boss_minotaur_seq_data[] = {
+	0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x04,0x04,0x04,0x04,
+	0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0xE8,0x03,0x03,0x03,0xFD,0x03,0x03,0x03,
+	0x03,0x03,0x03,0x03,0xF1,0x00,0x00,0xFF,0x03,0x03,0xFE,0x03,0x00,0x00,0x00,0x03,
+	0x03,0x03,0x03,0x00,0xFE,0x00,0x03,0x03,0x03,0x00,0x00,0x03,0x03,0x03,0xE7,0x04,
+	0x04,0x04,0x04,0x04,0x04,0x04,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x00,0x00,0x00,
+	0xFF,0x00,0x00,0x00,0x00,0xEA,0xA2,0x01,0x9A,0x01,0x95,0x01,0x9F,0x01,0xA0,0x01,
+	0x0F,0xA6,0x03,0xA6,0xFD,0xA5,0xF7,0xA5,0x09,0xA6,0xA2,0x01,0x9A,0x01,0x96,0x01,
+	0x9D,0x01,0xA0,0x01,0x0F,0xA6,0x03,0xA6,0xFD,0xA5,0xF7,0xA5,0x09,0xA6,0xA2,0x01,
+	0x9A,0x01,0x96,0x01,0x9C,0x01,0xA0,0x01,0x0F,0xA6,0x03,0xA6,0xFD,0xA5,0xF7,0xA5,
+	0x09,0xA6,0xA1,0x01,0x99,0x01,0x96,0x01,0x9D,0x01,0x9D,0x81,0x0F,0xA6,0x03,0xA6,
+	0xFD,0xA5,0xF7,0xA5,0x09,0xA6,0xA2,0x01,0x9B,0x01,0x96,0x01,0x9D,0x01,0x9D,0x81,
+	0x0F,0xA6,0x03,0xA6,0xFD,0xA5,0xF7,0xA5,0x09,0xA6,0xA2,0x01,0x99,0x01,0x98,0x81,
+	0x9E,0x01,0x9E,0x81,0x0F,0xA6,0x03,0xA6,0xFD,0xA5,0xF7,0xA5,0x09,0xA6,0xA2,0x01,
+	0x9A,0x01,0x98,0x01,0x9C,0x01,0x9D,0x81,0x0F,0xA6,0x03,0xA6,0xFD,0xA5,0xF7,0xA5,
+	0x09,0xA6,0xA2,0x01,0x9A,0x01,0x95,0x01,0x9E,0x01,0x9E,0x81,0x0F,0xA6,0x03,0xA6,
+	0xFD,0xA5,0xF7,0xA5,0x09,0xA6,0xA2,0x01,0x99,0x01,0x95,0x01,0x9E,0x01,0x9D,0x81,
+	0x0F,0xA6,0x03,0xA6,0xFD,0xA5,0xF7,0xA5,0x09,0xA6,0xA3,0x01,0x99,0x01,0x95,0x01,
+	0x9E,0x01,0x9D,0x81,0x0F,0xA6,0x03,0xA6,0xFD,0xA5,0xF7,0xA5,0x09,0xA6,0xA2,0x01,
+	0x99,0x01,0x95,0x01,0x9E,0x01,0xA0,0x01,0x0F,0xA6,0x03,0xA6,0xFD,0xA5,0xF7,0xA5,
+	0x09,0xA6,0xA3,0x01,0x99,0x01,0x95,0x01,0x9D,0x01,0xA0,0x01,0x0F,0xA6,0x03,0xA6,
+	0xFD,0xA5,0xF7,0xA5,0x09,0xA6,0xA3,0x01,0x9B,0x01,0x95,0x01,0x9E,0x01,0x9D,0x81,
+	0x0F,0xA6,0x03,0xA6,0xFD,0xA5,0xF7,0xA5,0x09,0xA6,0xA3,0x01,0x9B,0x01,0x95,0x01,
+	0x9D,0x01,0x9D,0x81,0x0F,0xA6,0x03,0xA6,0xFD,0xA5,0xF7,0xA5,0x09,0xA6,0xA3,0x01,
+	0x9B,0x01,0x95,0x01,0x9D,0x01,0xA0,0x01,0x0F,0xA6,0x03,0xA6,0xFD,0xA5,0xF7,0xA5,
+	0x09,0xA6,0xA2,0x01,0x9A,0x01,0x98,0x01,0x9C,0x01,0x9D,0x81,0x0F,0xA6,0x03,0xA6,
+	0xFD,0xA5,0xF7,0xA5,0x09,0xA6,0xA2,0x01,0x9A,0x01,0x97,0x01,0x9E,0x01,0x9D,0x81,
+	0x0F,0xA6,0x03,0xA6,0xFD,0xA5,0xF7,0xA5,0x09,0xA6,0xA2,0x01,0x9A,0x01,0x97,0x01,
+	0x9D,0x01,0x9E,0x81,0x0F,0xA6,0x03,0xA6,0xFD,0xA5,0xF7,0xA5,0x09,0xA6,0xA3,0x01,
+	0x9A,0x01,0x95,0x01,0xA0,0x81,0x9D,0x81,0x0F,0xA6,0x03,0xA6,0xFD,0xA5,0x09,0xA6,
+	0xF7,0xA5,0xA2,0x01,0x99,0x01,0xF8,0xE9,0xA2,0x01,0x9A,0x01,0xFB,0xEB,0xA2,0x01,
+	0x9B,0x01,0xF6,0xE8,0xA1,0x01,0x99,0x01,0xF6,0xDB,0xA1,0x01,0x9A,0x01,0x01,0xDD,
+	0xA1,0x01,0x9B,0x01,0xF3,0xDA,0xA3,0x01,0x99,0x01,0xED,0xF0,0xA3,0x01,0x9A,0x01,
+	0xF0,0xF2,0xA3,0x01,0x9B,0x01,0xEB,0xF0,0x99,0x01,0x95,0x01,0xFF,0xE8,0x9A,0x01,
+	0x95,0x01,0xFB,0xEA,0x9B,0x01,0x95,0x01,0xF8,0xF7,0x99,0x01,0x96,0x01,0xFF,0xE8,
+	0x9A,0x01,0x96,0x01,0xFB,0xEA,0x9B,0x01,0x96,0x01,0xF8,0xF7,0x99,0x01,0x97,0x01,
+	0xFF,0xE8,0x9A,0x01,0x97,0x01,0xFB,0xEA,0x9B,0x01,0x97,0x01,0xF8,0xF7,0x99,0x01,
+	0x98,0x01,0xFF,0xE8,0x9A,0x01,0x98,0x01,0xFB,0xEA,0x9B,0x01,0x98,0x01,0xF8,0xF7,
+	0x99,0x01,0x98,0x81,0xFF,0xE8,0x9A,0x01,0x98,0x81,0xFB,0xEA,0x9B,0x01,0x98,0x81,
+	0xF8,0xF7,0x99,0x01,0x9C,0x01,0xE2,0xEC,0x99,0x01,0x9D,0x01,0xDD,0xF1,0x99,0x01,
+	0x9E,0x01,0xD6,0xE9,0x99,0x01,0x9F,0x01,0xE8,0x0C,0x9A,0x01,0x9C,0x01,0xE2,0xEC,
+	0x9A,0x01,0x9D,0x01,0xE0,0xF1,0x9A,0x01,0x9E,0x01,0xD4,0xEA,0x9A,0x01,0x9F,0x01,
+	0xEA,0x0F,0x9B,0x01,0x9C,0x01,0xDE,0xF8,0x9B,0x01,0x9D,0x01,0xDC,0x02,0x9B,0x01,
+	0x9E,0x01,0xCE,0xFB,0x9B,0x01,0x9F,0x01,0xE6,0x1D,0x99,0x01,0x9D,0x81,0x21,0xEB,
+	0x99,0x01,0x9E,0x81,0x2C,0xE4,0x99,0x01,0xA0,0x01,0x12,0x10,0x9A,0x01,0x9D,0x81,
+	0x18,0xEE,0x9A,0x01,0x9E,0x81,0x29,0xEA,0x9A,0x01,0xA0,0x01,0x09,0x13,0x9B,0x01,
+	0x9D,0x81,0x1A,0xF9,0x9B,0x01,0x9E,0x81,0x29,0xF3,0x9B,0x01,0xA0,0x01,0x0C,0x1E,
+	0x9A,0x01,0xA0,0x81,0xEC,0x16
+};
diff --git a/sys_sdl2.c b/sys_sdl2.c
index 68c9d1f..98dd83b 100644
--- a/sys_sdl2.c
+++ b/sys_sdl2.c
@@ -215,11 +215,15 @@ static void fade_palette_helper(int in) {
 }
 
 static void sdl2_fade_in_palette() {
-	fade_palette_helper(1);
+	if (!g_sys.input.quit) {
+		fade_palette_helper(1);
+	}
 }
 
 static void sdl2_fade_out_palette() {
-	fade_palette_helper(0);
+	if (!g_sys.input.quit) {
+		fade_palette_helper(0);
+	}
 }
 
 static void sdl2_transition_screen(enum sys_transition_e type, bool open) {