diff --git a/.vimrc b/.vimrc
index bab9024..f769d1a 100644
--- a/.vimrc
+++ b/.vimrc
@@ -5,5 +5,5 @@ nnoremap <F4> :ter ++close env LD_LIBRARY_PATH=$LD_LIBRARY_PATH:./ ./_build/debu
 
 packadd termdebug
 let g:termdebug_wide = 1
-let g:syntastic_c_include_dirs = [ '_build/debug', '/usr/include/SDL2', 'steamworks_c_wrapper/src' ]
+let g:syntastic_c_include_dirs = [ '_build/debug', '/usr/include/SDL2', 'steamworks_c_wrapper/src', 'physfs-3.0/src' ]
 let g:syntastic_cpp_include_dirs = [ 'steamworks_c_wrapper/sdk/public/steam' ]
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6bab448..bbe3895 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -184,6 +184,7 @@ add_executable(breakhack
 	src/stats
 	src/actiontext
 	src/random
+	src/time
 	src/linkedlist
 	src/hashtable
 	src/gui
diff --git a/src/actiontext.c b/src/actiontext.c
index d62b96d..ed55dd5 100644
--- a/src/actiontext.c
+++ b/src/actiontext.c
@@ -27,7 +27,7 @@ actiontext_create(Sprite *sprite)
 	ActionText *t = ec_malloc(sizeof(ActionText));
 	t->pos = (Position) { 0, 0 };
 	t->sprite = sprite;
-	t->timer = timer_create();
+	t->timer = _timer_create();
 	t->dead = false;
 	t->velocity = (Vector2d) { 0, -100 };
 	t->color = C_WHITE;
diff --git a/src/animation.c b/src/animation.c
index cd63542..15a1f54 100644
--- a/src/animation.c
+++ b/src/animation.c
@@ -27,7 +27,7 @@ animation_create(unsigned int clipCount)
 {
 	Animation *animation = ec_malloc(sizeof(Animation)
 					 + clipCount * sizeof(AnimationClip));
-	animation->clipTimer = timer_create();
+	animation->clipTimer = _timer_create();
 	animation->clipCount = clipCount;
 	animation->currentClip = 0;
 	animation->loop = true;
diff --git a/src/camera.c b/src/camera.c
index 8c76f55..877e80d 100644
--- a/src/camera.c
+++ b/src/camera.c
@@ -30,7 +30,7 @@ Camera *camera_create(SDL_Renderer *renderer)
 {
 	gCamera = ec_malloc(sizeof(Camera));
 	gCamera->renderer = renderer;
-	gCamera->shakeTimer = timer_create();
+	gCamera->shakeTimer = _timer_create();
 	gCamera->velocity = VECTOR2D_NODIR;
 	gCamera->pos = (Position) { 0, 0 };
 	gCamera->basePos = (Position) { 0, 0 };
diff --git a/src/gui.c b/src/gui.c
index b70ec5e..26842f9 100644
--- a/src/gui.c
+++ b/src/gui.c
@@ -195,7 +195,7 @@ gui_create(Camera *cam)
 
 	gui->event_message = texture_create();
 	texture_load_font(gui->event_message, "GUI/SDS_8x8.ttf", EVENT_MESSAGE_FONT_SIZE, 2);
-	gui->event_message_timer = timer_create();
+	gui->event_message_timer = _timer_create();
 
 	gui->labels[CURRENT_XP_LABEL] = create_label_sprite((Position) { 16, POS_Y_XPBAR + 18 });
 	gui->labels[LEVEL_LABEL] = create_label_sprite((Position) { 16, POS_Y_XPBAR + 18 + 14  });
diff --git a/src/main.c b/src/main.c
index c85584b..16df0bb 100644
--- a/src/main.c
+++ b/src/main.c
@@ -54,6 +54,7 @@
 #include "io_util.h"
 #include "tooltip.h"
 #include "gamecontroller.h"
+#include "time.h"
 
 #ifdef STEAM_BUILD
 #include "steam/steamworks_api_wrapper.h"
@@ -165,6 +166,7 @@ static Turn		currentTurn		= PLAYER;
 static class_t		playerClass		= WARRIOR;
 static bool		quickGame		= false;
 static bool		arcadeGame		= false;
+static bool		weeklyGame		= false;
 static GameState	gGameState;
 static SDL_Rect		mainViewport;
 static SDL_Rect		gameViewport;
@@ -316,7 +318,7 @@ initGame(void)
 	gPointer = pointer_create(gRenderer);
 #endif // DEBUG
 	particle_engine_init();
-	menuTimer = timer_create();
+	menuTimer = _timer_create();
 	actiontextbuilder_init(gRenderer);
 
 #ifdef DEBUG
@@ -410,6 +412,7 @@ static void
 startRegularGame(void *unused)
 {
 	quickGame = false;
+	weeklyGame = false;
 	goToCharacterMenu(unused);
 }
 
@@ -417,9 +420,21 @@ static void
 startQuickGame(void *unused)
 {
 	quickGame = true;
+	weeklyGame = false;
 	goToCharacterMenu(unused);
 }
 
+#ifdef STEAM_BUILD
+static void
+startWeeklyGame(void *unused)
+{
+	quickGame = true;
+	weeklyGame = true;
+	set_random_seed((unsigned int) time_get_weekly_seed());
+	goToCharacterMenu(unused);
+}
+#endif
+
 static void
 startArcadeGame(void *unused)
 {
@@ -452,6 +467,13 @@ goToGameSelectMenu(void *unused)
 			"Standard 20 level game, recommended for new players",
 			startRegularGame
 		},
+#ifdef STEAM_BUILD
+		{
+			"WEEKLY CHALLENGE",
+			"Quck game with weekly leaderboards at breakhack.net",
+			startWeeklyGame
+		},
+#endif
 		{
 			"QUICK GAME",
 			"Shorter 12 level game, with more action earlier in the game",
@@ -464,7 +486,12 @@ goToGameSelectMenu(void *unused)
 		}
 	};
 
-	menu_create_text_menu(&gameSelectMenu, &menuItems[0], 3, gRenderer);
+#ifdef STEAM_BUILD
+	int count = 4;
+#else
+	int count = 3;
+#endif
+	menu_create_text_menu(&gameSelectMenu, &menuItems[0], count, gRenderer);
 	gGameState = GAME_SELECT;
 }
 
@@ -540,6 +567,7 @@ initMainMenu(void)
 	creditsScreen = screen_create_credits(gRenderer);
 	scoreScreen = screen_create_hiscore(gRenderer);
 	quickGame = false;
+	weeklyGame = false;
 	arcadeGame = false;
 }
 
@@ -614,12 +642,14 @@ static bool
 init(void)
 {
 #ifdef STEAM_BUILD
+#ifndef DEBUG
 	if (!steam_restart_needed()) {
 		steam_init();
 	} else {
 		error("%s needs to be started through Steam", GAME_TITLE);
 		return false;
 	}
+#endif
 #endif // STEAM_BUILD
 
 	if (!initSDL()) {
@@ -1003,21 +1033,33 @@ run_game_render(void)
 static inline void
 register_scores(void)
 {
-		uint8_t details[4] = { (uint8_t) gPlayer->stats.lvl, (uint8_t) cLevel, (uint8_t) (gPlayer->class + 1), 0 };
-		steam_register_score((int) gPlayer->gold, (int32_t*) &details, 1);
-		steam_register_kills((int) gPlayer->stat_data.kills, (int32_t*) &details, 1);
+		uint8_t details[4] = {
+			(uint8_t) gPlayer->stats.lvl,
+			(uint8_t) cLevel, (uint8_t) (gPlayer->class + 1), 0
+		};
+		steam_register_score((int) gPlayer->gold, (int32_t*)
+				     &details, 1);
+		steam_register_kills((int) gPlayer->stat_data.kills,
+				     (int32_t*) &details, 1);
 		if (quickGame) {
-			steam_register_qp_score((int) gPlayer->gold, (int32_t*) &details, 1);
+			steam_register_qp_score((int) gPlayer->gold,
+						(int32_t*) &details, 1);
+		}
+		if (weeklyGame) {
+			//steam_register_weekly_score((int) gPlayer->gold, (int32_t*) &details, 1);
 		}
 		if (arcadeGame) {
-			steam_register_arcade_score((int)gPlayer->gold, (int32_t*) &details, 1);
+			steam_register_arcade_score((int)gPlayer->gold,
+						    (int32_t*) &details, 1);
 		}
 		if (gPlayer->class == ROGUE) {
 			steam_set_achievement(ROGUE_LIKE);
-			steam_register_rogue_score((int) gPlayer->gold, (int32_t*) &details, 1);
+			steam_register_rogue_score((int) gPlayer->gold,
+						   (int32_t*) &details, 1);
 		}
 		else if (gPlayer->class == WARRIOR) {
-			steam_register_warrior_score((int) gPlayer->gold, (int32_t*) &details, 1);
+			steam_register_warrior_score((int) gPlayer->gold,
+						     (int32_t*) &details, 1);
 		}
 }
 #endif
@@ -1046,6 +1088,8 @@ run_game(void)
 		gGameState = GAME_OVER;
 		createInGameGameOverMenu();
 		hiscore_register(gPlayer, cLevel);
+		if (weeklyGame)
+			set_random_seed(0);
 #ifdef STEAM_BUILD
 		register_scores();
 #endif // STEAM_BUILD
@@ -1061,6 +1105,8 @@ run_game(void)
 		gui_log("Your break is over!");
 		gui_event_message("Well done!");
 		end_game_details();
+		if (weeklyGame)
+			set_random_seed(0);
 #ifdef STEAM_BUILD
 		if (cLevel >= 20 && !arcadeGame)
 			steam_set_achievement(BACK_TO_WORK);
@@ -1140,13 +1186,13 @@ run(void)
 
 #ifdef DEBUG
 	Uint32 frame = 0;
-	Timer *fpsTime = timer_create();
-	Timer *updateTimer = timer_create();
+	Timer *fpsTime = _timer_create();
+	Timer *updateTimer = _timer_create();
 	timer_start(fpsTime);
 	timer_start(updateTimer);
 #endif // DEBUG
 
-	Timer *fpsTimer = timer_create();
+	Timer *fpsTimer = _timer_create();
 
 	while (!quit)
 	{
diff --git a/src/map.c b/src/map.c
index 54f519f..a89ece3 100644
--- a/src/map.c
+++ b/src/map.c
@@ -58,7 +58,7 @@ map_create(void)
 	map->artifacts = linkedlist_create();
 	map->objects = linkedlist_create();
 	map->currentRoom = (Position) { 0, 0 };
-	map->monsterMoveTimer = timer_create();
+	map->monsterMoveTimer = _timer_create();
 	map->level = 1;
 	
 	for (i=0; i < MAP_H_ROOM_COUNT; ++i) {
diff --git a/src/player.c b/src/player.c
index 96eb962..76567ac 100644
--- a/src/player.c
+++ b/src/player.c
@@ -513,7 +513,7 @@ player_create(class_t class, Camera *cam)
 	player->class			= class;
 	player->state			= ALIVE;
 	player->projectiles		= linkedlist_create();
-	player->animationTimer		= timer_create();
+	player->animationTimer		= _timer_create();
 	player->swordAnimation		= animation_create(5);
 	player->equipment.hasArtifacts	= false;
 
diff --git a/src/projectile.c b/src/projectile.c
index d54b295..7d3f4c8 100644
--- a/src/projectile.c
+++ b/src/projectile.c
@@ -62,7 +62,7 @@ projectile_create(void)
 	p->sprite = sprite_create();
 	p->velocity = VECTOR2D_NODIR;
 	p->alive = true;
-	p->lifetime = timer_create();
+	p->lifetime = _timer_create();
 	p->onRender = NULL;
 	timer_start(p->lifetime);
 	return p;
diff --git a/src/skillbar.c b/src/skillbar.c
index 6ebe29d..67f1a41 100644
--- a/src/skillbar.c
+++ b/src/skillbar.c
@@ -181,8 +181,8 @@ skillbar_create(Camera *cam)
 {
 	SkillBar *bar = ec_malloc(sizeof(SkillBar));
 	bar->sprites = linkedlist_create();
-	bar->activationTimer = timer_create();
-	bar->skillSparkleTimer = timer_create();
+	bar->activationTimer = _timer_create();
+	bar->skillSparkleTimer = _timer_create();
 	bar->lastActivation = 0;
 	bar->frame = create_frame_sprite(cam);
 	bar->artifactDisplayOffset = 5 * 32 + 8;
diff --git a/src/sprite.c b/src/sprite.c
index 34ed977..835a3a2 100644
--- a/src/sprite.c
+++ b/src/sprite.c
@@ -35,8 +35,8 @@ sprite_create_default(void)
 	s->angle = 0;
 	s->rotationPoint = (SDL_Point) { 0, 0 };
 	s->flip = SDL_FLIP_NONE;
-	s->renderTimer = timer_create();
-	s->animationTimer = timer_create();
+	s->renderTimer = _timer_create();
+	s->animationTimer = _timer_create();
 	s->texture_index = 0;
 	s->fixed = false;
 	s->animate = true;
diff --git a/src/steam/steamworks_api_wrapper.c b/src/steam/steamworks_api_wrapper.c
index e51e863..1c6971e 100644
--- a/src/steam/steamworks_api_wrapper.c
+++ b/src/steam/steamworks_api_wrapper.c
@@ -88,7 +88,7 @@ steam_init()
 	m_Initiated = m_AppID != 0;
 	if (m_Initiated)
 		c_SteamAPI_SetCallbacks(stats_received, stats_stored, leaderboard_received);
-	requestDataTimer = timer_create();
+	requestDataTimer = _timer_create();
 }
 
 void steam_shutdown(void)
diff --git a/src/time.c b/src/time.c
new file mode 100644
index 0000000..f17a7d4
--- /dev/null
+++ b/src/time.c
@@ -0,0 +1,29 @@
+#include "time.h"
+#include "util.h"
+
+#define SECONDS_PER_DAY 86400
+#define SECONDS_PER_HOUR 3600
+#define SECONDS_PER_MINUTE 60
+
+time_t
+time_get_weekly_seed(void)
+{
+	time_t now = time(NULL);
+
+	struct tm *tm;
+	tm = localtime(&now);
+
+	// Zero out the hour and minutes to 00:00:01
+	now -= tm->tm_hour * SECONDS_PER_HOUR;
+	now -= tm->tm_min * SECONDS_PER_MINUTE;
+	now -= tm->tm_sec;
+	now += 1;
+
+	// Reverse time back to last monday
+	unsigned int dayOfWeek = tm->tm_wday;
+	now -= (dayOfWeek == 0 ? 6 : dayOfWeek - 1) * SECONDS_PER_DAY;
+
+	info("Monday: %s", ctime(&now));
+
+	return now;
+}
diff --git a/src/time.h b/src/time.h
new file mode 100644
index 0000000..bc888b9
--- /dev/null
+++ b/src/time.h
@@ -0,0 +1,6 @@
+#pragma once
+
+#include <time.h>
+
+time_t
+time_get_weekly_seed(void);
diff --git a/src/timer.c b/src/timer.c
index c7af4b6..ea83d03 100644
--- a/src/timer.c
+++ b/src/timer.c
@@ -21,7 +21,7 @@
 #include "util.h"
 #include "timer.h"
 
-Timer* timer_create()
+Timer* _timer_create()
 {
 	Timer *t = ec_malloc(sizeof(Timer));
 	t->startTime = 0;
diff --git a/src/timer.h b/src/timer.h
index 86c45c1..9cb2788 100644
--- a/src/timer.h
+++ b/src/timer.h
@@ -25,7 +25,7 @@ typedef struct Timer {
 	unsigned int startTime;
 } Timer;
 
-Timer* timer_create(void);
+Timer* _timer_create(void);
 void timer_start(Timer*);
 void timer_stop(Timer*);
 bool timer_started(Timer*);