diff --git a/src/alien.c b/src/alien.c
index 7e9d65d..b2c18ea 100644
--- a/src/alien.c
+++ b/src/alien.c
@@ -1474,8 +1474,16 @@ int alien_place(Object *alien)
 
 	if (game.area == MISN_MARS)
 	{
-		alien->x = screen->w + RANDRANGE(0, 400);
-		alien->y = RANDRANGE(-screen->h / 3, (4 * screen->h) / 3);
+		if (game.difficulty == DIFFICULTY_SUPEREASY)
+		{
+			alien->x = screen->w + RANDRANGE(0, 1200);
+			alien->y = RANDRANGE(-screen->h, screen->h);
+		}
+		else
+		{
+			alien->x = screen->w + RANDRANGE(0, 400);
+			alien->y = RANDRANGE(-screen->h / 3, (4 * screen->h) / 3);
+		}
 	}
 
 	for (int i = 0 ; i < ALIEN_MAX ; i++)
diff --git a/src/game.c b/src/game.c
index cd101d0..2ce321c 100644
--- a/src/game.c
+++ b/src/game.c
@@ -2448,6 +2448,8 @@ void game_getDifficultyText(char *dest, int difficulty)
 
 int game_mainLoop()
 {
+	float chance;
+
 	engine_resetLists();
 
 	mission_set(game.area);
@@ -2774,7 +2776,12 @@ int game_mainLoop()
 
 		if ((game.area == MISN_MARS) && (engine.addAliens > -1))
 		{
-			if ((rand() % 5) == 0)
+			if (game.difficulty == DIFFICULTY_SUPEREASY)
+				chance = 1. / 20.;
+			else
+				chance = 1. / 5.;
+
+			if (CHANCE(chance))
 				// Note: The originally specified range for x was [800, 100],
 				// which with the original rrand function caused the result
 				// returned to be `800 + rand() % -699`. Clearly a mistake,
diff --git a/src/mission.c b/src/mission.c
index aa9eaf9..e5b131e 100644
--- a/src/mission.c
+++ b/src/mission.c
@@ -1186,17 +1186,23 @@ void mission_showStartScreen()
 
 			if (mission.timeLimit1[0] > 0)
 			{
-				if (game.area != MISN_MARS)
+				if (game.area == MISN_MARS)
 				{
-					/// "%d" must be retained.  It is replaced with the mission time
-					/// limit in minutes.
-					snprintf(temp, STRMAX_SHORT, _("TIME LIMIT: %d minutes"), mission.timeLimit1[0]);
+					snprintf(temp, STRMAX_SHORT, ngettext(
+						/// "%d" must be retained.  It is replaced with the mission required
+						/// survival time in minutes.
+						"SURVIVAL FOR %d minute",
+						"SURVIVAL FOR %d minutes",
+						mission.timeLimit1[0]), mission.timeLimit1[0]);
 				}
 				else
 				{
-					/// "%d" must be retained.  It is replaced with the mission required
-					/// survival time in minutes.
-					snprintf(temp, STRMAX_SHORT, _("SURVIVAL FOR %d minutes"), mission.timeLimit1[0]);
+					snprintf(temp, STRMAX_SHORT, ngettext(
+						/// "%d" must be retained.  It is replaced with the mission time
+						/// limit in minutes.
+						"TIME LIMIT: %d minute",
+						"TIME LIMIT: %d minutes",
+						mission.timeLimit1[0]), mission.timeLimit1[0]);
 				}
 				screen_renderUnicode(temp, -1, screen->h / 2 + 195, FONT_RED);
 			}