diff --git a/core/src/main/assets/tiles0.png b/core/src/main/assets/tiles0.png
deleted file mode 100644
index fdc2848ee..000000000
Binary files a/core/src/main/assets/tiles0.png and /dev/null differ
diff --git a/core/src/main/assets/tiles1.png b/core/src/main/assets/tiles1.png
deleted file mode 100644
index bed35b437..000000000
Binary files a/core/src/main/assets/tiles1.png and /dev/null differ
diff --git a/core/src/main/assets/tiles2.png b/core/src/main/assets/tiles2.png
deleted file mode 100644
index 5e96de266..000000000
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diff --git a/core/src/main/assets/tiles3.png b/core/src/main/assets/tiles3.png
deleted file mode 100644
index 9e47c588a..000000000
Binary files a/core/src/main/assets/tiles3.png and /dev/null differ
diff --git a/core/src/main/assets/tiles4.png b/core/src/main/assets/tiles4.png
deleted file mode 100644
index bf801f036..000000000
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diff --git a/core/src/main/assets/tiles_caves.png b/core/src/main/assets/tiles_caves.png
new file mode 100644
index 000000000..34bee269c
Binary files /dev/null and b/core/src/main/assets/tiles_caves.png differ
diff --git a/core/src/main/assets/tiles_city.png b/core/src/main/assets/tiles_city.png
new file mode 100644
index 000000000..3b9adf959
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diff --git a/core/src/main/assets/tiles_halls.png b/core/src/main/assets/tiles_halls.png
new file mode 100644
index 000000000..b0a44e122
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diff --git a/core/src/main/assets/tiles_prison.png b/core/src/main/assets/tiles_prison.png
new file mode 100644
index 000000000..bcb0e77bd
Binary files /dev/null and b/core/src/main/assets/tiles_prison.png differ
diff --git a/core/src/main/assets/tiles_sewer.png b/core/src/main/assets/tiles_sewer.png
deleted file mode 100644
index d2d995146..000000000
Binary files a/core/src/main/assets/tiles_sewer.png and /dev/null differ
diff --git a/core/src/main/assets/tiles_sewers.png b/core/src/main/assets/tiles_sewers.png
new file mode 100644
index 000000000..e515132e2
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diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Assets.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Assets.java
index 0c9b741f3..ac6118926 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Assets.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Assets.java
@@ -100,11 +100,11 @@ public class Assets {
 	public static final String ITEMS	        = "items.png";
 	public static final String TERRAIN_FEATURES	= "terrain_features.png";
 	
-	public static final String TILES_SEWERS	= "tiles_sewer.png";
-	public static final String TILES_PRISON	= "tiles1.png";
-	public static final String TILES_CAVES	= "tiles2.png";
-	public static final String TILES_CITY	= "tiles3.png";
-	public static final String TILES_HALLS	= "tiles4.png";
+	public static final String TILES_SEWERS	= "tiles_sewers.png";
+	public static final String TILES_PRISON	= "tiles_prison.png";
+	public static final String TILES_CAVES	= "tiles_caves.png";
+	public static final String TILES_CITY	= "tiles_city.png";
+	public static final String TILES_HALLS	= "tiles_halls.png";
 	
 	public static final String WATER_SEWERS	= "water0.png";
 	public static final String WATER_PRISON	= "water1.png";