diff --git a/.gitignore b/.gitignore
index 3e6e39a..a15c54b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,4 +4,6 @@ starship_futuretime_linux
 starship_futuretime_mac
 starship_futuretime_windows.exe
 *.zip
-levels/*.csv
\ No newline at end of file
+levels/*.csv
+img/*.png
+tilesets/*.png
\ No newline at end of file
diff --git a/Makefile b/Makefile
index 8523e15..8534bd1 100644
--- a/Makefile
+++ b/Makefile
@@ -6,6 +6,7 @@ WIN_LIB=-Llib -Iinclude -Wall -lraylib -lopengl32 -lgdi32 -lwinmm -lcomdlg32 -lo
 WIN_CFLAGS=-Wall -lraylib -lm -lpthread
 
 TILED=~/app/tiled
+ASEPRITE=aseprite
 
 GAME=starship_futuretime
 
@@ -15,9 +16,9 @@ ITCH_CHANNEL_LINUX=linux-x64
 ITCH_CHANNEL_WINDOWS=windows-x64
 ITCH_CHANNEL_MAC=mac
 
-.PHONY: clean run butler_upload build_levels
+.PHONY: clean run butler_upload build_levels build_images
 
-run: $(GAME)_linux build_levels
+run: $(GAME)_linux build_levels build_images
 	SKIP_INTRO=1 ./$(GAME)_linux
 
 debug: $(GAME)_linux_dbg
@@ -25,11 +26,21 @@ debug: $(GAME)_linux_dbg
 
 in_level_files  := $(wildcard levels/*.tmx)
 out_level_files := $(foreach a, $(in_level_files), $(basename $(a)).csv)
-build_levels: $(in_level_files) $(out_level_files)
+build_levels: build_images $(in_level_files) $(out_level_files)
 
 levels/%.csv: levels/%.tmx tilesets/*.tsx
 	$(TILED) --export-map $< $@
 
+in_images  := $(wildcard img/*.aseprite) $(wildcard tilesets/*.aseprite)
+out_images := $(foreach a, $(in_images), $(basename $(a)).png)
+build_images: $(in_images) $(out_images)
+
+img/%.png: img/%.aseprite
+	$(ASEPRITE) -b $< --save-as $@
+
+%.png: %.aseprite
+	$(ASEPRITE) -b $< --save-as $@
+
 $(GAME)_linux: *.c
 	$(CC) *.c $(CFLAGS) -o $(GAME)_linux
 
@@ -50,6 +61,8 @@ clean:
 	rm -f ./$(GAME)_mac
 	rm -f ./$(GAME)_mac.zip
 	rm -f ./levels/*.csv
+	rm -f ./img/*.png
+	rm -f ./tilesets/*.png
 
 $(GAME)_linux.zip: $(GAME)_linux
 	rm -f ./$(GAME)_linux.zip
diff --git a/img/enemy.png b/img/enemy.png
deleted file mode 100644
index f546e2b..0000000
Binary files a/img/enemy.png and /dev/null differ
diff --git a/img/player.png b/img/player.png
deleted file mode 100644
index 29e5f1f..0000000
Binary files a/img/player.png and /dev/null differ
diff --git a/tilesets/test_tileset.png b/tilesets/test_tileset.png
deleted file mode 100644
index 205989d..0000000
Binary files a/tilesets/test_tileset.png and /dev/null differ