diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..e411638
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,6 @@
+all: data/sprites.json
+
+data/sprites.json: asset/
+	spriter asset/
+	mv sprites.json data/
+	mv sprites.png images/
diff --git a/asset/minecraft-cake01.png b/asset/minecraft-cake01.png
new file mode 100644
index 0000000..9099464
Binary files /dev/null and b/asset/minecraft-cake01.png differ
diff --git a/data/sprites.json b/data/sprites.json
index 73fae63..622fff6 100644
--- a/data/sprites.json
+++ b/data/sprites.json
@@ -1 +1 @@
-{"astronaut":{"sx":0,"sy":1,"cols":1,"tilew":24,"tileh":24,"frames":1},"neingeist":{"sx":0,"sy":26,"cols":1,"tilew":24,"tileh":24,"frames":1},"starbug":{"sx":0,"sy":51,"cols":1,"tilew":24,"tileh":24,"frames":1}}
\ No newline at end of file
+{"astronaut":{"sx":0,"sy":1,"cols":1,"tilew":24,"tileh":24,"frames":1},"minecraft-cake":{"sx":0,"sy":26,"cols":1,"tilew":32,"tileh":32,"frames":1},"neingeist":{"sx":0,"sy":59,"cols":1,"tilew":24,"tileh":24,"frames":1},"starbug":{"sx":0,"sy":84,"cols":1,"tilew":24,"tileh":24,"frames":1}}
\ No newline at end of file
diff --git a/images/sprites.png b/images/sprites.png
index 20e8164..77174d4 100644
Binary files a/images/sprites.png and b/images/sprites.png differ