diff --git a/Makefile b/Makefile
index 29292bd..9d384bd 100644
--- a/Makefile
+++ b/Makefile
@@ -65,7 +65,7 @@ BIN_CG := $(ELF_CG:.elf=.bin)
 src       := $(wildcard src/*.[csS] \
                         src/*/*.[csS] \
                         src/*/*/*.[csS] \
-                        src/*/*/*/*.[csS] \) src/gen_levels.c
+                        src/*/*/*/*.[csS] \)
 assets-fx := $(wildcard assets-fx/*/*)
 assets-cg := $(wildcard assets-cg/*/*)
 
@@ -76,8 +76,8 @@ obj-cg  := $(src:%=build-cg/%.o) \
            $(assets-cg:assets-cg/%=build-cg/assets/%.o)
 
 # Additional dependencies
-deps-fx := $(ICON_FX) src/gen_levels.c
-deps-cg := $(ICON_CG_UNS) $(ICON_CG_SEL) src/gen_levels.c
+deps-fx := $(ICON_FX)
+deps-cg := $(ICON_CG_UNS) $(ICON_CG_SEL)
 
 # All targets
 all :=
diff --git a/README.md b/README.md
index ae0d52a..dbc1bef 100644
--- a/README.md
+++ b/README.md
@@ -4,15 +4,13 @@ $ git clone --recursive https://gitea.planet-casio.com/KikooDX/jtmm2
 ```
 
 # Build instructions
-Using the `fxsdk` and latest version of `gint`. Requires `luajit`.
+Using the `fxsdk` and latest version of `gint`. Requires `lua`.
 
 For CG
 ```sh
-$ ./make_levels.sh
 $ fxsdk build-cg
 ```
 For FX
 ```sh
-$ ./make_levels.sh
 $ fxsdk build-fx
 ```
diff --git a/assets-cg b/assets-cg
index 7fe9902..223dc7e 160000
--- a/assets-cg
+++ b/assets-cg
@@ -1 +1 @@
-Subproject commit 7fe9902c7ede9e848e453b2228c1da439942147c
+Subproject commit 223dc7e0760db94480125e9ada8c6a381f56f08a
diff --git a/src/gen_levels.c b/src/gen_levels.c
new file mode 100644
index 0000000..81c70e4
--- /dev/null
+++ b/src/gen_levels.c
@@ -0,0 +1,17 @@
+#include "level.h"
+#include "tiles.h"
+const Tile tiles_1_solid[] = {
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+const Tile *layers_1[] = {tiles_1_solid,};
+const Level level_1 = {
+	.width = 64,
+	.height = 64,
+	.layers = layers_1,
+	.layers_count = 1,
+	.solid_layer = 0
+};
+void level_set(const Level **level, uint level_id) {
+	switch(level_id) {
+		case 1: *level = &level_1; break;
+	}
+}