diff --git a/include/level.h b/include/level.h
index 9a4d16e..baaa51b 100644
--- a/include/level.h
+++ b/include/level.h
@@ -4,11 +4,11 @@
 #include <gint/defs/types.h>
 
 typedef struct Level {
-	int width;  /* in tiles */
-	int height; /* in tiles */
+	uint width;  /* in tiles */
+	uint height; /* in tiles */
 	const uint8_t **layers; /* points toward the level content */
-	int layers_count;
-	uint solid_layer; /* id of the solid layer */
+	uint8_t layers_count;
+	uint8_t solid_layer; /* id of the solid layer */
 } Level;
 
 #include "camera.h"
diff --git a/levels/create_demo.lua b/levels/create_demo.lua
index 899203e..d2fd24b 100755
--- a/levels/create_demo.lua
+++ b/levels/create_demo.lua
@@ -15,4 +15,4 @@ local function create_random_level(width, height, layers)
   end
 end
 
-create_random_level(64, 64, 1)
+create_random_level(64, 64, 3)
diff --git a/src/level.c b/src/level.c
index 9cf2cf1..9b90b76 100644
--- a/src/level.c
+++ b/src/level.c
@@ -10,7 +10,9 @@ void level_step(const Level *level) {
 }
 
 void level_draw(const Level *level, Camera *camera) {
-	layer_draw(level, camera, 0);
+	for (int i = 0; i < level->layers_count; ++i) {
+		layer_draw(level, camera, i);
+	}
 }
 
 void layer_draw(const Level *level, Camera *camera, uint layer_id) {