diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9f321e6..3b2a375 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,6 +6,10 @@ project(${PROJECT_NAME} C)
 set(CMAKE_C_STANDARD 99)
 set(RAYLIB_DIR $ENV{HOME}/Documents/Coding/raylib/out/)
 
+if (${CMAKE_BUILD_TYPE} STREQUAL tile16)
+    set_directory_properties(PROPERTIES COMPILE_DEFINITIONS TILE16_SIZE)
+endif()
+
 set(GAME_LIBS
     lib_EC
     lib_scenes
@@ -82,43 +86,34 @@ target_link_libraries(scene_test
 add_executable(scene_test_mem
     scene_test.c
 )
-
 target_include_directories(scene_test_mem
     PRIVATE
     ${CMAKE_CURRENT_LIST_DIR}
     ${RAYLIB_DIR}/include
 )
-
 target_link_options(scene_test_mem PRIVATE -Xlinker -Map=scene_test.map)
-
 target_link_directories(scene_test_mem
     PRIVATE
     ${RAYLIB_DIR}/lib
 )
-
 target_link_libraries(scene_test_mem
     ${GAME_LIBS}
 )
-target_link_options(scene_test PRIVATE -fsanitize=address -gdwarf-4 )
 
 add_executable(menu_test
     menu_test.c
 )
-
 target_include_directories(menu_test
     PRIVATE
     ${CMAKE_CURRENT_LIST_DIR}
     ${RAYLIB_DIR}/include
 )
-
 target_compile_options(menu_test PRIVATE -fsanitize=address -gdwarf-4)
 target_link_options(menu_test PRIVATE -fsanitize=address -gdwarf-4)
-
 target_link_directories(menu_test
     PRIVATE
     ${RAYLIB_DIR}/lib
 )
-
 target_link_libraries(menu_test
     ${GAME_LIBS}
 )
diff --git a/engine/constants.h b/engine/constants.h
index 354b548..3dc0aaa 100644
--- a/engine/constants.h
+++ b/engine/constants.h
@@ -1,22 +1,38 @@
 // Constants to be used in game
+#ifndef __CONSTANTS_H
+#define __CONSTANTS_H
+#ifndef TILE16_SIZE
 #define TILE_SIZE 32
+#define DEFAULT_MAP_WIDTH 32
+#define DEFAULT_MAP_HEIGHT 16
+#else
+#define TILE_SIZE 16
+#define DEFAULT_MAP_WIDTH 64
+#define DEFAULT_MAP_HEIGHT 32
+#endif
 
 #define GRAV_ACCEL 1500
 #define JUMP_SPEED 70
 #define MOVE_ACCEL 1000
 #define FRICTION 0.98
-#define PLAYER_STAND_WIDTH 30
 
+#ifndef TILE16_SIZE
 #define PLAYER_WIDTH 30
 #define PLAYER_HEIGHT 55
-
 #define PLAYER_C_WIDTH 30
 #define PLAYER_C_HEIGHT 30
-#define PLAYER_C_YOFFSET 25
-#define PLAYER_C_XOFFSET 0
+#else
+#define PLAYER_WIDTH 14
+#define PLAYER_HEIGHT 30
+#define PLAYER_C_WIDTH 14
+#define PLAYER_C_HEIGHT 14
+#endif
+#define PLAYER_C_YOFFSET (PLAYER_HEIGHT - PLAYER_C_HEIGHT)
+#define PLAYER_C_XOFFSET (PLAYER_WIDTH - PLAYER_C_WIDTH)
 
 #define PLAYER_MAX_SPEED 1000
 #define Y_FRICTION 0.98
 #define X_FRICTION 0.85
 
 #define MAX_WATER_LEVEL 4
+#endif // __CONSTANTS_H
diff --git a/engine/scene_impl.c b/engine/scene_impl.c
index 455ab64..82c8e01 100644
--- a/engine/scene_impl.c
+++ b/engine/scene_impl.c
@@ -273,19 +273,20 @@ void init_level_scene(LevelScene_t *scene)
     sc_map_put_64(&scene->scene.action_map, KEY_O, ACTION_PREV_SPAWN);
     sc_map_put_64(&scene->scene.action_map, KEY_P, ACTION_NEXT_SPAWN);
 
-    scene->data.tilemap.width = 32;
-    scene->data.tilemap.height = 16;
-    assert(32*16 <= MAX_N_TILES);
-    scene->data.tilemap.n_tiles = 32*16;
+    scene->data.tilemap.width = DEFAULT_MAP_WIDTH;
+    scene->data.tilemap.height = DEFAULT_MAP_HEIGHT;
+    scene->data.tilemap.n_tiles = scene->data.tilemap.width * scene->data.tilemap.height;
+    assert(scene->data.tilemap.n_tiles <= MAX_N_TILES);
     scene->data.tilemap.tiles = all_tiles;
     for (size_t i=0; i<MAX_N_TILES;i++)
     {
         all_tiles[i].solid = 0;
         sc_map_init_64(&all_tiles[i].entities_set, 16, 0);
     }
-    for (size_t i=0; i<32; ++i)
+    for (size_t i=0; i<scene->data.tilemap.width; ++i)
     {
-        all_tiles[15*32+i].solid = true; // for testing
+        unsigned int tile_idx = (scene->data.tilemap.height - 1) * scene->data.tilemap.width + i;
+        all_tiles[tile_idx].solid = true; // for testing
     }
 
     spawn_player(&scene->scene);