diff --git a/base/tools/icon.png b/base/icon.png
similarity index 100%
rename from base/tools/icon.png
rename to base/icon.png
diff --git a/base/sources/iron.h b/base/sources/iron.h
index 3acd13a3..c435e1db 100644
--- a/base/sources/iron.h
+++ b/base/sources/iron.h
@@ -809,7 +809,7 @@ i32 color_set_ab(i32 c, u8 i) {
 // ██║  ██╗    ██║  ██║    ╚██████╔╝    ██║ ╚═╝ ██║
 // ╚═╝  ╚═╝    ╚═╝  ╚═╝     ╚═════╝     ╚═╝     ╚═╝
 
-void iron_init(string_t *title, i32 width, i32 height, bool vsync, i32 window_mode, i32 window_features, i32 x, i32 y, i32 frequency) {
+void iron_init(string_t *title, i32 width, i32 height, bool vsync, i32 window_mode, i32 window_features, i32 x, i32 y, i32 frequency, bool use_depth) {
 	kinc_window_options_t win;
 	kinc_framebuffer_options_t frame;
 	win.title = title;
@@ -825,7 +825,7 @@ void iron_init(string_t *title, i32 width, i32 height, bool vsync, i32 window_mo
 	win.display_index = -1;
 	win.visible = enable_window;
 	frame.color_bits = 32;
-	frame.depth_bits = 0;
+	frame.depth_bits = use_depth ? 24 : 0;
 	kinc_init(title, win.width, win.height, &win, &frame);
 	kinc_random_init((int)(kinc_time() * 1000));
 
diff --git a/base/sources/ts/config.ts b/base/sources/ts/config.ts
index 42677dcb..f7d75cc7 100644
--- a/base/sources/ts/config.ts
+++ b/base/sources/ts/config.ts
@@ -213,7 +213,8 @@ function config_get_options(): kinc_sys_ops_t {
 		mode: window_mode,
 		features: window_features,
 		vsync: config_raw.window_vsync,
-		frequency: config_raw.window_frequency
+		frequency: config_raw.window_frequency,
+		use_depth: false
 	};
 	return ops;
 }
diff --git a/base/sources/ts/iron/iron.ts b/base/sources/ts/iron/iron.ts
index 1aa75a31..80f01e53 100644
--- a/base/sources/ts/iron/iron.ts
+++ b/base/sources/ts/iron/iron.ts
@@ -180,7 +180,7 @@ declare function color_set_gb(c: i32, i: u8): i32;
 declare function color_set_bb(c: i32, i: u8): i32;
 declare function color_set_ab(c: i32, i: u8): i32;
 
-declare function iron_init(title: string, width: i32, height: i32, vsync: bool, window_mode: i32, window_features: i32, x: i32, y: i32, frequency: i32): void;
+declare function iron_init(title: string, width: i32, height: i32, vsync: bool, window_mode: i32, window_features: i32, x: i32, y: i32, frequency: i32, use_depth: bool): void;
 declare function iron_set_app_name(name: string): void;
 declare function iron_log(v: any): void;
 declare function iron_g4_clear(flags: i32, color: i32, depth: f32): void;
diff --git a/base/sources/ts/iron/sys.ts b/base/sources/ts/iron/sys.ts
index 2e261a03..8a2c6ed4 100644
--- a/base/sources/ts/iron/sys.ts
+++ b/base/sources/ts/iron/sys.ts
@@ -23,7 +23,7 @@ let _sys_window_title: string;
 let _sys_shaders: map_t<string, shader_t> = map_create();
 
 function sys_start(ops: kinc_sys_ops_t) {
-	iron_init(ops.title, ops.width, ops.height, ops.vsync, ops.mode, ops.features, ops.x, ops.y, ops.frequency);
+	iron_init(ops.title, ops.width, ops.height, ops.vsync, ops.mode, ops.features, ops.x, ops.y, ops.frequency, ops.use_depth);
 
 	_sys_start_time = iron_get_time();
 	g2_init();
@@ -419,6 +419,7 @@ type kinc_sys_ops_t = {
 	mode?: window_mode_t;
 	frequency?: i32;
 	vsync?: bool;
+	use_depth?: bool;
 };
 
 enum window_features_t {
diff --git a/base/tools/tests/cube/assets/cube.arm b/base/tests/cube/assets/cube.arm
similarity index 100%
rename from base/tools/tests/cube/assets/cube.arm
rename to base/tests/cube/assets/cube.arm
diff --git a/base/tools/tests/cube/assets/texture.png b/base/tests/cube/assets/texture.png
similarity index 100%
rename from base/tools/tests/cube/assets/texture.png
rename to base/tests/cube/assets/texture.png
diff --git a/base/tools/tests/cube/project.js b/base/tests/cube/project.js
similarity index 57%
rename from base/tools/tests/cube/project.js
rename to base/tests/cube/project.js
index 0f471eda..3a3a30d4 100644
--- a/base/tools/tests/cube/project.js
+++ b/base/tests/cube/project.js
@@ -3,11 +3,11 @@ let flags = globalThis.flags;
 flags.with_iron = true;
 flags.lite = true;
 
-let project = new Project("Test");
-project.add_project("../../../");
+let project = new Project("test");
+project.add_project("../../");
 project.add_tsfiles("sources");
-project.add_tsfiles("../../../sources/ts/iron");
-project.add_shaders("../../../shaders/draw/*.glsl");
+project.add_tsfiles("../../sources/ts/iron");
+project.add_shaders("../../shaders/draw/*.glsl");
 project.add_shaders("shaders/*.glsl");
 project.add_assets("assets/*", { destination: "data/{name}" });
 
diff --git a/base/tools/tests/cube/shaders/mesh.frag.glsl b/base/tests/cube/shaders/mesh.frag.glsl
similarity index 100%
rename from base/tools/tests/cube/shaders/mesh.frag.glsl
rename to base/tests/cube/shaders/mesh.frag.glsl
diff --git a/base/tools/tests/cube/shaders/mesh.vert.glsl b/base/tests/cube/shaders/mesh.vert.glsl
similarity index 100%
rename from base/tools/tests/cube/shaders/mesh.vert.glsl
rename to base/tests/cube/shaders/mesh.vert.glsl
diff --git a/base/tools/tests/cube/sources/main.ts b/base/tests/cube/sources/main.ts
similarity index 100%
rename from base/tools/tests/cube/sources/main.ts
rename to base/tests/cube/sources/main.ts
diff --git a/base/tests/fall/assets/cube.arm b/base/tests/fall/assets/cube.arm
new file mode 100644
index 00000000..0c9d28da
Binary files /dev/null and b/base/tests/fall/assets/cube.arm differ
diff --git a/base/tests/fall/assets/sphere.arm b/base/tests/fall/assets/sphere.arm
new file mode 100644
index 00000000..f779ebb4
Binary files /dev/null and b/base/tests/fall/assets/sphere.arm differ
diff --git a/base/tests/fall/assets/texture.png b/base/tests/fall/assets/texture.png
new file mode 100644
index 00000000..87cbe835
Binary files /dev/null and b/base/tests/fall/assets/texture.png differ
diff --git a/base/tests/fall/project.js b/base/tests/fall/project.js
new file mode 100644
index 00000000..6017b167
--- /dev/null
+++ b/base/tests/fall/project.js
@@ -0,0 +1,15 @@
+
+let flags = globalThis.flags;
+flags.with_iron = true;
+flags.lite = true;
+
+let project = new Project("test");
+project.add_project("../../");
+project.add_tsfiles("sources");
+project.add_cfiles("../../sources/libs/asim/asim.c");
+project.add_tsfiles("../../sources/ts/iron");
+project.add_shaders("../../shaders/draw/*.glsl");
+project.add_shaders("shaders/*.glsl");
+project.add_assets("assets/*", { destination: "data/{name}" });
+
+return project;
diff --git a/base/tests/fall/shaders/mesh.frag.glsl b/base/tests/fall/shaders/mesh.frag.glsl
new file mode 100644
index 00000000..f2a1f5f9
--- /dev/null
+++ b/base/tests/fall/shaders/mesh.frag.glsl
@@ -0,0 +1,18 @@
+#version 450
+
+in vec2 tex_coord;
+in vec3 normal;
+
+out vec4 frag_color;
+
+uniform sampler2D my_texture;
+
+void main() {
+    vec3 l = vec3(0.5, 0.0, 0.5);
+    vec3 base_color = vec3(1.0, 1.0, 1.0); // texture(my_texture, tex_coord).rgb;
+    vec3 ambient = base_color * 0.5;
+    vec3 n = normalize(normal);
+    float dotnl = max(dot(n, l), 0.0);
+    vec3 diffuse = dotnl * base_color;
+    frag_color = vec4(ambient + diffuse, 1.0);
+}
diff --git a/base/tests/fall/shaders/mesh.vert.glsl b/base/tests/fall/shaders/mesh.vert.glsl
new file mode 100644
index 00000000..d7de2b2a
--- /dev/null
+++ b/base/tests/fall/shaders/mesh.vert.glsl
@@ -0,0 +1,16 @@
+#version 450
+
+in vec4 pos;
+in vec2 nor;
+in vec2 tex;
+
+out vec3 normal;
+out vec2 tex_coord;
+
+uniform mat4 WVP;
+
+void main() {
+	normal = vec3(nor.xy, pos.w);
+	tex_coord = tex;
+	gl_Position = WVP * vec4(pos.xyz, 1.0);
+}
diff --git a/base/tests/fall/sources/camera.ts b/base/tests/fall/sources/camera.ts
new file mode 100644
index 00000000..cbd1abbc
--- /dev/null
+++ b/base/tests/fall/sources/camera.ts
@@ -0,0 +1,47 @@
+
+function camera_update() {
+    let camera: camera_object_t = scene_camera;
+    let move_forward: bool = keyboard_down("w");
+    let move_backward: bool = keyboard_down("s");
+    let strafe_left: bool = keyboard_down("a");
+    let strafe_right: bool = keyboard_down("d");
+    let strafe_up: bool = keyboard_down("e");
+    let strafe_down: bool = keyboard_down("q");
+    let fast: f32 = keyboard_down("shift") ? 2.0 : 1.0;
+    let speed: f32 = 5.0;
+    let dir: vec4_t = vec4_create();
+
+    if (move_forward || move_backward || strafe_right || strafe_left || strafe_up || strafe_down) {
+        let clook: vec4_t = camera_object_look(camera);
+        let cright: vec4_t = camera_object_right(camera);
+
+        if (move_forward) {
+            dir = vec4_fadd(dir, clook.x, clook.y, clook.z);
+        }
+        if (move_backward) {
+            dir = vec4_fadd(dir, -clook.x, -clook.y, -clook.z);
+        }
+        if (strafe_right) {
+            dir = vec4_fadd(dir, cright.x, cright.y, cright.z);
+        }
+        if (strafe_left) {
+            dir = vec4_fadd(dir, -cright.x, -cright.y, -cright.z);
+        }
+        if (strafe_up) {
+            dir = vec4_fadd(dir, 0, 0, 1);
+        }
+        if (strafe_down) {
+            dir = vec4_fadd(dir, 0, 0, -1);
+        }
+    }
+
+    let d: f32 = time_delta() * speed * fast;
+    if (d > 0.0) {
+        transform_move(camera.base.transform, dir, d);
+    }
+
+    if (mouse_down()) {
+        transform_rotate(camera.base.transform, vec4_z_axis(), -mouse_movement_x / 200);
+        transform_rotate(camera.base.transform, camera_object_right(camera), -mouse_movement_y / 200);
+    }
+}
diff --git a/base/tests/fall/sources/main.ts b/base/tests/fall/sources/main.ts
new file mode 100644
index 00000000..f2879a54
--- /dev/null
+++ b/base/tests/fall/sources/main.ts
@@ -0,0 +1,163 @@
+// ../../../make --graphics vulkan --run
+
+///include "../../sources/libs/asim/asim.h"
+
+function main() {
+	let ops: kinc_sys_ops_t = {
+		title: "Empty",
+		width: 1280,
+		height: 720,
+		x: -1,
+		y: -1,
+		features: window_features_t.RESIZABLE | window_features_t.MINIMIZABLE | window_features_t.MAXIMIZABLE,
+		mode: window_mode_t.WINDOWED,
+		frequency: 60,
+		vsync: true,
+		use_depth: true
+	};
+	sys_start(ops);
+	app_init();
+	app_ready();
+}
+
+function render_commands() {
+	render_path_set_target("");
+	render_path_clear_target(0xff6495ed, 1.0, clear_flag_t.COLOR | clear_flag_t.DEPTH);
+	render_path_draw_meshes("mesh");
+}
+
+function app_ready() {
+	render_path_commands = render_commands;
+
+	let scene: scene_t = {
+		name: "Scene",
+		objects: [
+			{
+				name: "Cube",
+				type: "mesh_object",
+				data_ref: "cube.arm/Cube",
+				material_refs: ["MyMaterial"],
+				visible: true,
+				spawn: true
+			},
+			{
+				name: "Sphere",
+				type: "mesh_object",
+				data_ref: "sphere.arm/Sphere",
+				material_refs: ["MyMaterial"],
+				visible: true,
+				spawn: true
+			},
+			{
+				name: "Camera",
+				type: "camera_object",
+				data_ref: "MyCamera",
+				visible: true,
+				spawn: true
+			}
+		],
+		camera_datas: [
+			{
+				name: "MyCamera",
+				near_plane: 0.1,
+				far_plane: 100.0,
+				fov: 0.85
+			}
+		],
+		camera_ref: "Camera",
+		material_datas: [
+			{
+				name: "MyMaterial",
+				shader: "MyShader",
+				contexts: [
+					{
+						name: "mesh",
+						bind_textures: [
+							{
+								name: "my_texture",
+								file: "texture.k"
+							}
+						]
+					}
+				]
+			}
+		],
+		shader_datas: [
+			{
+				name: "MyShader",
+				contexts: [
+					{
+						name: "mesh",
+						vertex_shader: "mesh.vert",
+						fragment_shader: "mesh.frag",
+						compare_mode: "less",
+						cull_mode: "clockwise",
+						depth_write: true,
+						vertex_elements: [
+							{
+								name: "pos",
+								data: "short4norm"
+							},
+							{
+								name: "nor",
+								data: "short2norm"
+							},
+							{
+								name: "tex",
+								data: "short2norm"
+							}
+						],
+						constants: [
+							{
+								name: "WVP",
+								type: "mat4",
+								link: "_world_view_proj_matrix"
+							}
+						],
+						texture_units: [
+							{
+								name: "my_texture"
+							}
+						]
+					}
+				]
+			}
+		]
+	};
+	map_set(data_cached_scene_raws, scene.name, scene);
+
+	// Instantiate scene
+	scene_create(scene);
+	scene_ready();
+}
+
+function scene_ready() {
+	// Set camera
+	let t: transform_t = scene_camera.base.transform;
+	t.loc = vec4_create(0, -10, 0);
+	t.rot = quat_from_to(vec4_create(0, 0, 1), vec4_create(0, -1, 0));
+	transform_build_matrix(t);
+
+	app_notify_on_update(scene_update);
+
+	let cube: object_t = scene_get_child("Cube");
+	let mesh: mesh_object_t = cube.ext;
+
+	asim_init(mesh.data.vertex_arrays[0].values, mesh.data.index_arrays[0].values, mesh.data.scale_pos);
+}
+
+function scene_update() {
+	asim_update();
+	camera_update();
+
+	if (keyboard_started("space")) {
+		asim_set_sphere(0, 0, 5);
+	}
+
+	let sphere: object_t = scene_get_child("Sphere");
+	let t: transform_t = sphere.transform;
+	t.loc.x = asim_get_sphere_x();
+	t.loc.y = asim_get_sphere_y();
+	t.loc.z = asim_get_sphere_z();
+	transform_build_matrix(t);
+}
diff --git a/base/tools/tests/triangle/main.ts b/base/tests/triangle/main.ts
similarity index 100%
rename from base/tools/tests/triangle/main.ts
rename to base/tests/triangle/main.ts
diff --git a/base/tools/tests/triangle/project.js b/base/tests/triangle/project.js
similarity index 56%
rename from base/tools/tests/triangle/project.js
rename to base/tests/triangle/project.js
index 38eba89a..09abc2f0 100644
--- a/base/tools/tests/triangle/project.js
+++ b/base/tests/triangle/project.js
@@ -3,9 +3,9 @@ let flags = globalThis.flags;
 flags.with_iron = true;
 flags.lite = true;
 
-let project = new Project("Test");
-project.add_project("../../../");
+let project = new Project("test");
+project.add_project("../../");
 project.add_tsfiles("./");
-project.add_tsfiles("../../../sources/ts/iron");
+project.add_tsfiles("../../sources/ts/iron");
 project.add_shaders("./*.glsl");
 return project;
diff --git a/base/tools/tests/triangle/test.frag.glsl b/base/tests/triangle/test.frag.glsl
similarity index 100%
rename from base/tools/tests/triangle/test.frag.glsl
rename to base/tests/triangle/test.frag.glsl
diff --git a/base/tools/tests/triangle/test.vert.glsl b/base/tests/triangle/test.vert.glsl
similarity index 100%
rename from base/tools/tests/triangle/test.vert.glsl
rename to base/tests/triangle/test.vert.glsl
diff --git a/base/tools/tests/asim/project.js b/base/tools/tests/asim/project.js
deleted file mode 100644
index b0eba11c..00000000
--- a/base/tools/tests/asim/project.js
+++ /dev/null
@@ -1,13 +0,0 @@
-let project = new Project("plugins");
-
-project.add_cfiles("plugin_api.c");
-project.add_cfiles("plugins.c");
-
-if (flags.physics) {
-	project.add_cfiles("phys_jolt/phys_jolt.cpp");
-	project.add_cfiles("phys_jolt/Jolt/**");
-	project.add_include_dir("phys_jolt");
-	project.add_define("JPH_NO_DEBUG");
-}
-
-return project;
diff --git a/base/tools/tests/cube/tsconfig.json b/base/tools/tests/cube/tsconfig.json
deleted file mode 100644
index 85d99e05..00000000
--- a/base/tools/tests/cube/tsconfig.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-    "extends": "./build/tsconfig.json"
-}