diff --git a/src/app.zig b/src/app.zig
index a09a1c7..8e57c20 100644
--- a/src/app.zig
+++ b/src/app.zig
@@ -9,12 +9,39 @@ pub const template = @import("template/root.zig");
 pub const ecs = @import("world/root.zig");
 const Self = @This();
 
+/// ----------------------------------------------------
+/// Default app stages
+/// ----------------------------------------------------
 pub const stage = struct {
-    pub const Init = struct {};
-    pub const Deinit = struct {};
-    pub const Inputs = struct {};
-    pub const Update = struct {};
-    pub const Draw = struct {};
+    // --- INIT ---
+    pub const pre_init = struct {};
+    pub const init = struct {};
+    pub const post_init = struct {};
+
+    // --- DEINIT ---
+    pub const pre_deinit = struct {};
+    pub const deinit = struct {};
+    pub const post_deinit = struct {};
+
+    // --- INPUTS ---
+    pub const pre_inputs = struct {};
+    pub const inputs = struct {};
+    pub const post_inputs = struct {};
+
+    // --- FIXED UPDATE ---
+    pub const pre_fixed_update = struct {};
+    pub const fixed_update = struct {};
+    pub const post_fixed_update = struct {};
+
+    // --- UPDATE ---
+    pub const pre_update = struct {};
+    pub const update = struct {};
+    pub const post_update = struct {};
+
+    // --- DRAW ---
+    pub const pre_draw = struct {};
+    pub const draw = struct {};
+    pub const post_draw = struct {};
 };
 
 /// ----------------------------------------------------