diff --git a/game/app.odin b/game/app.odin
index 016a7b2..3f99db1 100644
--- a/game/app.odin
+++ b/game/app.odin
@@ -14,7 +14,7 @@ run :: proc() {
 		delete(world.path)
 		delete(world.combat.towers)
 		delete(world.events)
-		delete(world.spawner.recipe)
+		delete(world.wave.spawner.recipe)
 	}
 
 	for !rl.WindowShouldClose() {
diff --git a/game/enemy.odin b/game/enemy.odin
index 51cd31a..9d61c6f 100644
--- a/game/enemy.odin
+++ b/game/enemy.odin
@@ -73,7 +73,7 @@ spawn_enemy :: proc(world: ^World, kind: Enemy_Kind) {
 	e := acquire_enemy(world) // grab a free slot
 	if e == nil do return // if there are no slots, skil spawning
 
-	arch := get_enemy_archetype(kind, world.wave)
+	arch := get_enemy_archetype(kind, world.wave.current_wave)
 	e^ = Enemy {
 		position   = world.path[0],
 		health     = arch.health,
diff --git a/game/wave.odin b/game/wave.odin
index eff29ef..0face3c 100644
--- a/game/wave.odin
+++ b/game/wave.odin
@@ -17,13 +17,13 @@ Wave_Spawner :: struct {
 
 start_wave :: proc(world: ^World) {
 	if world.phase != .Build do return
-	world.wave += 1
+	world.wave.current_wave += 1
 	world.phase = .Combat
-	delete(world.spawner.recipe)
-	world.spawner = Wave_Spawner {
+	delete(world.wave.spawner.recipe)
+	world.wave.spawner = Wave_Spawner {
 		spawn_timer     = 0,
 		spawn_interval  = 0.55,
-		recipe          = build_wave_recipe(world.wave),
+		recipe          = build_wave_recipe(world.wave.current_wave),
 		recipe_index    = 0,
 		entry_remaining = 0,
 	}
@@ -56,7 +56,7 @@ build_wave_recipe :: proc(wave: int) -> [dynamic]Wave_Entry {
 }
 
 load_next_recipe_entry :: proc(world: ^World) {
-	s := &world.spawner
+	s := &world.wave.spawner
 	if s.recipe_index >= len(s.recipe) {
 		s.entry_remaining = 0
 		return
@@ -66,7 +66,7 @@ load_next_recipe_entry :: proc(world: ^World) {
 }
 
 clear_wave :: proc(world: ^World) -> bool {
-	s := world.spawner
+	s := world.wave.spawner
 	if s.recipe_index < len(s.recipe) do return false
 	if s.entry_remaining > 0 do return false
 	return active_enemy_count(world) == 0
@@ -74,7 +74,7 @@ clear_wave :: proc(world: ^World) -> bool {
 
 update_wave :: proc(world: ^World, dt: f32) {
 	if world.phase != .Combat do return
-	s := &world.spawner
+	s := &world.wave.spawner
 	if s.entry_remaining <= 0 && s.recipe_index >= len(s.recipe) do return
 
 	s.spawn_timer -= dt
@@ -105,7 +105,7 @@ check_end :: proc(world: ^World) {
 		world.phase = .Game_Over
 	}
 
-	if world.wave >= MAX_WAVES && world.phase == .Build && clear_wave(world) {
+	if world.wave.current_wave >= MAX_WAVES && world.phase == .Build && clear_wave(world) {
 		world.phase = .Victory
 	}
 }
diff --git a/game/world.odin b/game/world.odin
index af6fc95..641521c 100644
--- a/game/world.odin
+++ b/game/world.odin
@@ -8,8 +8,7 @@ World :: struct {
 	path:           [dynamic]Vec2,
 	events:         [dynamic]Event,
 	phase:          Game_Phase,
-	wave:           int,
-	spawner:        Wave_Spawner,
+	wave:           Wave,
 	selected_tower: Tower_Kind,
 }
 
@@ -23,6 +22,11 @@ Combat :: struct {
 	projectiles: [MAX_PROJECTILES]Projectile,
 }
 
+Wave :: struct {
+	current_wave: int,
+	spawner:      Wave_Spawner,
+}
+
 init_world :: proc() -> World {
 	economy := Economy {
 		gold = 100,