diff --git a/cmd/client/assets_native.go b/cmd/client/assets_native.go
index 60904cd..a347aa2 100644
--- a/cmd/client/assets_native.go
+++ b/cmd/client/assets_native.go
@@ -52,4 +52,7 @@ func (g *Game) loadAssets() {
 		}
 	}
 	fmt.Printf("🖼️  Bilder (Native): %d geladen, %d fehlgeschlagen\n", loadedImages, failedImages)
+
+	// Alle Sprites in eine Atlas-Textur packen → ein GPU-Draw-Call statt vieler
+	g.assetsImages = buildAtlas(g.assetsImages, g.world.Manifest)
 }
diff --git a/cmd/client/assets_wasm.go b/cmd/client/assets_wasm.go
index 0dcfe03..20a6cc0 100644
--- a/cmd/client/assets_wasm.go
+++ b/cmd/client/assets_wasm.go
@@ -50,4 +50,7 @@ func (g *Game) loadAssets() {
 		}
 	}
 	fmt.Printf("🖼️  Bilder (WASM): %d geladen, %d fehlgeschlagen\n", loadedImages, failedImages)
+
+	// Alle Sprites in eine Atlas-Textur packen → ein GPU-Draw-Call statt vieler
+	g.assetsImages = buildAtlas(g.assetsImages, g.world.Manifest)
 }