This is a very simple game where boxes constantly fall from the sky and need to be destroyed by the player before they hit the ground. If they do so, they gain points; otherwise, they loose. It showcases basic gaming functionalities provided by the Flame Engine (and Flutter) main features, like sprites, game loop, audio and text. Its source code is here , and you can check the tutorial to build a similar game step-by-step. It's really easy!