Hi, Jihang. The graphics of your game are simple and clear, giving people a comfortable and pleasant visual experience. In terms of sound effects, the game can consider adding some background music or sound effects to enhance the atmosphere and immersion of the game, which will be a good choice. The technical implementation of the game was stable, with no significant bugs or other technical issues. The operation of the game is also smooth. In my opinion, the camera aspect could also be improved to a free perspective, where the player can manipulate the perspective to observe the surrounding environment.