Your goal is to make the player fit inside the obstacle.
However, if the player collides with an obstacle which has different shape than the shape of the player, then the game is over. cube fit, shape game, arcade game, puzzle game, shape shifting, obstacle avoidance, game challenge, reflex game, quick reflexes, game control, mobile game, fun game, easy to learn, difficult to master, addictive, arcade, spatial reasoning, challenging, block game