Slime Shiyo (aka Siraimi Shiyou!) is a breeding simulation game released for the Playstation one console, in the game the player has to breed a slime, some sort of alien creatures that are born from an alien plant and depending of the fusions and the power used to breed them they can evolutionate in a way or another. The game features 4 different terrains and the gameplay starts when the player plants the seed and the plant starts to grow, after that he can use the powers of lightning or wind to make different things to happen.