The Law of Ueki was adapted into a PlayStation 2 and a Game Boy Advance game released only in Japan. The PlayStation 2 game is called Ueki no Hōsoku: Taosu ze Roberuto Jūdan!! (うえきの法則: 倒ぜロベルト十団!) while the Game Boy Advance game is called Ueki no Hōsoku: Jingi Sakuretsu! Nōryokusha Battle (うえきの法則: 神器炸裂!能力者バトル). They are based on the story of the anime.