Mugen Senshi Valis is a 3D action-adventure game for the Sega Genesis. It was developed by Japanese game developer Sega. The game was ported to the PlayStation in 1994 and the Game Boy in 1995. It is the third game in the Senshi series, after Senshi Zetsubou and Senshi Sentai Bouken. The game tells the story of the titular Mugen Senshi, a powerful magical being who travels through time and space to stop evil from taking over the world. The game has an 8-bit graphics style, and is a side-scrolling action-adventure game with a strong RPG elements. The player controls Mugen Senshi as he travels through time and space, fighting evil creatures and defeating bosses. The player can use various magical abilities to defeat enemies and solve puzzles. The game features several different endings, depending on the player's choices.