Games like Palpus X Annihilation

Games like Palpus X Annihilation include Alien Shooter, Black Mesa, Hotline Miami, BioShock Infinite, and Half-Life 2. We matched them by the tags players give Palpus X Annihilation on Steam (Action, Shooter, 2D, Isometric, and Aliens): closest matches first, and among equally close ones the better-known games.