Games like Deunocta

Games like Deunocta include DOOM + DOOM II, Warhammer 40,000: Boltgun, Project Warlock II, CULTIC, and SharpShooter3D. We matched them by the tags players give Deunocta on Steam (Action, Shooter, Boomer Shooter, 2.5D, and 1990's): closest matches first, and among equally close ones the better-known games.