Games like Sentinel 4: Dark Star

Games like Sentinel 4: Dark Star include Dungeon of the ENDLESS™, Defense Grid: The Awakening, Creeper World 3: Arc Eternal, X-Morph: Defense, and FTL: Faster Than Light. We matched them by the tags players give Sentinel 4: Dark Star on Steam (Strategy, Indie, Sci-fi, and Tower Defense): closest matches first, and among equally close ones the better-known games.