Games like Attack of the Zektoids!

Games like Attack of the Zektoids! include Cookie Clicker, Nodebuster, A Game About Feeding A Black Hole, Keep on Mining!, and Shelldiver. We matched them by the tags players give Attack of the Zektoids! on Steam (Casual, Idler, Incremental, 2D, and Aliens): closest matches first, and among equally close ones the better-known games.