Games like Niiikotopia: Sky Fall

Games like Niiikotopia: Sky Fall include Stronghold HD (2012), Stronghold Crusader: Definitive Edition, Stronghold: Definitive Edition, RimWorld, and Bloons TD 6. We matched them by the tags players give Niiikotopia: Sky Fall on Steam (2D Platformer, Action RTS, Real Time Tactics, Tower Defense, and Colony Sim): closest matches first, and among equally close ones the better-known games.