93		Iron Sea Defenders (PlayStation 4, 2017)
74		The Keeper of 4 Elements (PlayStation 4, 2016)
73		Royal Defense (PlayStation 4, 2017)
64		Aegis of Earth: Protonovus Assault (PlayStation 4, 2016)
64		Aegis of Earth: Protonovus Assault (PlayStation 3, 2016)
63		Lock's Quest (PlayStation 4, 2017)
63		Day D: Tower Rush (PlayStation 4, 2017)
54		Pirates: Treasure Hunters (PlayStation 4, 2016)
54		Dungeons II (PlayStation 4, 2016)
50		Populous: The Beginning (PlayStation, 1999)
50		Populous: The Beginning (PlayStation 3, 2007)
44		McDroid (PlayStation 4, 2016)
44		Final Horizon (PlayStation 4, 2014)
43		Medieval Defenders (PlayStation 4, 2017)
43		The Onion Knights (PlayStation 4, 2017)
43		Plants vs. Zombies (PlayStation 3, 2011)
42		PixelJunk Monsters 2 (PlayStation 4, 2018)
41		8-Bit Hordes (PlayStation 4, 2019)
40		Fort Commander II: Counterattack (PlayStation 3, 2010)
40		Crystal Defenders (PlayStation 3, 2009)
40		Fort Commander: King's Gambit (PlayStation 3, 2010)

Notes: Games similar to The Castle Game, Games like The Castle Game, Neptune Interactive Inc., Neptune Interactive Inc., PlayStation 4, Strategy, Tactics, Fantasy, Tower Defense, Real-Time, Bird's-eye view, Free-roaming camera, Sony PlayStation, PSX, PS1, PS2, PS3, PS4, Game Similarities.