Games like CastleArena
Games like CastleArena include Total War: WARHAMMER II, Total War: WARHAMMER III, Company of Heroes 3, Broken Arrow, and Wargame: Red Dragon. We matched them by the tags players give CastleArena on Steam (Strategy, RTS, Tower Defense, Real Time Tactics, and Multiplayer): closest matches first, and among equally close ones the better-known games.
Total War: WARHAMMER II
Shared: Strategy · RTS · Fantasy
Total War: WARHAMMER III
Shared: Strategy · RTS · Real Time Tactics
Company of Heroes 3
Shared: Strategy · RTS · Multiplayer
Broken Arrow
Shared: Strategy · RTS · Real Time Tactics
Wargame: Red Dragon
Shared: Strategy · RTS · Real Time Tactics
Element TD 2 - Tower Defense
Shared: Tower Defense · Real Time Tactics · Strategy
Total War: THREE KINGDOMS
Shared: Strategy · RTS · Multiplayer
Company of Heroes 2
Shared: Strategy · RTS · Multiplayer
Men of War: Assault Squad 2
Shared: Strategy · RTS · Real Time Tactics
Total War: ATTILA
Shared: Strategy · RTS · Multiplayer
WARNO
Shared: RTS · Strategy · Real Time Tactics
Call to Arms - Gates of Hell: Ostfront
Shared: Strategy · Real Time Tactics · RTS
Total War: ROME II - Emperor Edition
Shared: Strategy · RTS · Multiplayer
Age of Empires II (Retired)
Shared: Strategy · RTS · Multiplayer
Planetary Annihilation: TITANS
Shared: Strategy · RTS · Real Time Tactics
Bloons TD 6
Shared: Strategy · Tower Defense · Multiplayer
Creeper World 4
Shared: Tower Defense · Real Time Tactics · RTS
Stronghold Crusader: Definitive Edition
Shared: Strategy · Real Time Tactics · Tower Defense
Stronghold: Definitive Edition
Shared: Strategy · Real Time Tactics · RTS
Battlefleet Gothic: Armada (Classic)
Shared: Strategy · RTS · Multiplayer
Command & Conquer™ Remastered Collection
Shared: Strategy · RTS · Multiplayer
Mindustry
Shared: Tower Defense · RTS · Strategy
Battlefleet Gothic: Armada 2
Shared: Strategy · RTS · Real Time Tactics
GemCraft - Frostborn Wrath
Shared: Tower Defense · RTS · Strategy