Games like Military Crusaders
Games like Military Crusaders include Wargame: Red Dragon, Company of Heroes 2, Squad, Company of Heroes 3, and WARNO. We matched them by the tags players give Military Crusaders on Steam (Side Scroller, Strategy, Wargame, Action, and PvE): closest matches first, and among equally close ones the better-known games.

Wargame: Red Dragon
Shared: Strategy · Wargame · RTS

Company of Heroes 2
Shared: Strategy · RTS · Tactical

Squad
Shared: PvE · Military · Action

Company of Heroes 3
Shared: Strategy · Wargame · RTS

WARNO
Shared: Wargame · Strategy · RTS

Age of History 3
Shared: Strategy · Wargame · RTS

Hearts of Iron IV
Shared: Strategy · Alternate History · Military

Call to Arms
Shared: Strategy · Action · RTS

Foxhole
Shared: Wargame · Base Building · Strategy

Company of Heroes
Shared: Strategy · RTS · Action

Men of War: Assault Squad 2
Shared: Strategy · Action · RTS

Steel Division 2
Shared: Strategy · RTS · Military

Starship Troopers: Terran Command
Shared: Strategy · RTS · Wargame

Age of Empires III: Definitive Edition
Shared: Strategy · Base Building · RTS

Forts
Shared: Strategy · Base Building · Action

Halo Wars: Definitive Edition
Shared: Strategy · Base Building · RTS

Broken Arrow
Shared: Strategy · Wargame · RTS

Tempest Rising
Shared: Strategy · RTS · Base Building

Total War: THREE KINGDOMS
Shared: Strategy · RTS · Military

Kingdom Heroes 8
Shared: Strategy · RTS · Side Scroller

Age of Empires II (Retired)
Shared: Strategy · RTS · Base Building

Warhammer 40,000: Dawn of War III
Shared: Strategy · Action · RTS

Act of Aggression - Reboot Edition
Shared: Strategy · Base Building · RTS

Cossacks 3
Shared: Strategy · RTS · Base Building