Games like DEFCON
Games like DEFCON include Hearts of Iron IV, Wargame: Red Dragon, Company of Heroes 2, Plague Inc: Evolved, and Steel Division 2. We matched them by the tags players give DEFCON on Steam (Strategy, Singleplayer, Simulation, War, and Indie): closest matches first, and among equally close ones the better-known games.
Hearts of Iron IV
Shared: Strategy · War · Simulation
Wargame: Red Dragon
Shared: Strategy · Military · Tactical
Company of Heroes 2
Shared: Strategy · War · Multiplayer
Plague Inc: Evolved
Shared: Strategy · Simulation · Singleplayer
Steel Division 2
Shared: Strategy · Singleplayer · War
Men of War: Assault Squad 2
Shared: Strategy · War · Simulation
Total War: THREE KINGDOMS
Shared: Strategy · War · Singleplayer
Sid Meier’s Civilization® VI
Shared: Strategy · Singleplayer · Multiplayer
Call to Arms
Shared: Strategy · War · Multiplayer
First Strike
Shared: Strategy · War · Simulation
Arma 3
Shared: Simulation · Multiplayer · Military
Mount & Blade II: Bannerlord
Shared: Strategy · War · Singleplayer
Total War: WARHAMMER II
Shared: Strategy · War · Singleplayer
WARNO
Shared: Strategy · War · Military
Wargame: Airland Battle
Shared: Strategy · Cold War · Simulation
Totally Accurate Battle Simulator
Shared: Simulation · Strategy · War
Halo Wars: Definitive Edition
Shared: Strategy · Singleplayer · Multiplayer
Squad
Shared: Multiplayer · Military · Tactical
Company of Heroes 3
Shared: Strategy · Singleplayer · Multiplayer
Total War: ROME II - Emperor Edition
Shared: Strategy · War · Tactical
Steel Division: Normandy 44
Shared: Strategy · Simulation · War
STAR WARS™ Empire at War - Gold Pack
Shared: Strategy · Singleplayer · Multiplayer
Call of Duty®
Shared: Singleplayer · Multiplayer · War
Wargame: European Escalation
Shared: Strategy · Simulation · Cold War