My personal list, if it’s starred it means you can play as the communists.

Strategy

• Command & Conquer: Generals ⭐
• Command & Conquer: Red Alert 2 ⭐
• Starcraft Brood War
• Call to Arms – Gates of Hell: Ostfront ⭐
• Men of War: Assault Squad 2 ⭐
• Chess (Lichess)

Shooter

• Hell Let Loose ⭐
• Rising Storm 2: Vietnam ⭐
• Star Wars: Battlefront 2 (Classic)

RPG

• TES: Skyrim
• TES: Oblivion