3D Realms is the developer and publisher of a few games with Steam trading cards, including:
- Bombshell (developed by Interceptor Entertainment)
- Duke Nukem 3D: Megaton Edition (co-developed with General Arcade, published by Devolver Digital)
- Ghostrunner (co-developed with One More Level, Slipgate Ironworks and All in! Games, published by 505 Games)
- Shadow Warrior Classic Redux (co-developed with General Arcade, published by Devolver Digital)