Single-player games like Von Neumann Project
Below are 9 single-player Steam games similar to Von Neumann Project, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Von Neumann Project page.
Ranked picks
- 1
Millennium Conflict
Single-player alternative to Von Neumann Project — playable solo, no multiplayer required.
You are the last survivor. Capture towers, command a squad of unique generals, and battle through 40 missions across 10 distinct worlds as you fight to reclaim a universe that has fallen to the enemy.
- 2
Axom: Conquest
Single-player alternative to Von Neumann Project — playable solo, no multiplayer required.
Build and defend your fortress while expanding out in this hold-out tower defense roguelite. Battle across a procedural alien homeworld, fight back corrupted terrain, discover hundreds of structures and upgrades as physics-driven swarms threaten to wipe out humanity.
- 3
Little Kingdom RTS
Single-player alternative to Von Neumann Project — playable solo, no multiplayer required. Shares Simulation with Von Neumann Project.
Little Kingdom RTS is an indie real-time strategy game set in a medieval fantasy world. Gather resources, build settlements, raise walls, and grow your small kingdom. Command an army of knights, archers, and mages to fight off rival kingdoms, orcs, and undead.
- 4
Poker Defense
Single-player alternative to Von Neumann Project — playable solo, no multiplayer required.
Build your defenses with the towers you earn from playing cards and use your power ups to stop your enemies in this strategic card game tower defense!
- 5
Factorwave
Single-player alternative to Von Neumann Project — playable solo, no multiplayer required. Shares Simulation with Von Neumann Project.
Fast-paced factory builder with combat and territorial logistics. Automate production, unlock powerful Sector Hub bonuses, defend your infrastructure, and expand across a hostile planet.
- 6
Unnatural Worlds
Single-player alternative to Von Neumann Project — playable solo, no multiplayer required. Shares Simulation with Von Neumann Project.
Innovative yet familiar real-time strategy game in development. Grand-scale RTS game played on maps/planets of any 3D shape. It emphasizes strategy, base building, logistics, and reduces micro-management of individual units.
- 7
The Factory Must Fall
Single-player alternative to Von Neumann Project — playable solo, no multiplayer required.
Build the perfect factory, then let it go to war against other players! Draft buildings from a randomized shop, optimize resource allocation and army composition, then watch your factory crush your friends and foes in this PvP factory-builder.
- 8
AGE OF ALIENS
Single-player alternative to Von Neumann Project — playable solo, no multiplayer required.
On an alien world, you must defend yourself in this unique base-building tower-defense game. Build a base by placing blocks, turrets and traps in order to survive the hoards of aliens.
- 9
Doodle Defense
Single-player alternative to Von Neumann Project — playable solo, no multiplayer required.
Doodle: Defense is an exciting roguelite tower defense game in which you play as a mining vessel defending yourself against the planets inhabitants! Use ink to fire bullets and level up to upgrade yourself and add defenses! Extraction will take 20 minutes, good luck!