Single-player games like SwarmZ
Below are 11 single-player Steam games similar to SwarmZ, 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 SwarmZ page.
Ranked picks
- 1
Ultimate Epic Battle Simulator
Single-player alternative to SwarmZ — playable solo, no multiplayer required. Shares Action and Strategy with SwarmZ.
Here is a sandbox like no other. Create massive battles with absolutely no limits. Want to see 10,000 chickens fight an army of Romans?? Sure, why not. Want to see a company of WW2 U.S soldiers fight 11,000 Medieval soldiers?? There are simply no limits to the carnage you can achieve in UEBS.
- 2
Atom Zombie Smasher
Single-player alternative to SwarmZ — playable solo, no multiplayer required. Shares Strategy and Indie with SwarmZ.
The zombie apocalypse is upon us and it's up to you to evacuate everyone before they fall prey to the undead. Conduct massive rescue operations with a helping hand from snipers, artillery crews, orbital bombardments, and more.
- 3
They Are Billions
Single-player alternative to SwarmZ — playable solo, no multiplayer required. Shares Strategy with SwarmZ.
They Are Billions is a Steampunk strategy game set on a post-apocalyptic planet. Build and defend colonies to survive against the billions of the infected that seek to annihilate the few remaining living humans. Can humanity survive after the zombie apocalypse?
- 4
Infested Planet
Single-player alternative to SwarmZ — playable solo, no multiplayer required. Shares Action and Strategy with SwarmZ.
Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy.
- 5
Zombie City Defense 2
Single-player alternative to SwarmZ — playable solo, no multiplayer required. Shares Action and Strategy with SwarmZ.
In a near future, the world has been devastated by a virus turning humanity into zombies. You are Iron Corps, the last defense of civilization traveling the world to find resources, help people and find answers. Will you survive long enough?
- 6
Infection Free Zone
Single-player alternative to SwarmZ — playable solo, no multiplayer required. Shares Action and Strategy with SwarmZ.
Choose any real region from the world. Choose your base of operations, then rebuild and readapt the buildings around you to create a self-sustaining settlement. Take charge of a group of survivors from your city. And when the night falls - Defend the zone from the infected!
- 7
Wanna Survive
Single-player alternative to SwarmZ — playable solo, no multiplayer required. Shares Strategy and Indie with SwarmZ.
HIGH SPEED ZOMBIE TACTICS - Fight mobs of undead attacking from all sides in this streamlined turn-based tactics that emphasizes unit placement and synergies. Help the survivors live through fights and manage their rations to avoid permanent death, and they just might be able to reach the Sanctuary.
- 8
CleanFall
Single-player alternative to SwarmZ — playable solo, no multiplayer required. Shares Action and Strategy with SwarmZ.
CleanFall is a survival rogue-like that prizes player freedom and creativity. Build mobile death machines to fight off ravenous hordes, craft and alchemize gun turrets, and tunnel through subterranean ecosystems crawling with nameless horrors.
- 9
Totally Accurate Battle Simulator
Single-player alternative to SwarmZ — playable solo, no multiplayer required. Shares Strategy and Indie with SwarmZ.
Be the leader of wobblers from ancient lands, spooky places, and fantasy worlds. Watch them fight in simulations made with the wobbliest physics system ever created, make your own wobblers in the unit creator and send your army off to fight your friends in multiplayer.
- 10
Epic Fantasy Battle Simulator
Single-player alternative to SwarmZ — playable solo, no multiplayer required. Shares Action and Strategy with SwarmZ.
Welcome to Epic Fantasy Battle Simulator, the most immersive medieval battle simulator to date! Throw tens of thousands of soldiers into battle, enjoy the show, or take control of one of them to prove your valor! The only limit is your imagination! Or maybe your CPU?
- 11
Sellswords: Ashen Company
Single-player alternative to SwarmZ — playable solo, no multiplayer required. Shares Action and Strategy with SwarmZ.
Sellswords: Ashen Company is a medieval Action RTS. As a captain of a mercenary company, you shall travel the world seeking for contracts, manage your company, and take part in massive battles. All of this in a unique blend between Real Time Strategy and Third Person Melee Combat.