Single-player games like Outbreak Squad
Below are 8 single-player Steam games similar to Outbreak Squad, 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 Outbreak Squad page.
Ranked picks
- 1

Sarge's Horrors
Single-player alternative to Outbreak Squad — playable solo, no multiplayer required. Shares Action with Outbreak Squad.
Toy soldiers. Real war. Betrayal. In a desperate bid for victory, the Tan commanders summon The Four Horsemen, unleashing an undead apocalypse across the battlefield. Hunt the Horsemen. Claim their demonic staffs. Return them to your commander. But some powers were never meant to be held.
- 2

Kill Them All
Single-player alternative to Outbreak Squad — playable solo, no multiplayer required. Shares Action and Adventure with Outbreak Squad.
In this narrative action-adventure game, you play a fearless mercenary deployed on Serenity Island where an infection rages. Fight infected, complete missions, and improve your equipment. Many survivors need assistance, will you be able to help ?
- 3

Bloody Moon
Single-player alternative to Outbreak Squad — playable solo, no multiplayer required. Shares Action and Adventure with Outbreak Squad.
This is a single-player third-person shooter about the zombie virus outbreak in the future world, as the last survivor and the last resistance of the zombies!
- 4

The Last of Us™ Part I
Single-player alternative to Outbreak Squad — playable solo, no multiplayer required. Shares Action and Adventure with Outbreak Squad.
Discover the award-winning game that inspired the critically acclaimed television show. Guide Joel and Ellie through a post-apocalyptic America, and encounter unforgettable allies and enemies in The Last of Us™.
- 5

She Will Shoot
Single-player alternative to Outbreak Squad — playable solo, no multiplayer required. Shares Action and Adventure with Outbreak Squad.
She Will Shoot - is a cool zombie killer from the third person in a variety of scenery. Choose an arena and use different types of weapons to clear it of zombies.
- 6

Alien Shooter 2 - New Era
Single-player alternative to Outbreak Squad — playable solo, no multiplayer required. Shares Action with Outbreak Squad.
A desert, an abandoned city, cramped underground corridors of MAGMAs research centers, and for hundreds of kilometers around there is only darkness and thousands of monsters coming from all sides. You have only two options - to achieve your goal or die.
- 7

Zomborg
Single-player alternative to Outbreak Squad — playable solo, no multiplayer required. Shares Action and Adventure with Outbreak Squad.
It is the year 2000, and the United Nations has established several quarantine zones around the world to stem the tide of an unknown virus pandemic. The United Nations called upon a private military company, highly skilled mercenaries to retrieve the data and uncover the secret of the zone.
- 8

Zombie Army Trilogy
Single-player alternative to Outbreak Squad — playable solo, no multiplayer required. Shares Action with Outbreak Squad.
The cult horror shooter series comes to an apocalyptic conclusion with an epic new third chapter, a heart-pumping new horde mode, and remastered editions of the best-selling Nazi Zombie Army 1 & 2.