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

Keep Her Safe
Single-player alternative to ZedFall: Outbreak — playable solo, no multiplayer required. Shares Action and Indie with ZedFall: Outbreak.
Keep Her Safe is a survival shooting game. Gather resources, fortify your base, and withstand zombie hordes to keep the rocket project alive and bring an end to the acid rain apocalypse. Besides the hard life in wasteland, you can also chill up with friends in different multiplayer gameplays.
- 2

Too Many CUBES!
Single-player alternative to ZedFall: Outbreak — playable solo, no multiplayer required. Shares Action and Indie with ZedFall: Outbreak.
Shatter overwhelming cube swarms in a fast arena-survival roguelite. Aim your evolving arsenal, conquer five hazardous zones, destroy their Guardians, and climb five Fracture difficulty tiers—solo or in two-player local co-op.
- 3

BrainRot Defender
Single-player alternative to ZedFall: Outbreak — playable solo, no multiplayer required. Shares Action and Indie with ZedFall: Outbreak.
Defend your Lifenode from waves of Scrollers, Trolls, and Doomscrollers in this chaotic 2D arena shooter. Upgrade, survive, and beat the algorithm.
- 4

Survivors Of The Zombie World
Single-player alternative to ZedFall: Outbreak — playable solo, no multiplayer required. Shares Action and Indie with ZedFall: Outbreak.
Survivors Of The Zombie World is a 3D pixel-style zombie survival game. Survivors fight in a world full of zombies. Your goal is to survive, find food, ammunition, medicine and other supplies on the map and try to survive.
- 5

Yet Another Zombie Defense HD
Single-player alternative to ZedFall: Outbreak — playable solo, no multiplayer required. Shares Action and Indie with ZedFall: Outbreak.
Top-down zombie shooter with tower defense elements featuring up to 4 players local and online co-op. Build your base by day, defend it by night, put your skills to the test to stay alive as long as possible! Darkness is coming. How long can YOU survive?
- 6

Frontline Zed
Single-player alternative to ZedFall: Outbreak — playable solo, no multiplayer required. Shares Action and Indie with ZedFall: Outbreak.
Defend your fortified barricade by night, collect weapons and conduct repairs by day. Survive long enough to make your way through America and towards rescue.
- 7

Slaycation Paradise
Single-player alternative to ZedFall: Outbreak — playable solo, no multiplayer required. Shares Action and Indie with ZedFall: Outbreak.
Are you tired of the same boring old vacations? Then boy have we got the tonic for you! Slaycation Paradise offers the ultimate in multi-dimensional apocalyptic tours. Slay away your worries with Twin-Stick action mixed with Tower Defence as you visit the end-of-world scenarios of your dreams!
- 8

VERSUS SQUAD
Single-player alternative to ZedFall: Outbreak — playable solo, no multiplayer required. Shares Action and Indie with ZedFall: Outbreak.
Versus Squad is a fast action twin-stick shooter from the creator of Nation Red. Build your own sandbox defense and battle thousands of zombie mutants in top down combat! Face up to a dozen bosses. Simultaneously. Collect loot, build and repair. Play single player, on-line or local coop!