Single-player games like Ultimate Zombie Defense 2
Below are 15 single-player Steam games similar to Ultimate Zombie Defense 2, 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 Ultimate Zombie Defense 2 page.
Ranked picks
- 1
World War Z
Single-player alternative to Ultimate Zombie Defense 2 — playable solo, no multiplayer required. Shares Action with Ultimate Zombie Defense 2.
World War Z is a heart-pounding coop third-person shooter for up to 4 players featuring massive swarms of hundreds of zombies, focused on fast-paced, gruesomely spectacular action.
- 2
Killing Floor 2
Single-player alternative to Ultimate Zombie Defense 2 — playable solo, no multiplayer required. Shares Action with Ultimate Zombie Defense 2.
In KILLING FLOOR 2, players descend into continental Europe after it has been overrun by horrific, murderous clones called Zeds that were created by rogue elements of the Horzine Corporation. 6-player Co-Op & 12-player VS Zed-slaughtering mayhem.
- 3
Contagion
Single-player alternative to Ultimate Zombie Defense 2 — playable solo, no multiplayer required. Shares Action and Indie with Ultimate Zombie Defense 2.
Contagion isn't your average Zombie Shooter but instead takes a more realistic and different approach to the popular genre with unique characters, environments, weapons, items, and a built in system that makes every round completely unpredictable with resources, objectives, and paths ever changing.
- 4
Zombie Defense
Single-player alternative to Ultimate Zombie Defense 2 — playable solo, no multiplayer required. Shares Action and Strategy with Ultimate Zombie Defense 2.
A modern hybrid of the classic RTS and modern Tower Defense. Recruit soldiers, place them on slots and let them shoot incoming waves of zombies by their own. Order supplies, throw grenades, order airstrikes and many more... Perfect mix of strategy, tactics and micromanagement.
- 5
Left 4 Dead 2
Single-player alternative to Ultimate Zombie Defense 2 — playable solo, no multiplayer required. Shares Action with Ultimate Zombie Defense 2.
Set in the zombie apocalypse, Left 4 Dead 2 is a co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns.
- 6
How to Survive
Single-player alternative to Ultimate Zombie Defense 2 — playable solo, no multiplayer required. Shares Action and Adventure with Ultimate Zombie Defense 2.
“A real Gem” – Destructoid at E3 “Offers a different experience for zombie game veterans” – Co-Optimus“Has a lot more going for it than smashing brains and gory, red goo ... With a surprisingly deep crafting system” – GamesRadarYou're shipwrecked on an isolated island, a desperate castaway in a total freakshow world. How will you survive?
- 7
Resident Evil Requiem
Single-player alternative to Ultimate Zombie Defense 2 — playable solo, no multiplayer required. Shares Action and Adventure with Ultimate Zombie Defense 2.
Requiem for the dead. Nightmare for the living. Prepare to escape death in a heart-stopping experience that will chill you to your core.
- 8
7 Days to Die
Single-player alternative to Ultimate Zombie Defense 2 — playable solo, no multiplayer required. Shares Action and Strategy with Ultimate Zombie Defense 2.
7 Days to Die is an open-world game that is a unique combination of first-person shooter, survival horror, tower defense, and role-playing games. Play the definitive zombie survival sandbox RPG that came first. Navezgane awaits!
- 9
SAS: Zombie Assault 4
Single-player alternative to Ultimate Zombie Defense 2 — playable solo, no multiplayer required. Shares Action with Ultimate Zombie Defense 2.
Purge the undead! Intense action-shooter with deep rpg elements, including upgradeable guns and armor, unique class skills, and class special abilities. Entire game can be played single player or as a 4-player online co-op game, including PvP events like Last Man Standing.
- 10
Yet Another Zombie Defense
Single-player alternative to Ultimate Zombie Defense 2 — playable solo, no multiplayer required. Shares Action and Strategy with Ultimate Zombie Defense 2.
Darkness is coming. How long can YOU survive? Build your base by day, defend it by night. Play in online or local co-op. Stay alive as long as you can.
- 11
Killing Floor
Single-player alternative to Ultimate Zombie Defense 2 — playable solo, no multiplayer required. Shares Action with Ultimate Zombie Defense 2.
6-player co-op survival horror at its finest! Free updates, free special events and a ridiculous amount of fun!
- 12
Call of Zombie
Single-player alternative to Ultimate Zombie Defense 2 — playable solo, no multiplayer required. Shares Action and Indie with Ultimate Zombie Defense 2.
Call of Zombie is a survival shooting game set in the World War II era. As waves of zombies approach, your task is to protect the armory. By skillfully utilizing the remains of zombies, you can achieve unexpected effects and outcomes.
- 13
Nazi Zombies
Single-player alternative to Ultimate Zombie Defense 2 — playable solo, no multiplayer required. Shares Action and Indie with Ultimate Zombie Defense 2.
Nazi Zombies is a cooperative survival game where players fend off escalating waves of Nazi zombies, earning points by killing zombies and repairing barriers to buy weapons, upgrades, perks, and unlock new map areas to maximize their survival.
- 14
Hellstuck: Rage With Your Friends
Single-player alternative to Ultimate Zombie Defense 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Ultimate Zombie Defense 2.
Get ready to rage with your friends in this co-op precise platforming adventure! You're stuck in Hell. You can only jump upwards and all you have to do is escape … it can't be that hard, right?!
- 15
Diamond Hands: To The Moon
Single-player alternative to Ultimate Zombie Defense 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Ultimate Zombie Defense 2.
A game with one objective - to get to the moon. A game for apes by apes. A game as frustrating as stock market manipulation, a game that will make you want to hold on for dear life...