Single-player games like OSES
Below are 8 single-player Steam games similar to OSES, 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 OSES page.
Ranked picks
- 1
PlagueStead
Single-player alternative to OSES — playable solo, no multiplayer required. Shares Action and Strategy with OSES.
PlagueStead is a half farming sim, half action survival game. You are a farmer who watches the apocalypse arise from the comfort of your farm. Seeds are now becoming radioactive, growing into guns, ammunition, and even chickens. A rescue helicopter will arrive in 5 days, survive until then.
- 2
Survival Denied
Single-player alternative to OSES — playable solo, no multiplayer required. Shares Action and Indie with OSES.
Survival Denied is a casual zombie shooter, made primarily with VR in mind. Wide choice of weapons, perks and power-ups make the game interesting. Dive in and try to survive as long as you can!
- 3
Moonlit Carnage
Single-player alternative to OSES — playable solo, no multiplayer required. Shares Action and Indie with OSES.
Moonlit Carnage is a fast-paced bullet heaven survival game where you battle endless hordes of zombies in short, action-packed matches. Slay the undead, collect souls to level up, and choose powerful upgrades to push your survival to the limit. How long can you last before the horde overwhelms you?
- 4
Zombies & Bullets
Single-player alternative to OSES — playable solo, no multiplayer required. Shares Action and Indie with OSES.
Zombies & Bullets is a 3D top-down action shooter game where you must help the soldiers Jacob and Erin face armies of zombies in varied levels full of challenges. Prove your skills and become the warrior of the zombie apocalypse!
- 5
Call For Backup
Single-player alternative to OSES — playable solo, no multiplayer required. Shares Action and Strategy with OSES.
Defend USA in a post-apocalyptic war against ghouls and commies. While some are in control of combat drones, one person becomes the commander. Ground forces rely on the commander's air support, but he can’t see the battlefield. Communication is crucial! Single-player campaign included!
- 6
Bad Business
Single-player alternative to OSES — playable solo, no multiplayer required. Shares Action and Strategy with OSES.
Bad Business is an extremely challenging top-down tactical shooter game where Mr. Bunny Rabbit, a hitman for the Mob, has been tasked to neutralize the rival Gang. A hard task for any organization, an impossible task for a hitman.
- 7
Void Daggers
Single-player alternative to OSES — playable solo, no multiplayer required. Shares Action and Indie with OSES.
One touch kills you. Your timer is your score. Neon wireframe horrors swarm from infinite darkness. Shatter them, harvest their essence, forge your daggers through 5 tiers of devastation. Bunny hop the void. Dagger jump to survive. Prove your skill on Steam leaderboards. For fans of Devil Daggers.
- 8
The Crimson Contract
Single-player alternative to OSES — playable solo, no multiplayer required. Shares Action and Strategy with OSES.
A gritty top-down co-op zombie shooter where every mission is a high-risk contract. Battle the undead, earn your payout, and survive long enough to uncover the truth.