Single-player games like Ammo and Oxygen
Below are 10 single-player Steam games similar to Ammo and Oxygen, 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 Ammo and Oxygen page.
Ranked picks
- 1
The Last Stand: Aftermath
Single-player alternative to Ammo and Oxygen — playable solo, no multiplayer required. Shares Action and Indie with Ammo and Oxygen.
From the creators of The Last Stand: Union City and Dead Zone comes an all-new singleplayer rogue-lite action adventure. After you become infected by the zombie virus, you set out to explore the post-apocalypse and find hope for your fellow survivors. You can still make a difference. Don't give up.
- 2
HELLDIVERS™ Dive Harder Edition
Single-player alternative to Ammo and Oxygen — playable solo, no multiplayer required. Shares Action with Ammo and Oxygen.
HELLDIVERS™ is a hardcore, cooperative, twin stick shooter. As part of the elite unit called the HELLDIVERS, players must work together to protect SUPER EARTH and defeat the enemies of mankind in an intense intergalactic war.
- 3
Brotato
Single-player alternative to Ammo and Oxygen — playable solo, no multiplayer required. Shares Action and Indie with Ammo and Oxygen.
Brotato is a top-down arena shooter roguelite where you play a potato wielding up to 6 weapons at a time to fight off hordes of aliens. Choose from a variety of traits and items to create unique builds and survive until help arrives.
- 4
Neon Chrome
Single-player alternative to Ammo and Oxygen — playable solo, no multiplayer required. Shares Action and Indie with Ammo and Oxygen.
A masterful combination of top-down shooter and endless replayability with procedural levels. Blast your way through walls & enemies with guns and cybernetic abilities. Install perks from cyber chambers and upgrade your character stats after each death. Can you stop the Overseer?
- 5
Nuclear Throne
Single-player alternative to Ammo and Oxygen — playable solo, no multiplayer required. Shares Action and Indie with Ammo and Oxygen.
Nuclear Throne is a post-apocalyptic roguelike-like top-down shooter. Not 'the final hope of humanity' post-apocalyptic, but 'humanity is extinct and mutants and monsters now roam the world' post-apocalyptic. Can you reach the Nuclear Throne?
- 6
Legend of Dungeon
Single-player alternative to Ammo and Oxygen — playable solo, no multiplayer required. Shares Action and Indie with Ammo and Oxygen.
Legend of Dungeon is a randomly generated action RPG Beat'em'up with heavy Rogue-like elements, striking visuals, and dynamic music.
- 7
Section 13
Single-player alternative to Ammo and Oxygen — playable solo, no multiplayer required. Shares Action and Indie with Ammo and Oxygen.
Unravel a thrilling sci-fi mystery in this action-packed twin-stick roguelite shooter. Select your load-out, stack up temporary and persistent upgrades, and delve into the depths of a subterranean base, either alone or in a group of up to 3 players.
- 8
Teleglitch: Die More Edition
Single-player alternative to Ammo and Oxygen — playable solo, no multiplayer required. Shares Action and Indie with Ammo and Oxygen.
In a cold, dark future dominated by mega-corporations, a small lonely planet on the edge of habitable space is the site of a shadowy research facility specializing in necrotic tissue reactivation. You are a scientist who has suddenly awoken to the realization that you are the lone survivor.
- 9
Corrupted
Single-player alternative to Ammo and Oxygen — playable solo, no multiplayer required. Shares Action and Indie with Ammo and Oxygen.
Corrupted - the mix of arcade, RPG and visual novel. Fight off the hordes of monsters and break through to the truth. Discover new skills and improve your combat arsenal. The ground under your feet will be strewn with skulls of enemies!
- 10
Grimgrad
Single-player alternative to Ammo and Oxygen — playable solo, no multiplayer required. Shares Indie with Ammo and Oxygen.
Build your own Slavic settlement. Overcome the hardships of medieval life and don't anger the Gods!