Single-player games like Deep Breach
Below are 8 single-player Steam games similar to Deep Breach, 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 Deep Breach page.
Ranked picks
- 1
Space Vikings
Single-player alternative to Deep Breach — playable solo, no multiplayer required. Shares Action and Indie with Deep Breach.
Pillage and plunder across the galaxy as part of a crew of Space Vikings in this sci-fi roguelite bullet hell dungeon crawler. Find exotic weapons, upgrade them with powerful augments, explore mysterious alien planets, and unleash viking vengeance on their inhabitants.
- 2
Genome Guardian 2
Single-player alternative to Deep Breach — playable solo, no multiplayer required. Shares Action and Indie with Deep Breach.
COMBINE WEAPONS in the microscopic shooter with macroscopic depth. BUILD YOUR NANOBOT from hundreds of parts. SURVIVE the microbial onslaught once more in this psychedelic dive to the Abyss, full of mutations, minerals, anomalies and powerup polyps. SHMUP mode turns it into a vertical shoot 'em up!
- 3
Gunbot Diplomacy
Single-player alternative to Deep Breach — playable solo, no multiplayer required. Shares Action and Indie with Deep Breach.
Splatter slimes, massacre mutants, and assemble your perfect Gunbot! Survive hordes of enemies in this top-down shooter roguelite by customizing your weapons on the unique upgrade grid, and pick from a wide variety of build-defining modules and wacky base bots for a new experience every run.
- 4
Defying Fate
Single-player alternative to Deep Breach — playable solo, no multiplayer required. Shares Action and Indie with Deep Breach.
A top-down bullet hell space shooter that will test your perseverance. Blast and shoot your way through hordes of asteroids, enemy ships and whatever (and whoever) else you'll run into on your journey! Supports local co-op multiplayer over your local network.
- 5
Cosmic Flesh: Overdrive
Single-player alternative to Deep Breach — playable solo, no multiplayer required. Shares Action and Indie with Deep Breach.
Defend the galaxy from endless cosmic horrors. Dash and blast with fast, burst-based piloting, unleash powerful overdrives, evolve your ship with each unique run, and push your skills to the limit.
- 6
Soul Machine
Single-player alternative to Deep Breach — playable solo, no multiplayer required. Shares Action and Indie with Deep Breach.
Build your ultimate mech and face endless hordes of rogue robots. In this fast-paced rogue-lite twin-stick shooter, combine devastating weapons, unlock synergies, and salvage scrap to survive the mechanical swarm. Will your chassis hold together?
- 7
Polydangerous
Single-player alternative to Deep Breach — playable solo, no multiplayer required. Shares Action with Deep Breach.
Build and defend a mining operation on a distant planet in this tower defense bullet heaven shooter. Build and upgrade defenses, fight off waves of enemies from a rival corporation, and earn enough credits to buy your body back and escape this deep space hellhole.
- 8
Vermitron
Single-player alternative to Deep Breach — playable solo, no multiplayer required. Shares Action and Indie with Deep Breach.
They're Coming! Get ready to defend your lovely Flower from invading insect! Prepare your Bug Spray, Call your Holo-Pet, Fortify base and don't forget your mission: Find the Watering-Can!