Single-player games like OmniGun
Below are 9 single-player Steam games similar to OmniGun, 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 OmniGun page.
Ranked picks
- 1
Galactic Vault
Single-player alternative to OmniGun — playable solo, no multiplayer required. Shares Action and Indie with OmniGun.
Build your weapon to its full potential in Galactic Vault, a fast-paced FPS roguelite. Discover endless upgrade combinations, craft diverse builds, and unleash devastating abilities. Get ready to infiltrate high-security vaults and recover lost tech.
- 2
Blast Judgment
Single-player alternative to OmniGun — playable solo, no multiplayer required. Shares Action and Indie with OmniGun.
Wield an unholy arsenal in this FPS Roguelite. Plunder arcane relics and practice forgotten rituals to take on armies of twisted foes. Seek the cruel gods that pulled you from your grave, and inflict your BLAST JUDGMENT.
- 3
Alien Grounds
Single-player alternative to OmniGun — playable solo, no multiplayer required. Shares Action and Indie with OmniGun.
Single-player arena shooter. Weird weapons. Relentless robots. Easy to play, hard to score. Enter the chaos, shoot the bots, and compete in the Monthly Challenge.
- 4
Steel Judgment
Single-player alternative to OmniGun — playable solo, no multiplayer required. Shares Action and Indie with OmniGun.
Steel Judgment is an ultra-fast roguelite FPS that blends game-breaking roguelike chaos with stylish spectacle fighter combat. Wipe out hordes of enemies with ruthless efficiency while collecting powerful items to grow even stronger!
- 5
Hexborn
Single-player alternative to OmniGun — playable solo, no multiplayer required. Shares Action and Indie with OmniGun.
A blood-fueled roguelite FPS inspired by Doom and Vampire Survivors — but instead of one arena, fight through cursed labyrinths that reshape every run. Draft brutal perks, wield occult firepower, and survive escalating horrors with a retro shooter soul.
- 6
Atmos
Single-player alternative to OmniGun — playable solo, no multiplayer required. Shares Action and Indie with OmniGun.
ATMOS - is a fast-paced action roguelike, where you can shoot, slash, blast, smash, slice, bash and more!.
- 7
Gunstoppable
Single-player alternative to OmniGun — playable solo, no multiplayer required. Shares Action and Indie with OmniGun.
A momentum-fueled Roguelite FPS where speed is damage. Dual-wield overpowered weapon combos and bend time to obliterate robot hordes and overthrow billionaire bosses!
- 8
Neurospasm
Single-player alternative to OmniGun — playable solo, no multiplayer required. Shares Action with OmniGun.
A First Person Roguelike Horde Shooter. Hook your brain into your computer, dive into a game inside a game, unbox and stack unique items, use up to 6 weapons at once, kill weird fleshy enemies, and uncover what the shady company behind the game is hiding
- 9
Broad Sword
Single-player alternative to OmniGun — playable solo, no multiplayer required. Shares Action and Indie with OmniGun.
Broad Sword is a formation based third-person tactical hack and slash game where you lead formations of troops to face off against a variety of factions in a fantasy realm. Engage in class-based combat as you defeat your foes in conquest, siege and campaign modes.