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
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.
- 3
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
- 4
Blood Rush
Single-player alternative to OmniGun — playable solo, no multiplayer required. Shares Action and Indie with OmniGun.
BLOOD RUSH is a fast paced, skill based FPS, mixed with roguelites elements. Upgrade yourself, buy unique guns, drain miracles from relics and destroy anyone or anything standing on your way!
- 5
AFTERBLAST
Single-player alternative to OmniGun — playable solo, no multiplayer required. Shares Action and Indie with OmniGun.
AFTERBLAST is a challenging FPS roguelite. Play SOLO or in CO-OP (1-4 players). Get stronger each run. Obtain powerful abilities, weapons and find a way to save your planet. Stand up against the Gods and defeat hordes of monsters in intense bullet-hell combat!
- 6
VOID/BREAKER
Single-player alternative to OmniGun — playable solo, no multiplayer required. Shares Action and Indie with OmniGun.
Fast paced Bullet hell Roguelite FPS 🔴 Fight relentless machines driven by a hostile AI. Escape an endless cycle. Craft infinite weapon variants with deep gun modding. Forge deadly synergies. Carve your way out through enviro destruction /BREAK THE SYSTEM /BREAK FREE
- 7
Carmageddon: Rogue Shift
Single-player alternative to OmniGun — playable solo, no multiplayer required. Shares Action with OmniGun.
Carmageddon smashes back with brutal roguelite vehicular‑combat mayhem. Adapt, upgrade, and unleash destruction on post‑apocalyptic zombie hordes. The legacy lives on, reinvented and unforgiving.
- 8
Slyders
Single-player alternative to OmniGun — playable solo, no multiplayer required. Shares Action with OmniGun.
Slyders is a survivor-like, roguelite bullet-hell FPS where you fight overwhelming hordes of enemies and unleash a ridiculous arsenal of upgrades. You’re Aryx, a fearless fox freedom fighter on his supersonic battle turtle who aims to liberate Sky World from evil.
- 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.