Single-player games like Octogun - Idle
Below are 8 single-player Steam games similar to Octogun - Idle, 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 Octogun - Idle page.
Ranked picks
- 1
Fading Reel
Single-player alternative to Octogun - Idle — playable solo, no multiplayer required. Shares Action and Indie with Octogun - Idle.
A sepia Roguelike — lead a chained squad through 22 waves. Map events split your line, milestone recruits add firepower. Linked Blink, run upgrades, 19 Evolutions, and a permanent meta tree carry you to the final Boss Hydra.
- 2
Forecast Death
Single-player alternative to Octogun - Idle — playable solo, no multiplayer required. Shares Action and Indie with Octogun - Idle.
Survive the chaos of a bullet-heaven action game. Tear through enemy hordes, stack wild ability combos, and endure cataclysms that rewrite the rules mid-fight. The pace ramps up every minute - either you grow stronger, or you get wiped out.
- 3
Airships: Lost Flotilla
Single-player alternative to Octogun - Idle — playable solo, no multiplayer required. Shares Action and Indie with Octogun - Idle.
Airships: Lost Flotilla is a steampunk autoshooter where you fight your way through waves of enemies on your way to a safe harbour. Destroy your foes, harvest wreckage, and upgrade your ship.
- 4
Super Station Swarm
Single-player alternative to Octogun - Idle — playable solo, no multiplayer required. Shares Action and Indie with Octogun - Idle.
A space station, infinite waves, and a screen full of vector geometry trying to kill you. Your turrets auto-fire. Your satellites orbit. This is bullet-hell-yeah. In-game and permanent upgrades. 17 upgrade types across 9 weapon classes. Play, upgrade, repeat.
- 5
Compadrone: Land Wars
Single-player alternative to Octogun - Idle — playable solo, no multiplayer required. Shares Action and Indie with Octogun - Idle.
In this fast-paced roguelite arena shooter with tower-defense twists, control a drone capable of wielding multiple weapons and fight hordes of alien warbots. Collect resources and XP to unlock new weapons, towers, abilities, and drones.
- 6
Genome Guardian 2
Single-player alternative to Octogun - Idle — playable solo, no multiplayer required. Shares Action and Indie with Octogun - Idle.
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!
- 7
Area Survivors
Single-player alternative to Octogun - Idle — playable solo, no multiplayer required. Shares Action and Indie with Octogun - Idle.
Area Survivors is a top-down survival action game where you fight off relentless hordes of enemies and struggle to stay alive. Defeat enemies to grow stronger, upgrade your weapons and skills, and take on increasingly powerful foes and massive waves of enemies.
- 8
Arms of God
Single-player alternative to Octogun - Idle — playable solo, no multiplayer required. Shares Action and Indie with Octogun - Idle.
Gear up for a battle through hell in this roguelite Bullet Heaven Arena Autoshooter with Doom-inspired gore vibes, metal music, and a satisfying combat feel. Wield five weapons at once, upgrade and merge them to forge indestructible builds, and bring divine justice to a world on the brink of chaos.