Single-player games like Maniac
Below are 19 single-player Steam games similar to Maniac, 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 Maniac page.
Ranked picks
- 1
Demons are coming!
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and Indie with Maniac.
Demons are coming! is a bullet hell rougelite shooter where you fight a high variety of demons that occupied your holy land. Use the upgrades you find to your advantage and create your ideal guns to help you kill the most terrifying monsters.
- 2
Earl vs. the Mutants
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and RPG with Maniac.
Save humanity in a mutant-ridden apocalypse! Dive headfirst into Earl vs. the Mutants, a high-octane top-down survival action-roguelite set in the aftermath of a nuclear apocalypse.
- 3
NIMRODS
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and Indie with Maniac.
Assemble a limitless arsenal in this survive-em-up roguelite shooter. As a Gun Manufacturer's testing force, your mission is simple: test the latest gun tech and scavenge alien planets. Collect insane weapon parts to invent crazy guns that slay thousands. You may not survive, but your guns will!
- 4
SNAKE FARM
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and Indie with Maniac.
A top-down action roguelike about buying snakes, fighting them, selling their oil, and buying more snakes. Upgrade your weapons, get stronger snakes to fight, and chase down a high score with only ten days to live.
- 5
UltraGoodness 2
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and Indie with Maniac.
The struggle between Good and Evil continues in this bloody action, top-down action-roguelike shooter where time moves only when you move or shoot. Tear Satan's forces to pieces, leave oceans of their blood and mountains of demon's corpses in the name of Goodness!
- 6
Greedland
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and Indie with Maniac.
"Greedland” is a roguelike game mixed with survivor-like elements. It's reminiscent of Crimsonland and Vampire Survivors, and as the battle progresses your character will become a mobile arsenal of destruction!
- 7
Nebula
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and Indie with Maniac.
Survive in the deep void of the galaxy against thousands of invaders! Nebula is a challenging bullet hell, twin stick shooter where you have to face endless waves of space enemies. Additional map resources and space drones can provide you a support but be wary, they can as well become a deadly trap.
- 8
Yet Another Zombie Survivors
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and Indie with Maniac.
The Horde is coming but you're ready to fight it! Assemble your team and decide upon their enhancements to find the most efficient synergies against thousands of the undead. Survive. Then evolve. Then break all the limits in this deceivingly simple but addictive bullet heaven game.
- 9
POSTAL
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and Indie with Maniac.
Take control of The POSTAL Dude in his infamous first outing as he battles to survive in a world gone mad! POSTAL is a classic isometric shooter filled to the brim with fast-paced explosive action.
- 10
Vampire Survivors
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and Indie with Maniac.
Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!
- 11
Hatred
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and Indie with Maniac.
Hatred is a violent twin-stick shooter, in which you take the role of The Antagonist fighting against all of humanity.
- 12
Rain Island
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and Indie with Maniac.
Rain Island is a one small hold & Gun, boss Rush mini-game of Casual difficulty.
- 13
Brotato
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and Indie with Maniac.
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.
- 14
King Arthur's Gold
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and Indie with Maniac.
Would you enjoy building CASTLES, traps and siege machines in MULTIPLAYER? And then undermine your opponents castle and collapse it with 2D PHYSICS & DESTRUCTION?
- 15
BUTCHER
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and Indie with Maniac.
BUTCHER is a fast-paced, blood-soaked 2D shooter where carnage is the only way forward. Become a ruthless cyborg tasked with eradicating humanity, leaving nothing but blood, guts, and destruction in your wake. There's no such thing as too much violence in this grim, retro-styled gorefest.
- 16
Jackal
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and Indie with Maniac.
Execute ultra-violent raids in 1970s casino hotels. Take down the Las Vegas mob as a drug super-powered hitman in physics-fueled top-down close combat
- 17
Soldat 2
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and Indie with Maniac.
Soldat 2 is a 2D deathmatch shooter with real guns, ragdoll violence and physics-based movement. Based on classic Soldat with team game modes, ranked multiplayer, bots and built-in customization and level editing. Made by MM - creator of the original.
- 18
Trench Run
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and Indie with Maniac.
Trench Run is a mayhem-filled, laugh a minute casual 4-player action game brought to you by the makers of King Arthur’s Gold and Soldat.
- 19
Soldat
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and Indie with Maniac.
Soldat is a unique 2D (side-view) multiplayer action game. Soldiers fight against each other in 2D battle arenas using a deadly arsenal of military weapons, across 7 default game modes.