Single-player games like Maniac
Below are 17 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
Slime 3K: Rise Against Despot
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and Indie with Maniac.
Welcome to Slime 3K, an unhinged roguelite bullet-heaven set in the Despot’s Game universe! Build a deck of crazy weapons, grow stronger and devour hordes of pink puny humans as a murderous jelly blob on a warpath of death, violence and pretzels.
- 2
Mega City Force
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and Indie with Maniac.
Retrowave Action Roguelike featuring tough agents battling crime to the electrifying music of artists like Droid Bishop, Timecop1983, and more! Choose your agent and dive into hardcore action against enemies and bosses, utilizing a vast arsenal and special abilities that will define your playstyle
- 3
Champion Shift
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action with Maniac.
Unleash mighty Champions in this thrilling co-op bullet heaven. Shift into battle, create builds with unique abilities, and battle endless enemies to stop the Dominion's path of conquest. Rev through high octane missions, conquer epic bosses, and become an absolute legend!
- 4
Neon Chrome
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and Indie with Maniac.
A masterful combination of top-down shooter and endless replayability with procedural levels. Blast your way through walls & enemies with guns and cybernetic abilities. Install perks from cyber chambers and upgrade your character stats after each death. Can you stop the Overseer?
- 5
FatalZone
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and Indie with Maniac.
FatalZone is an auto shooter with roguelike and RPG elements set in a savage world of zombies. Exterminate zombie hordes, collect resources, upgrade your camp, and level up mercenaries. Humanity must survive at any cost!
- 6
Nuclear Throne
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action and Indie with Maniac.
Nuclear Throne is a post-apocalyptic roguelike-like top-down shooter. Not 'the final hope of humanity' post-apocalyptic, but 'humanity is extinct and mutants and monsters now roam the world' post-apocalyptic. Can you reach the Nuclear Throne?
- 7
Achilles: Survivor
Single-player alternative to Maniac — playable solo, no multiplayer required. Shares Action with Maniac.
Thousands of enemies. One survivor. Fight like a demigod, build deadly defenses, and grow stronger after every run in this fast-paced bullet heaven set in mythic Greece.
- 8
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.
- 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
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.
- 12
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?
- 13
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.
- 14
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
- 15
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.
- 16
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.
- 17
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.