Single-player games like Absolute Insanity
Below are 11 single-player Steam games similar to Absolute Insanity, 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 Absolute Insanity page.
Ranked picks
- 1
KILL KNIGHT
Single-player alternative to Absolute Insanity — playable solo, no multiplayer required. Shares Action with Absolute Insanity.
KILL KNIGHT is an ultra-responsive arcade-inspired isometric action shooter. Condemned to eternal sufferance, deep within the voids of an eldritch arena, you must wield an arsenal of devastating weaponry to obliterate swarms of otherworldly horrors - and MASTER THE DEMON WITHIN.
- 2
DOOM 3
Single-player alternative to Absolute Insanity — playable solo, no multiplayer required. Shares Action with Absolute Insanity.
A demonic invasion has overwhelmed the Union Aerospace Corporation's Mars research facility. As one of only a few survivors, you must fight your way to hell and back against a horde of demons in this award-winning horror/action FPS and reimagining of the original DOOM.
- 3
HELLBREAK
Single-player alternative to Absolute Insanity — playable solo, no multiplayer required. Shares Action with Absolute Insanity.
HELLBREAK is a fast-paced roguelite, survivor-like FPS where you fight through escalating waves in brutal arenas in Hell. Build powerful loadouts, earn favor from demon lords to unlock new gear, and climb the leaderboards for your salvation.
- 4
Nasty Zombies
Single-player alternative to Absolute Insanity — playable solo, no multiplayer required. Shares Action with Absolute Insanity.
Team up with up to 4 players and take on endless waves of Nasty Zombies in a high-intensity, movement-focused boomer shooter. Use agility and smart positioning to survive semi-procedural maps and unlock permanent upgrades like Blessings, Miracles, and cosmetics.
- 5
Backrooms Society
Single-player alternative to Absolute Insanity — playable solo, no multiplayer required. Shares Action with Absolute Insanity.
Backrooms Society is a 1-8 player co-op horror game. Make your way through unique levels of the backrooms while trying to survive and avoid mysterious entities. Scavenge each level for gear and resources, bring it back to The Hub where you can sell valuables and buy/craft new gear.
- 6
Teleglitch: Die More Edition
Single-player alternative to Absolute Insanity — playable solo, no multiplayer required. Shares Action with Absolute Insanity.
In a cold, dark future dominated by mega-corporations, a small lonely planet on the edge of habitable space is the site of a shadowy research facility specializing in necrotic tissue reactivation. You are a scientist who has suddenly awoken to the realization that you are the lone survivor.
- 7
Devil Daggers
Single-player alternative to Absolute Insanity — playable solo, no multiplayer required. Shares Action with Absolute Insanity.
Devil Daggers is a fast-paced shooter that places you in an abyssal arena to face endless legions of demons. Armed with versatile magic daggers and a fluid movement system, fight to survive as long as you can.
- 8
Broventure: The Wild Co-op
Single-player alternative to Absolute Insanity — playable solo, no multiplayer required. Shares Action with Absolute Insanity.
Broventure = Vampire Survivors + Base building + Co-op. Band together with friends and obliterate hordes of grueling enemies, gather crucial resources, and transform your camp into a sanctuary of liberation.
- 9
The Indigo Parallel
Single-player alternative to Absolute Insanity — playable solo, no multiplayer required. Shares Action with Absolute Insanity.
A surreal mind-bending journey into the depths of madness. You assume the role of Tom, a man hopelessly in love with Daisy, who embarks on a psychedelic adventure through a bizarre and unpredictable world.
- 10
Alpha Locus VR
Single-player alternative to Absolute Insanity — playable solo, no multiplayer required. Shares Action with Absolute Insanity.
Alpha Locus VR is a horror wave based shooter for the HTC Vive (PC). You can fight through various waves using both melee weapons and guns. As an immersive shooter, this game is scary and fun. This game is in the Alpha stage of production.
- 11
Zombie Liminal Fishing
Single-player alternative to Absolute Insanity — playable solo, no multiplayer required. Shares Action with Absolute Insanity.
Eliminate zombies in eerie liminal spaces. Gather zombie meat as bait for fish and sell your catch. Use the cash to upgrade weapons, unlock transportation devices, and access new zones. Repeat.