Single-player games like Fatberg
Below are 11 single-player Steam games similar to Fatberg, 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 Fatberg page.
Ranked picks
- 1
CULTIC
Single-player alternative to Fatberg — playable solo, no multiplayer required. Shares Action and Indie with Fatberg.
Death is only the beginning. Crawl from your grave and gear up to fight your way through the ranks of a mysterious and twisted cult. You, your guns, and your dynamite will have to shoot, slide, blast, duck, dodge, and maybe throw a gib or two to survive in this old-school-inspired shooter.
- 2
HROT
Single-player alternative to Fatberg — playable solo, no multiplayer required. Shares Action and Indie with Fatberg.
HROT is a single-player retro FPS set in a small socialist country neighboring Soviet Union (Czechoslovakia) after an unspecified disaster in 1986. Those times were dark and terrifying and so is the game.
- 3
Ion Fury
Single-player alternative to Fatberg — playable solo, no multiplayer required. Shares Action and Indie with Fatberg.
3D Realms, creators of Duke Nukem 3D, Prey, and Max Payne, team up with Voidpoint to bring back the legendary Build Engine, famous for classic shooters like Duke Nukem 3D, Shadow Warrior, and Blood. Fast-paced FPS combat across huge, secret-packed levels. Ion Fury is the real deal!
- 4
Trepang2
Single-player alternative to Fatberg — playable solo, no multiplayer required. Shares Action and Indie with Fatberg.
Become the ultimate badass in Trepang2: A gory, action-packed FPS set in the near future. Unleash all hell on your enemies, dodge bullets and leave a trail of destruction in this hardcore and frenetic shooter.
- 5
WRATH: Aeon of Ruin
Single-player alternative to Fatberg — playable solo, no multiplayer required. Shares Action with Fatberg.
Blast, slice and shred through your enemies in this hardcore FPS inspired by the icons of the '90s, powered by the legendary Quake-1 Tech. Taking place in a realm left to rot, take up arms, unearth long-forgotten secrets and hunt down the Guardians of the Old World.
- 6
Warhammer 40,000: Boltgun
Single-player alternative to Fatberg — playable solo, no multiplayer required. Shares Action and Indie with Fatberg.
Load up your Boltgun and unleash the awesome Space Marine arsenal to blast your way through an explosion of sprites, pixels and blood in a perfect blend of Warhammer 40,000, frenetic gameplay and the stylish visuals of 90’s retro shooters.
- 7
DOOM II
Single-player alternative to Fatberg — playable solo, no multiplayer required. Shares Action with Fatberg.
Hell has invaded Earth, and to save it, you must battle mightier demons with even more powerful weapons. This beloved sequel to the groundbreaking DOOM (1993) introduced players to the brutal Super Shotgun, the infamous Icon of Sin boss, and more intense FPS action.
- 8
Dread Templar
Single-player alternative to Fatberg — playable solo, no multiplayer required. Shares Action and Indie with Fatberg.
Dread Templar is a fast-paced hardcore old-school FPS, combining classic 90s shooter and modern FPS elements. Unlock and combine dozens of weapon upgrades and skills, embrace the Dread Force and obliterate hordes of fiendish enemies. Become the scariest thing in hell and get your revenge!
- 9
FISHERY
Single-player alternative to Fatberg — playable solo, no multiplayer required. Shares Indie and Casual with Fatberg.
Fishery is a stylized aquarium simulation game. Harness your creativity to build and maintain beautiful aquatic habitats. Then relax and watch your beautiful fish enjoy their home.
- 10
Revenge Of The Colon
Single-player alternative to Fatberg — playable solo, no multiplayer required. Shares Indie and Casual with Fatberg.
Revenge of the colon is a story driven, single-player, atmospheric, body horror game with multiple endings. Perform colonoscopies on five patients and discover the horrors concealed deep within them. PS1 horror style!
- 11
La Galerie des Toilettes
Single-player alternative to Fatberg — playable solo, no multiplayer required. Shares Indie and Casual with Fatberg.
Explore a museum containing the word's greatest collection of toilet art.