Single-player games like Fat Mask
Below are 10 single-player Steam games similar to Fat Mask, 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 Fat Mask page.
Ranked picks
- 1
Tumblestone
Single-player alternative to Fat Mask — playable solo, no multiplayer required. Shares Action and Indie with Fat Mask.
Tumblestone is the first original action-puzzle game of the past fifteen years -- completely reinventing the genre into a deep and cerebral puzzle solving experience that you won't forget.
- 2
Move or Die
Single-player alternative to Fat Mask — playable solo, no multiplayer required. Shares Action and Indie with Fat Mask.
Move or Die is an absurdly fast-paced 4-player local and online party game where the mechanics change every 20 seconds! It's THE friendship-ruining game.
- 3
Duck Game
Single-player alternative to Fat Mask — playable solo, no multiplayer required. Shares Action and Indie with Fat Mask.
Enter the futuristic year of 1984, an age where ducks run wild in a frantic battle for glory. Blast your friends with Shotguns, Net Guns, Mind Control Rays, Saxophones, Magnet Guns, and much, much more. This is DUCK GAME. Don't blink.
- 4
Shift Happens
Single-player alternative to Fat Mask — playable solo, no multiplayer required. Shares Action and Indie with Fat Mask.
Shift Happens is a cooperative platformer for two. You and a friend shift your mass, throw each other and puzzle your way through four stages of stylized imaginary worlds. Including the occasional backstabbing and taunting. Play with a friend on a couch, online or even special singleplayer levels.
- 5
Slime-san: Superslime Edition
Single-player alternative to Fat Mask — playable solo, no multiplayer required. Shares Action and Indie with Fat Mask.
Slime-san was minding his own business when suddenly… A giant worm appeared and gobbled him up! Deep within the worm’s belly, Slime-san has to face a decision: Be digested by the incoming wall of stomach acid... Or jump, slide and slime his way through the worm and back out its mouth!
- 6
Human Fall Flat
Single-player alternative to Fat Mask — playable solo, no multiplayer required. Shares Indie with Fat Mask.
Human Fall Flat is a hilarious, light-hearted platformer set in floating dreamscapes that can be played solo or with up to 8 players online. Free new levels keep its vibrant community rewarded.
- 7
SpeedRunners
Single-player alternative to Fat Mask — playable solo, no multiplayer required. Shares Action and Indie with Fat Mask.
Cut-throat multiplayer running game that pits 4 players against each other, locally and/or online. Run, jump, swing around, and use devious weapons and pick-ups to knock opponents off-screen! One of the most competitive games you'll ever play.
- 8
10 Second Ninja X
Single-player alternative to Fat Mask — playable solo, no multiplayer required. Shares Action and Indie with Fat Mask.
10 SECOND NINJA X is a hardcore sidescroller. You're a ninja, there are robots, you've got ten seconds to destroy them all. Get three star ratings, climb leaderboards, discover secrets and stop Captain Greatbeard.
- 9
Bloodroots
Single-player alternative to Fat Mask — playable solo, no multiplayer required. Shares Action and Indie with Fat Mask.
One-hit kill die-retry murderballet. Left for dead by a colorful band of bandits: you will chain killing sprees to exact revenge on the treacherous Mr. Black Wolf. Improvise your kills with utterly everything you can get your hands on: from carrots to plasma guns.
- 10
Tears of Metal
Single-player alternative to Fat Mask — playable solo, no multiplayer required. Shares Action and Indie with Fat Mask.
Fight solo or up to 4-player co-op to reclaim your island alongside your Scottish battalion. On each campaign, gain new powerful upgrades, rally your forces, and stop the invader as they carve into the Mother Stone to harvest its power.