Single-player games like The Mystery of Happyville
Below are 10 single-player Steam games similar to The Mystery of Happyville, 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 The Mystery of Happyville page.
Ranked picks
- 1
BULLETLINE
Single-player alternative to The Mystery of Happyville — playable solo, no multiplayer required. Shares Action and Indie with The Mystery of Happyville.
Welcome to a world where ninjas, spec-ops agents, chefs, cowboys, princesses, and the wretched hag do battle with automatic assault weapons and high-powered rifles - BULLETLINE is the ultimate combat-focused, team-based, local-multiplayer game-mode-royale.
- 2
World War Party: Game Of Trump
Single-player alternative to The Mystery of Happyville — playable solo, no multiplayer required. Shares Action and Indie with The Mystery of Happyville.
World War Party: Game of Trump is a deathmatch battle played by two teams of 4 players each (humans or bots). But the teams are not alone on the battlefield: PRESIDENT TRUMP drives around in his mighty ‘murican tank shooting lasers and talking nonsense.
- 3
Ben and Ed - Blood Party
Single-player alternative to The Mystery of Happyville — playable solo, no multiplayer required. Shares Action and Indie with The Mystery of Happyville.
Welcome to the Blood Party! Play together with up to 3 people and compete in deadly game shows. Customize your zombie, build your own levels, share them via Steam Workshop and die a lot.
- 4
Mother Russia Bleeds
Single-player alternative to The Mystery of Happyville — playable solo, no multiplayer required. Shares Action and Indie with The Mystery of Happyville.
An old-fashioned beat 'em up with big doses of adrenaline and trippiness, somewhere between the classic style of Streets of Rage and the ultra-violence of Hotline Miami. Set in a cold, ruthless Soviet Union, Mother Russia Bleeds aims to conjure up anxiety, unease, and drug-addled frenzy.
- 5
Gears 5
Single-player alternative to The Mystery of Happyville — playable solo, no multiplayer required. Shares Action and Adventure with The Mystery of Happyville.
From one of gaming’s most acclaimed sagas, Gears is bigger than ever. With all-out war descending, Kait Diaz breaks away to uncover her connection to the enemy and discovers the true danger to Sera – herself.
- 6
Mutant Football League
Single-player alternative to The Mystery of Happyville — playable solo, no multiplayer required. Shares Action and Indie with The Mystery of Happyville.
Mutants and monsters unleash maniacal carnage on the gridiron in this crazy gore fest of arcade-style football. Packed full of humor, intense online multiplayer action, and strategy.
- 7
Wulverblade
Single-player alternative to The Mystery of Happyville — playable solo, no multiplayer required. Shares Action and Indie with The Mystery of Happyville.
Defeat the Ninth Legion of the Roman army in this side-scrolling, arcade-inspired beat 'em up set in Roman-era Britain.
- 8
DIRT 5
Single-player alternative to The Mystery of Happyville — playable solo, no multiplayer required. Shares Action and Adventure with The Mystery of Happyville.
DIRT 5 is a fun, amplified, off-road arcade racing experience created by Codemasters. Blaze a trail on routes across the world, covering gravel, ice, snow and sand, with a roster of cars ranging from rally icons to trucks, to GT heroes.
- 9
Street Lords
Single-player alternative to The Mystery of Happyville — playable solo, no multiplayer required. Shares Action and Indie with The Mystery of Happyville.
Procedurally-generated gang warfare meets turn-based strategy and FPS action to deliver an immersive, brutal, endlessly-replayable strategic-shooter - generate your city, customise your gangs, and fight in first person on bloody urban battlefields.
- 10
Too Many Weapons
Single-player alternative to The Mystery of Happyville — playable solo, no multiplayer required. Shares Action and Indie with The Mystery of Happyville.
Too Many Weapons is a local multiplayer arena combat game where anything and everything is a weapon! Featuring a huge variety of objects, outfits, and maps!