Single-player games like Boss of this gym
Below are 12 single-player Steam games similar to Boss of this gym, 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 Boss of this gym page.
Ranked picks
- 1

Speedonauts
Single-player alternative to Boss of this gym — playable solo, no multiplayer required. Shares Action with Boss of this gym.
Compete against the galaxy in this fast-paced speedrunning game. Create and share levels. Break records. Be the best.
- 2

HYPER PRIMATE
Single-player alternative to Boss of this gym — playable solo, no multiplayer required. Shares Action and Indie with Boss of this gym.
Speedrun as a HYPER FAST Ape in this parkour focused FPS. Dash, grapple, and blast through deadly obstacle courses using a massive arsenal of weapons. Master momentum, dodge death, and DOMINATE the leaderboards.
- 3

Sportvida CyberDash
Single-player alternative to Boss of this gym — playable solo, no multiplayer required. Shares Action and Indie with Boss of this gym.
Sportvida CyberDash is a VR running game that delivers both stress relief and thrilling challenges. Set in a high-speed, futuristic world of light and technology, you’ll embark on an intense adventure where sprinting, dodging, and smashing obstacles offer an unparalleled sense of release.
- 4

Leap From Hell
Single-player alternative to Boss of this gym — playable solo, no multiplayer required. Shares Action and Indie with Boss of this gym.
In this first-person puzzle platformer you will try to figure out the right way through each level and afterwards can try to improve your timings by finiding hidden paths and secret short cuts. Your goals are to sucessfully finish a level as well as to beat the fastest time of our level designers.
- 5

Commando Hero
Single-player alternative to Boss of this gym — playable solo, no multiplayer required. Shares Indie and Casual with Boss of this gym.
Hero who wants to be a commando has to pass difficult tracks. Finish the track fast and enter the Leaderboard.
- 6

Celerity
Single-player alternative to Boss of this gym — playable solo, no multiplayer required. Shares Action and Indie with Boss of this gym.
Celerity is a fast-paced FPS parkour game. Use Wall Running, Grappling Hooks, Hookshots and many more, chain your moves and never lose momentum.
- 7

Run or Die
Single-player alternative to Boss of this gym — playable solo, no multiplayer required. Shares Action and Indie with Boss of this gym.
Run or Die is a fast paced Endless Runner that focuses on movement based abilities (and a huge Ion Cannon)! Players must make decisions in the blink of an eye in order to make their way through a hazardous city environment where every run is different!
- 8

Hirilun
Single-player alternative to Boss of this gym — playable solo, no multiplayer required. Shares Action and Indie with Boss of this gym.
Hirilun is a fast-paced first-person platformer set in a dark, strange city. Run, jump, glide, sprint and dash to achieve the best time and compete on global leaderboards. Can you beat your friends in these intense time trials?
- 9

The Incredible Adventures of Van Helsing
Single-player alternative to Boss of this gym — playable solo, no multiplayer required. Shares Action and Indie with Boss of this gym.
Put on your wide-brimmed hat, grab your weapons and embark on an incredible adventure in the gothic-noir world of Borgovia, where mad science threatens the fragile peace between monster and mortal.
- 10

Putin Life
Single-player alternative to Boss of this gym — playable solo, no multiplayer required. Shares Action and Indie with Boss of this gym.
Putin Life - a game that allows you to feel not only the leader of the Russian Federation, but perhaps the Lord of the world.Rob, steal, enslave.
- 11

Russian Train Trip
Single-player alternative to Boss of this gym — playable solo, no multiplayer required.
Traveling on passenger trains in Russia. First-person exploration.
- 12

Putin VS Zombies
Single-player alternative to Boss of this gym — playable solo, no multiplayer required. Shares Indie and Casual with Boss of this gym.
Zombies! The world was overtaken by the forces of Evil worse than ones from the ♂deep dark fantasies♂. But Putin is here to save the day and kisk some ♂***♂. Region by region, you must fight the ♂Slaves♂ of evil with Billy, Obama and your own army of defenders by your side. Primo Victoria!