Single-player games like Flatinside Simulator
Below are 8 single-player Steam games similar to Flatinside Simulator, 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 Flatinside Simulator page.
Ranked picks
- 1
Alpine Rush
Single-player alternative to Flatinside Simulator — playable solo, no multiplayer required. Shares Action and Sports with Flatinside Simulator.
Alpine Rush is an open-world survival racing game set in late 1990's Japan - where JDM culture is a way of life. You explore, race, complete quests, and build your driver through stats and skills. Tune vehicles, master tough terrain, and compete in dynamic challenges across a living alpine world.
- 2
Road To Champion: Boxing Simulator
Single-player alternative to Flatinside Simulator — playable solo, no multiplayer required. Shares Sports and Indie with Flatinside Simulator.
"Road To Champion: Boxing Simulator" is an exciting simulation of the boxing world. Shape your career, decorate your home, customize your car, and fight your way to becoming a champion!
- 3
Floorball Practice
Single-player alternative to Flatinside Simulator — playable solo, no multiplayer required. Shares Sports and Indie with Flatinside Simulator.
Run, dribble, shoot, score—repeat! Unleash your inner pro through practice and determination. Hone your Floorball skills, level up, and upgrade your gear with advanced Floorball sticks, stylish clothing, and more.
- 4
Deal & Wheeler
Single-player alternative to Flatinside Simulator — playable solo, no multiplayer required. Shares Strategy and Simulation with Flatinside Simulator.
The world's most comprehensive car selling simulation game. Build your own huge empire on the vast and high-quality open world map. Buy a car and sell a car. Improve your circle and become a great businessman. Don't give up and follow your dreams.
- 5
Rustbrook
Single-player alternative to Flatinside Simulator — playable solo, no multiplayer required. Shares Strategy and Simulation with Flatinside Simulator.
Build your own car piece by piece, tighten every bolt, work different jobs, earn money, find a place to live, and take care of your daily needs in a life simulator with a full day and night cycle.
- 6
Bodybuilder Simulator
Single-player alternative to Flatinside Simulator — playable solo, no multiplayer required. Shares Sports and Simulation with Flatinside Simulator.
Bodybuilder Simulator is a simulation game where you try to build muscle and earn money. You can train using various machines in the gym. Outside the gym, you can explore places like the market, hospital, and casino. You can also open and manage your own gym to multiply your earnings.
- 7
Horse Riding Deluxe
Single-player alternative to Flatinside Simulator — playable solo, no multiplayer required. Shares Action and Sports with Flatinside Simulator.
Explore a beautiful open world, full of horses and other animals. Or just enjoy the beautiful view while riding. In the world of Horse Riding Deluxe you and your horses have no limits. But train and care for your horses well because the various races will demand everything from you!
- 8
Denizen
Single-player alternative to Flatinside Simulator — playable solo, no multiplayer required. Shares Indie and Adventure with Flatinside Simulator.
Make a living for yourself in a city full of opportunity while you meet a variety of locals, explore unique locations, and work your way to the top in this open-world life simulator.