Free games like Boost
Below are 8 free-to-play Steam games similar to Boost, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Boost page.
Ranked picks
- 1

Brief Karate Foolish
Free-to-play alternative to Boost — no purchase or trial window. Shares Action and Indie with Boost.
Here comes a new epic of live action fighting game!! With 60fps smooth action, sexy and deadly guys fly into air and bounces their flab!
- 2

Aimlabs
Free-to-play alternative to Boost — no purchase or trial window. Shares Action and Indie with Boost.
Aimlabs is the aim trainer of choice for over 45 Million players, from beginners to esports pros. Our unique aim analysis optimizes your gameplay, targets your weaknesses & builds key skills for any FPS game! Time to warm up with our unlimited scenarios & rank up in-game!
- 3

Rec Room
Free-to-play alternative to Boost — no purchase or trial window. Shares Casual with Boost.
Rec Room is the best place to build and play games together. Party up with friends from all around the world to chat, hang out, explore MILLIONS of player-created rooms, or build something new and amazing to share with us all.
- 4

Fishing Planet
Free-to-play alternative to Boost — no purchase or trial window. Shares Sports with Boost.
Fishing Planet® is a free-to-play and highly realistic first-person online multiplayer fishing simulator. Developed by avid fishing enthusiasts to bring you the full thrill of actual angling on your PC.
- 5

Blackwake
Free-to-play alternative to Boost — no purchase or trial window. Shares Action and Indie with Boost.
Blackwake is a multiplayer naval FPS focused on teamwork and cooperation. Fire the cannons, sink enemy ships or board them with firearms and steel.
- 6

TrackMania Nations Forever
Free-to-play alternative to Boost — no purchase or trial window.
A free game in the truest sense of the word, TrackMania Nations Forever lets you drive at mind-blowing speeds on fun and spectacular tracks in solo and multiplayer modes.TrackMania Nations Forever offers a new "Forever" version of the Stadium environment, a solid solo mode and 65 brand new, progressively challenging tracks.
- 7

Darwin Project
Free-to-play alternative to Boost — no purchase or trial window. Shares Action and Indie with Boost.
In Darwin Project, ten inmates must survive the elements, track each other, fight, craft tools, and use their social skills to be the last one standing. It's a unique take on battle royale with a Show Director to influence the match and Spectator Interactions to create a one-of-a-kind game show.
- 8

Just Act Natural
Free-to-play alternative to Boost — no purchase or trial window. Shares Action and Indie with Boost.
Just Act Natural is a hand-crafted online party game where players must hide among NPC characters to avoid detection from the seeker. Compete against your friends in a variety of game modes over a course of different rounds to be crowned the winner!