Free games like ProjectX
Below are 9 free-to-play Steam games similar to ProjectX, 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 ProjectX page.
Ranked picks
- 1
The Lab
Free-to-play alternative to ProjectX — no purchase or trial window.
Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!
- 2
Landfall Archives
Free-to-play alternative to ProjectX — no purchase or trial window.
Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!
- 3
SuchArt: Creative Space
Free-to-play alternative to ProjectX — no purchase or trial window.
Paint on any surfaces with numerous tools in Creative Space — a free sandbox version of SuchArt: Genius Artist Simulator. Create masterpieces, complete commissions, and decorate your studio in the most advanced artist sim!
- 4
Jigsaw Puzzle Dreams
Free-to-play alternative to ProjectX — no purchase or trial window.
Beautiful Multiplayer Jigsaw Puzzle game where you can design the room you play in!
- 5
Aimlabs
Free-to-play alternative to ProjectX — no purchase or trial window.
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!
- 6
Rec Room
Free-to-play alternative to ProjectX — no purchase or trial window.
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.
- 7
Totally Accurate Battlegrounds
Free-to-play alternative to ProjectX — no purchase or trial window.
Grab your balloon crossbow and trusty inflatable hammer, because things are about to get wobbly! Be the last weirdo standing in the world-leading physics-based Battle Royale game.
- 8
Crusader Kings II
Free-to-play alternative to ProjectX — no purchase or trial window.
Explore one of the defining periods in world history in an experience crafted by the masters of Grand Strategy.
- 9
Mash Box
Free-to-play alternative to ProjectX — no purchase or trial window.
Mash Box is a prototype sandbox game from an indie team, offering endless creative possibilities. Be part of its evolution with regular updates and help shape the tech foundation for future games. Dive in and influence the development of something special!