Free games like X3: Reunion
Below are 8 free-to-play Steam games similar to X3: Reunion, 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 X3: Reunion page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to X3: Reunion — no purchase or trial window.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
The Lab
Free-to-play alternative to X3: Reunion — 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!
- 3
DORONKO WANKO
Free-to-play alternative to X3: Reunion — no purchase or trial window.
『DORONKO WANKO』 is a DORONKO Action Game. In this game, You can become a cute, innocent Pomeranian, make your master's home messy and dirty. "Will the master be angry with me?" Don't worry. Because you are a sweet doggie.
- 4
Landfall Archives
Free-to-play alternative to X3: Reunion — no purchase or trial window. Shares Strategy with X3: Reunion.
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!
- 5
The Riftbreaker: Prologue
Free-to-play alternative to X3: Reunion — no purchase or trial window. Shares Strategy with X3: Reunion.
The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.
- 6
Warframe
Free-to-play alternative to X3: Reunion — no purchase or trial window.
Awaken as an unstoppable warrior and battle alongside your friends in this story-driven free-to-play online action game
- 7
Unturned
Free-to-play alternative to X3: Reunion — no purchase or trial window.
You're a survivor in the zombie infested ruins of society, and must work with your friends and forge alliances to remain among the living.
- 8
Rec Room
Free-to-play alternative to X3: Reunion — 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.