Free games like Assimilation X
Below are 9 free-to-play Steam games similar to Assimilation X, 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 Assimilation X page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Assimilation X — no purchase or trial window. Shares Action with Assimilation X.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
ENA: Dream BBQ
Free-to-play alternative to Assimilation X — no purchase or trial window. Shares Adventure with Assimilation X.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
- 3
Indigo Park: Chapter 1
Free-to-play alternative to Assimilation X — no purchase or trial window. Shares Action and Adventure with Assimilation X.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
- 4
STRAFTAT
Free-to-play alternative to Assimilation X — no purchase or trial window. Shares Action with Assimilation X.
STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.
- 5
The Looker
Free-to-play alternative to Assimilation X — no purchase or trial window.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
- 6
![UNBEATABLE [white label] — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/1290490/header.jpg?t=1736770503)
UNBEATABLE [white label]
Free-to-play alternative to Assimilation X — no purchase or trial window. Shares Action and Adventure with Assimilation X.
A young girl learns a song. An exclusive side-story set in the world of D-CELL GAMES' upcoming rhythm-adventure.
- 7
Star Fetchers
Free-to-play alternative to Assimilation X — no purchase or trial window. Shares Action and Adventure with Assimilation X.
The introduction to a wild ride with gangsters and deep state conspiracy theories
- 8
Dagon: by H. P. Lovecraft
Free-to-play alternative to Assimilation X — no purchase or trial window. Shares Adventure and Casual with Assimilation X.
Face unspeakable horrors. Succumb to madness. Welcome to a free daemonic narrative experience inspired by H. P. Lovecraft.
- 9
Pizza Synthwave
Free-to-play alternative to Assimilation X — no purchase or trial window. Shares Action and Adventure with Assimilation X.
You’re a parkouring astronaut in a retro-neon dreamlike world hurling trough the vastness of space in order to get the last slice of pizza. Wallrun, jump, climb, use your grappling hook and portals to get the fastest time! For fans of Mirror's Edge, Beat Saber and CS:GO Surfing.