Free games like Celestial Impact Invasion
Below are 10 free-to-play Steam games similar to Celestial Impact Invasion, 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 Celestial Impact Invasion page.
Ranked picks
- 1
Doki Doki Literature Club!
Free-to-play alternative to Celestial Impact Invasion — no purchase or trial window. Shares Indie with Celestial Impact Invasion.
The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.
- 2
Ultimate Custom Night
Free-to-play alternative to Celestial Impact Invasion — no purchase or trial window. Shares Action and Indie with Celestial Impact Invasion.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 3
ENA: Dream BBQ
Free-to-play alternative to Celestial Impact Invasion — no purchase or trial window. Shares Indie with Celestial Impact Invasion.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
- 4
Indigo Park: Chapter 1
Free-to-play alternative to Celestial Impact Invasion — no purchase or trial window. Shares Action and Indie with Celestial Impact Invasion.
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.
- 5
STRAFTAT
Free-to-play alternative to Celestial Impact Invasion — no purchase or trial window. Shares Action with Celestial Impact Invasion.
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.
- 6
The Looker
Free-to-play alternative to Celestial Impact Invasion — no purchase or trial window. Shares Indie with Celestial Impact Invasion.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
- 7
Sheepy: A Short Adventure
Free-to-play alternative to Celestial Impact Invasion — no purchase or trial window. Shares Indie with Celestial Impact Invasion.
A Short Handcrafted Pixel Art Platformer that follows Sheepy, an abandoned plushy brought to life. Sheepy: A Short Adventure is the first short game from MrSuicideSheep.
- 8
Counter-Strike:Global Offensive
Free-to-play alternative to Celestial Impact Invasion — no purchase or trial window. Shares Action with Celestial Impact Invasion.
Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
- 9
GUNWATCH: Conflict Survival
Free-to-play alternative to Celestial Impact Invasion — no purchase or trial window. Shares Action and Indie with Celestial Impact Invasion.
1-16 Player COMBAT ZONE & 1-4 Player COOP Zombie Wave Survival in Comic style. Singleplayer and Multiplayer Playthrough. Get ready for GUNWATCH: Conflict Survival!
- 10
DarkenDerek The last Fallen
Free-to-play alternative to Celestial Impact Invasion — no purchase or trial window. Shares Action and Indie with Celestial Impact Invasion.
Play the role of an insane being apish looking and face a new threat. Arm yourself to the teeth and prevent aliens to kidnap our beloved woman. Kick back invaders to their own galaxy or kill them all! Will you be able to save all girls bringing peace again in Club City?