Free games like Luna Abyss
Below are 9 free-to-play Steam games similar to Luna Abyss, 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 Luna Abyss page.
Ranked picks
- 1

Doki Doki Literature Club!
Free-to-play alternative to Luna Abyss — no purchase or trial window. Shares Indie with Luna Abyss.
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

Life is Strange - Episode 1
Free-to-play alternative to Luna Abyss — no purchase or trial window. Shares Action and Adventure with Luna Abyss.
Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.
- 3

Ultimate Custom Night
Free-to-play alternative to Luna Abyss — no purchase or trial window. Shares Action and Indie with Luna Abyss.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 4

ENA: Dream BBQ
Free-to-play alternative to Luna Abyss — no purchase or trial window. Shares Indie and Adventure with Luna Abyss.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
- 5

Indigo Park: Chapter 1
Free-to-play alternative to Luna Abyss — no purchase or trial window. Shares Action and Indie with Luna Abyss.
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.
- 6

STRAFTAT
Free-to-play alternative to Luna Abyss — no purchase or trial window. Shares Action with Luna Abyss.
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.
- 7

The Looker
Free-to-play alternative to Luna Abyss — no purchase or trial window. Shares Indie with Luna Abyss.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
- 8

Counter-Strike:Global Offensive
Free-to-play alternative to Luna Abyss — no purchase or trial window. Shares Action with Luna Abyss.
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

Atomic Brain
Free-to-play alternative to Luna Abyss — no purchase or trial window. Shares Action and Indie with Luna Abyss.
Immerse yourself in the dark, industrial world of Atomic brain, a dynamic shooter where every bullet counts, and survival depends on your reaction and accuracy.