Free games like Sex Formula
Below are 8 free-to-play Steam games similar to Sex Formula, 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 Sex Formula page.
Ranked picks
- 1
Doki Doki Literature Club!
Free-to-play alternative to Sex Formula — no purchase or trial window. Shares Indie with Sex Formula.
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
Helltaker
Free-to-play alternative to Sex Formula — no purchase or trial window. Shares Indie with Sex Formula.
Helltaker is a short game about sharply dressed demon girls.
- 3
Ultimate Custom Night
Free-to-play alternative to Sex Formula — no purchase or trial window. Shares Indie with Sex Formula.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 4
Bongo Cat
Free-to-play alternative to Sex Formula — no purchase or trial window. Shares Indie with Sex Formula.
Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?
- 5
The Murder of Sonic the Hedgehog
Free-to-play alternative to Sex Formula — no purchase or trial window. Shares Indie with Sex Formula.
Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!
- 6
Our Life: Beginnings & Always
Free-to-play alternative to Sex Formula — no purchase or trial window. Shares Indie with Sex Formula.
A twenty-dollar bill, four summers, fifteen years, and a one of a kind life. Create an experience that’s all your own in this near-fully customizable visual novel where you grow from childhood to adulthood with the lonely boy next door.
- 7
Counter-Strike:Global Offensive
Free-to-play alternative to Sex Formula — no purchase or trial window.
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.).
- 8
missed messages.
Free-to-play alternative to Sex Formula — no purchase or trial window. Shares Indie with Sex Formula.
‘goth gf’s iPhone’ airdrops you - accept or decline? A love/horror story about life, death, & memes.