Single-player games like Sex Formula
Below are 8 single-player Steam games similar to Sex Formula, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Sex Formula page.
Ranked picks
- 1
Succubus Cafe
Single-player alternative to Sex Formula — playable solo, no multiplayer required. Shares Indie with Sex Formula.
There are three girls at Succubus Café: Lilith, Eisheth, and Alice. The cafe only opens at night and customers are served by the girls. Once a succubus reaches 18 years of age… She will always look 18. All three girls are therefore adults.
- 2
PerfectLover
Single-player alternative to Sex Formula — playable solo, no multiplayer required. Shares Indie with Sex Formula.
In PerfectLover, there are three girls for players to choose from. They have different personalities and wait for the players to unlock everything about them. If they do not take safety measures, they will be pregnant.
- 3
Apprehending the Adventurer Chan! ~Live2D Tentacles Simulator~
Single-player alternative to Sex Formula — playable solo, no multiplayer required. Shares Indie with Sex Formula.
A tentacle training simulator developed specifically for experienced players. Players will control tentacles to fully train the captured adventurer-chan. All animations are rendered in full Live2D, providing immediate feedback based on various actions to satisfy your desires for tentacle training!
- 4
The Wife Next Door
Single-player alternative to Sex Formula — playable solo, no multiplayer required. Shares Indie and RPG with Sex Formula.
First-person 3D stealth action NSFW game. You have to go to the wife's room next door and set up a camera without anyone noticing. Maybe you can get away with a few pairs of fragrant underwear, and maybe there will be more unexpected developments.
- 5
Romantic Escapades
Single-player alternative to Sex Formula — playable solo, no multiplayer required. Shares RPG with Sex Formula.
"Romantic Escapades" is an ancient Chinese love simulation game. Through the development of the plot, players gradually develop relationships with various beauties in the game, and then gradually develop deeper and deeper intimate relationships.
- 6
Lust's Cupid
Single-player alternative to Sex Formula — playable solo, no multiplayer required. Shares Indie with Sex Formula.
A fully interactive sandbox where you control every detail — customize characters, pose every moment, and create your perfect scene without limits.
- 7
HoneySelect2Libido DX
Single-player alternative to Sex Formula — playable solo, no multiplayer required.
The ultimate sex simulator is here! Honey Select 2: Libido Deluxe is a love letter to making love. Engage with high-quality, fully-customizable characters in every imaginable situation. From romantic candlelight sex to the most specific kinks, Honey Select is sure to satisfy you!
- 8
コイカツ！ / Koikatsu Party
Single-player alternative to Sex Formula — playable solo, no multiplayer required.
Creating your own adorable anime character is a cinch! Use a robust suite of intuitive and precise tools to customize a character from the ground up, give her one of 30 different personality archetypes, and then get busy with a host of romantic options. Bring your dream waifu to laifu!