Single-player games like Space SEX
Below are 16 single-player Steam games similar to Space SEX, 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 Space SEX page.
Ranked picks
- 1
Love and Sex: Second Base
Single-player alternative to Space SEX — playable solo, no multiplayer required. Shares Simulation with Space SEX.
Become roommates with two gorgeous girls and explore the largest hand-drawn 18+ dating sim ever. Level up your stats, sharpen your game, and roam the city to seduce scores of unique waifus & find your soulmate(s). Play your cards right, and your days will be filled with nothing but love… and sex!
- 2
UncleNeighbor:uncle Dating Simulator
Single-player alternative to Space SEX — playable solo, no multiplayer required. Shares Simulation with Space SEX.
You can play as a newcomer to the town starting a new life and date the 12 uncles
- 3
Lust Theory - Season 1
Single-player alternative to Space SEX — playable solo, no multiplayer required. Shares Simulation with Space SEX.
Lust Theory is an adult Visual Novel in which you take control of a 20-year-old guy whose life is turned upside down when he finds out the same day is repeating. The game is packed with sex, humor, romance, drama and mystery.
- 4
The Seven Realms - Realm 1: Terran
Single-player alternative to Space SEX — playable solo, no multiplayer required. Shares Simulation with Space SEX.
The Seven Realms is a fantasy, story-driven, adult visual novel where your choices will shape the fate of the Realms and the people around you. Will you be a Fair or a Strong Ruler? Will fate be enough for you, or will you want more? The choices are yours to make.
- 5
HoneySelect2Libido DX
Single-player alternative to Space SEX — playable solo, no multiplayer required. Shares Simulation with Space SEX.
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!
- 6
SEX Airlines 🔞✈️
Single-player alternative to Space SEX — playable solo, no multiplayer required. Shares Simulation with Space SEX.
Welcome aboard SEX Airlines 🔞✈️ - an adult visual novel where you shape the story of professional pilot Arthur and people around him!
- 7
Helping the Hotties
Single-player alternative to Space SEX — playable solo, no multiplayer required. Shares Simulation with Space SEX.
Helping the Hotties is a unique adult visual novel harem game filled with gorgeous girls, humor, exciting secrets, and spicy romance set in a hot summer. It’s time to enjoy your summer in a whole new way.
- 8
Projekt: Passion - Season 2
Single-player alternative to Space SEX — playable solo, no multiplayer required. Shares Simulation with Space SEX.
Continue the story of Projekt: Passion. Now with EVEN MORE sex, comedy, sex, and all those things that everyone loves. Continue your fun-filled space adventure and continue developing your relationships with the girls you've come to know and love.
- 9
SinVR
Single-player alternative to Space SEX — playable solo, no multiplayer required. Shares Simulation with Space SEX.
ENTER the Forbidden World of SinVR. Fulfill your sexual fantasies in your own private dungeon. With a growing library of characters and environments, SinVR is the destination for amusing adult entertainment, in VR or on your PC.
- 10
Fright Night Sex Fest
Single-player alternative to Space SEX — playable solo, no multiplayer required. Shares Simulation with Space SEX.
This is no Hack-n-slash... this is HACK 'N FLASH! Dark and stormy nights are filled with cock-starved, horny frights. Leave your Carnal Fear behind, on this Night of the Giving Head!
- 11
Girl Next Door
Single-player alternative to Space SEX — playable solo, no multiplayer required. Shares Simulation with Space SEX.
A naughty anthology of domestic encounters gone wild. In this 3D Visual Novel/Sim hybrid, you’ll get to know the neighbors reaaal well. Every inch of them!
- 12
Costume Party
Single-player alternative to Space SEX — playable solo, no multiplayer required. Shares Simulation with Space SEX.
Imagine a party, where you travel through time and space, to be with the girls you’ve only dreamt about! Visit a distant desert, slay the sea, walk the wildside. Is it really happening, or is it just your fantasy?
- 13
Bambie
Single-player alternative to Space SEX — playable solo, no multiplayer required. Shares Simulation with Space SEX.
Enjoy an approachable erotic simulator that boasts immersive character physics and supports on-the-fly changes. Gameplay is quick to pick up and hard to put down. Get up close and personal as you configure your Bambie doll into the perfect positions for a fashion-tastical climax!
- 14
Futa Tales
Single-player alternative to Space SEX — playable solo, no multiplayer required. Shares Simulation with Space SEX.
Futa Tales, Woo-oo! These ladies are packing HEAT! Explore the depths of Futa City, to uncover hidden tales of the taboo. When the clothes start flying off, prepare to get a whole lot more immersive!
- 15
Costume Fighter
Single-player alternative to Space SEX — playable solo, no multiplayer required. Shares Simulation with Space SEX.
Get ready to brawl in this side-splitting showdown where fighters don't just bring their fists to the fight, but their wackiest costumes and zaniest moves.
- 16
Fetish Club
Single-player alternative to Space SEX — playable solo, no multiplayer required. Shares Simulation with Space SEX.
Latex, Leather and Chains: Explore you deepest Fetish Fantasies!