Single-player games like Sex Universe [18+]
Below are 14 single-player Steam games similar to Sex Universe [18+], 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 Universe [18+] page.
Ranked picks
- 1
Universe in Cum 💦 🌎
Single-player alternative to Sex Universe [18+] — playable solo, no multiplayer required. Shares Simulation and Casual with Sex Universe [18+].
Universe in Cum 💦 🌎 is an adult Visual Novel About the priggishness of a woman in space.The game begins with the protagonist Natalie flying on a scientific mission to a new planet. Her ship crashes and crashes in an unknown place.
- 2
Universe in Cum 2 💦 🌎
Single-player alternative to Sex Universe [18+] — playable solo, no multiplayer required. Shares Simulation and Casual with Sex Universe [18+].
Welcome to the captivating world of Universe in Cum 2 💦 🌎! Imagine yourself in an adult visual novel game where you are transported to a mysterious planet filled with incredible surprises.
- 3
![Cybersex Chronicles [18+] — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2421820/header.jpg?t=1760082334)
Cybersex Chronicles [18+]
Single-player alternative to Sex Universe [18+] — playable solo, no multiplayer required. Shares Indie and Simulation with Sex Universe [18+].
Immerse yourself in the sensual world of "Cybersex Chronicles [18+]", an Adult-Only 3D Dating Simulator that intertwines mystery, strategy, and explicit passion. This game blends narrative storytelling and management mechanics to create a thrilling exploration of intimacy and desire.
- 4
Cybersex: Lust Story
Single-player alternative to Sex Universe [18+] — playable solo, no multiplayer required. Shares Indie and Simulation with Sex Universe [18+].
Welcome to the world of Cybersex: Lust Story – an enthralling visual novel for adults, where you become the architect of your own destiny, interacting with a mysterious android being that encapsulates uniqueness and distinction.
- 5
Lust Galaxy 🪐 🔞
Single-player alternative to Sex Universe [18+] — playable solo, no multiplayer required. Shares Simulation and Casual with Sex Universe [18+].
Immerse yourself in the cosmic passions of Lust Galaxy🪐🔞, an adult visual novel that opens the doors to a world of intrigue and danger.
- 6
![CUMVERSE [18+] — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/3172330/header.jpg?t=1766512127)
CUMVERSE [18+]
Single-player alternative to Sex Universe [18+] — playable solo, no multiplayer required. Shares Casual with Sex Universe [18+].
You’ve crashed on a planet filled with horny and sexually addicted alien girls - now it’s up to you to decide what to do with the situation. Explore the planet and play the relaxing mini-games while you enjoy hot 18+ scenes and the intriguing story in CUMVERSE [18+]!
- 7
CyberCum: Pussy Attack❗️
Single-player alternative to Sex Universe [18+] — playable solo, no multiplayer required. Shares Casual with Sex Universe [18+].
CyberCum: Pussy Attack❗️ is a adult story-driven Visual Novel with elements of a match3 gameplayThe main character is a famous porn actor in the world of the not-too-distant future, who has invested a lot of money in upgrading his body to perform the most unusual scenes in his work.
- 8
Sex City: 2069
Single-player alternative to Sex Universe [18+] — playable solo, no multiplayer required. Shares Casual with Sex Universe [18+].
Sex City: 2069 is a third-person cyberpunk shooter, you'll embody a captivating female protagonist amidst an atmosphere of cyberpunk and science fiction. Prepare yourself for adult-oriented content as you dive into the depths of this virtual city.
- 9
![Furry Arena [18+] — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2176790/header.jpg?t=1760082591)
Furry Arena [18+]
Single-player alternative to Sex Universe [18+] — playable solo, no multiplayer required.
Furry Arena [18+] is a first-person multiplayer shooter, set in a future filled with sexy furries. In the game's primary competitive mode, players are arranged into two teams and compete on a variety of maps and game types.
- 10
Sex Hotel Simulator 🏩
Single-player alternative to Sex Universe [18+] — playable solo, no multiplayer required. Shares Simulation and Casual with Sex Universe [18+].
Welcome to the captivating world of "Sex Hotel Simulator," where you'll take on the role of a brothel owner and elevate it to the pinnacle of fame and success!
- 11
Hot Pussy College 🍓🔞
Single-player alternative to Sex Universe [18+] — playable solo, no multiplayer required. Shares Indie and Casual with Sex Universe [18+].
Hot Pussy College is a short adult Visual Novel focusing on the fun parts of college life. The game is packed with humor, romance, and lots of sex. Play as a young male attending college at B&R and guide him through the experience.
- 12
SEX Apocalypse 3D
Single-player alternative to Sex Universe [18+] — playable solo, no multiplayer required. Shares Indie and Casual with Sex Universe [18+].
A heart-pumping fusion of zombie shooter and adult game! A sudden pandemic has turned the world into a zombie-infested hellscape. Seek safety with attractive main heroine, and unlock all sex scenes as you go!
- 13
Hentai Survivors
Single-player alternative to Sex Universe [18+] — playable solo, no multiplayer required. Shares Indie with Sex Universe [18+].
Roguelite bullet-hell combat meets sexy hentai action in Hentai Survivors. Plan your builds, upgrade heroines, and survive against the clock. Keep the heroines alive and they’ll be sure to reward you!
- 14
![Lust Island🌴[18+] — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2550140/header.jpg?t=1760083775)
Lust Island🌴[18+]
Single-player alternative to Sex Universe [18+] — playable solo, no multiplayer required. Shares Casual with Sex Universe [18+].
Welcome to Lust Island🌴[18+] - an immersive world of narrative visual novel where intrigue, adventure, and irresistible allure intertwine. Immerse yourself in a realm unlike any other with us!