Mahjong Club
Mahjong Club is a casual mahjong game. 30 mahjong club members from different schools meet up for different goals. Based on authentic Japanese mahjong rules, character-based ability system is added for fun. Meet with cute school girls, and enjoy playing mahjong with them!
Sync your Steam wishlist to find the lowest game prices instantly. No login required, just paste your Steam profile URL!
⚡ Try Wishlist Radar!
Sync your Steam wishlist to find the lowest game prices instantly. No login required!
⚡ Try Wishlist Radar!
Close
Games like 18+ on Steam
Filter Games
Luxor Evolved
In an all-new, completely revamped LUXOR Evolved, the chains are faster, the power-ups more awesome, the shooters more stealthy. In this retro-styled arcade shooter, you’ll experience a faster, more intense LUXOR, unlike any you’ve seen before.
KUUKIYOMI: Consider It
The world, THIS IS JAPAN.
Bomb Squad Academy
Save the world one wire at a time with Bomb Squad Academy, a puzzle game where you have to defuse bombs under a time constraint.
Slash It Ultimate
Play the rhythm of a song through various game modes and compete with other players!
Neon Space
Neon Space is a fun and simple but at the same time highly addictive game.
Ignited Entry
Ignited Entry is a full length narrative driven psychological horror game with voice acting, dreamish visuals, and horror elements that will keep you on the edge of your seat. Some doors should never be opened. But you must go in.
9-nine-:Episode 1
Help Miyako and Kakeru track down a superpowered serial killer before they strike again.
Tung Tung Tung Survival
Tung Tung Tung Survival is a first-person single-player survival horror experience set across a dense, isolated 1km × 1km island. Search every corner for the scattered parts you need to repair your boat and escape. But you are not alone. You were never alone.
Apostle: Rebellion
A sci-fi, turn-based RPG. Humanity has reached a point where the majority of people opt to become cyborgs called Roids. However, social inequality is once again at a breaking point.
how do you Do It?
"how do you Do It?" puts players in the role of an 11-year-old girl whose mother has just stepped out for an errand. The girl immediately grabs her dolls and furtively attempts to figure out how sex works using these plastic surrogates.
Desktop Magic Engine
DesktopMagicEngine is the second generation of DMMD,With the help of new AI Technology, you can now have a living and dancing cute girl with amazing effects on your desktop! She will always be with you, even while having other windows open. Supports STEAM workshop.
Richie's Plank Experience
You're on a plank, 80 stories high. Knees shaky, palms sweaty. You have a choice. Do you walk or do you freeze? Richie's Plank is the only VR experience that lets you clone any real-world plank into the virtual world for 2X the immersion.
4D Minesweeper
4D Minesweeper brings the classic mechanics of Minesweeper into the fourth dimension and adds some new features to it.
NEKOPARA Vol. 1
What's NEKOPARA? Why, it's a cat paradise! Kashou Minaduki, the son of a long line of Japanese confection makers moved out to open his own shop "La Soleil" as a patisserie.
Chevalier Historie
The fate of a captured princess lies in the hands of a single woman. Using the power of the spirits and a variety of items, the female knight Jeanne must explore the kingdom that's been thrown into chaos to save Princess Lily in this classic-style action RPG.
NEKOPARA Vol. 3
Patisserie "La Soleil", run by Kashou Minaduki, is flourishing thanks to the help of two catgirls: Maple, full of pride and a little on the haughty side, and Cinnamon, an impulsive daydreamer.
Kill or Love
A visual novel about obsession, loneliness, and, based on your choices, varying amounts of murder.
SAMOLIOTIK
SAMOLIOTIK is a stylish shoot-em-up with different enemies, bosses, colour palettes, power-ups, set in different eras. In this game you will fight Adolf Gutler,The Illuminati, and other creatures.
Project LUX
The crime... is murder. Our story takes place in a court trial, set in a futuristic world where most humans have cyberbrains. The defendant on trial is an agent who coordinates with artists to create the data for cyberbrains to interact with people’s emotions. The victim is a girl artist named Lux.