Single-player games like 18+
Below are 16 single-player Steam games similar to 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 18+ page.
Ranked picks
- 1
Pretty Neko
Single-player alternative to 18+ — playable solo, no multiplayer required. Shares Casual with 18+.
Relax class puzzle game to keep you in a good mood
- 2
CATGIRL LOVER 2
Single-player alternative to 18+ — playable solo, no multiplayer required. Shares Casual with 18+.
An incredible continuation of a vibrant and interesting history of learning in the Golden Shower Order! Flashy and juicy anime girls are waiting for you! A simple but fascinating game with a mixture of Visual Novel and Match3.
- 3
Lost
Single-player alternative to 18+ — playable solo, no multiplayer required.
This is a casual intellectual game, accompanied by beautiful girls to find pictures of the same shape, get beautiful pictures and exercise your observation.
- 4
Seek Girl Ⅳ
Single-player alternative to 18+ — playable solo, no multiplayer required.
This is a fun casual decryption game that trains your observations. At the beginning of the game, the game will show a white shape, you need to find one or two items of the same shape as white to complete the task.
- 5
Dark Fantasy: Jigsaw Puzzle
Single-player alternative to 18+ — playable solo, no multiplayer required. Shares Casual with 18+.
Jigsaw puzzles have never been this atmospheric! Dark Fantasy will take you on a journey through gloomy portraits.
- 6
Aurora
Single-player alternative to 18+ — playable solo, no multiplayer required. Shares Casual with 18+.
This is a light puzzle game of pretty girls, so help the girls solve their problems! Then you can interact with the pretty girls.
- 7
Love Breakout
Single-player alternative to 18+ — playable solo, no multiplayer required. Shares Casual with 18+.
Relax arcade game to keep you in a good mood
- 8
Starlight
Single-player alternative to 18+ — playable solo, no multiplayer required. Shares Casual with 18+.
This is a simple casual game.You only need to do is clicking the right stars.
- 9
Hentai Shooter 3D
Single-player alternative to 18+ — playable solo, no multiplayer required.
"Hentai Shooter 3D" - First person shooter with spirit of good old days .
- 10
Cute Cats
Single-player alternative to 18+ — playable solo, no multiplayer required. Shares Casual with 18+.
Cute cats want to play with you! Chill out with them in your free time! Find differences between two nearly similar artistic paintings.
- 11
Trash Story
Single-player alternative to 18+ — playable solo, no multiplayer required. Shares Casual with 18+.
5000 achievements. Trash style kinetic novel, created by one man. Short life story with naughty jokes, memes, author made pictures and not ordinary voiceover.
- 12
Cute Dogs
Single-player alternative to 18+ — playable solo, no multiplayer required. Shares Casual with 18+.
Is it possible to buy some happiness with money? Who knows, but you can buy yourself a dog! Look, how cute they are! Play with our fluffy little fellas, a «find-differences» game. These cute little puppies can help you relax and find some peace of mind.
- 13
Cute Cats 3
Single-player alternative to 18+ — playable solo, no multiplayer required. Shares Casual with 18+.
Kittens come back to challenge you once again! Test your memory and attentiveness. Play a new chapter of the beloved puzzle game and find all differences in pictures with our cute fellas.
- 14
Gabenwood: 99 Hidden Bucks
Single-player alternative to 18+ — playable solo, no multiplayer required. Shares Casual with 18+.
This is a hidden objects puzzle game what will test your wit and attentivnes. Save the Universe from destruction! Go to the Gabenwoods and find 99 bucks transferred there by some evil guy from our world.
- 15
Cute Cats 2
Single-player alternative to 18+ — playable solo, no multiplayer required. Shares Casual with 18+.
Cute kittens are back in action! These fluffy fellas would train your memory and attention. Spend your time with pleasure and benefit. Compare pictures with cute kittens and find differences between them.
- 16
100$
Single-player alternative to 18+ — playable solo, no multiplayer required.
Money rules the world! This is a casual puzzle for all who loves to get his wallet full of cash. Embark on an unforgettable journey to parallel worlds - to regain the most important thing in the modern world - money.