Single-player games like Sex Detective [18+]
Below are 16 single-player Steam games similar to Sex Detective [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 Detective [18+] page.
Ranked picks
- 1
Sex Faculty🔞
Single-player alternative to Sex Detective [18+] — playable solo, no multiplayer required. Shares Simulation and Casual with Sex Detective [18+].
Sex Faculty🔞 is a visual novel for adults, where immersive storytelling and a sense of realism are complemented by a variety of scenes and elements intended for players over 18.
- 2
SEX Massage 2 🔞
Single-player alternative to Sex Detective [18+] — playable solo, no multiplayer required. Shares Simulation and RPG with Sex Detective [18+].
Enter the captivating world of the visual novel SEX Massage 2 🔞, where you take on the role of Daniel, a talented masseur and owner of a small massage parlor. Daniel is determined to elevate his business to new heights, but the path to success is filled with challenges and temptations.
- 3
SEX, Stocks & Cocks
Single-player alternative to Sex Detective [18+] — playable solo, no multiplayer required. Shares Simulation and RPG with Sex Detective [18+].
SEX, Stocks & Cocks is an exciting visual novel for adults that immerses you in a world of intrigue, fraud, and sexual passion. As the protagonist, you will find yourself in the midst of a large stock brokerage firm, where everyone hides their secrets and motivations.
- 4
Escort's Secrets 18+
Single-player alternative to Sex Detective [18+] — playable solo, no multiplayer required. Shares Simulation and RPG with Sex Detective [18+].
Escort's Secrets 18+ is a captivating visual novel that follows the story of Hensel, a complete underachiever and a cheerful adventurer, who possesses an extraordinary talent for charming and doing the opposite.
- 5
Step-Sister's Pussy 🔞
Single-player alternative to Sex Detective [18+] — playable solo, no multiplayer required. Shares Simulation and RPG with Sex Detective [18+].
Welcome to the world of Step-Sister's Pussy🔞– an adult visual novel that will immerse you in family intrigues and unpredictable antics. Get ready to delve into the complex relationships of a family where each character hides their secrets and dreams.
- 6
Sex Campus Story 🔞
Single-player alternative to Sex Detective [18+] — playable solo, no multiplayer required. Shares Simulation and Casual with Sex Detective [18+].
Embark on an exciting adventure as the main character in "Sex Campus Story," a visually stunning adult visual novel. You play the role of an ordinary student from an ordinary family, living a mundane life.
- 7
SEX Campus🔞
Single-player alternative to Sex Detective [18+] — playable solo, no multiplayer required. Shares Simulation and RPG with Sex Detective [18+].
Welcome to the exciting world of SEX Campus🔞, where freshman Nick embarks on an incredible journey through real student life. But in this college, every day is a new stage in the game 'Hot Pie,' where real-life quests are intertwined with fun and intriguing tasks.
- 8
SEX Massage 🔞
Single-player alternative to Sex Detective [18+] — playable solo, no multiplayer required. Shares Simulation and RPG with Sex Detective [18+].
In the exciting visual novel SEX Massage 🔞, you will take on the role of a young massage parlor owner in a picturesque resort town. The main character has inherited this spa and is facing incredible challenges and opportunities
- 9
Shades of Sakura
Single-player alternative to Sex Detective [18+] — playable solo, no multiplayer required. Shares RPG and Casual with Sex Detective [18+].
Shades of Sakura is a casual physics-based puzzle game. Challenge yourself to get 10 animated scenes with Live2D. Go on a fascinating journey through ancient Japan and our Samurai girls. Connect the balls by drawing lines to win!
- 10
OnlyFap Simulator 💦
Single-player alternative to Sex Detective [18+] — playable solo, no multiplayer required. Shares Simulation and Casual with Sex Detective [18+].
OnlyFap Simulator is a casual clicker adult game that looks like a popular social media.You should help main character to earn enough money to make a post. After each level an amount of post becomes higher, and you need to hire manager and do analytics to build a huge fan base
- 11
OnlyFap Simulator 4 💦
Single-player alternative to Sex Detective [18+] — playable solo, no multiplayer required. Shares Simulation and Casual with Sex Detective [18+].
OnlyFap Simulator 4 is a casual clicker adult game that looks like a popular social media.You should help main character to earn enough money to start making streams.
- 12
OnlyFap Simulator 2 💦
Single-player alternative to Sex Detective [18+] — playable solo, no multiplayer required. Shares Simulation and Casual with Sex Detective [18+].
OnlyFap Simulator 2 is a casual clicker adult game that looks like a popular social media.You should help main character to earn enough money to start making streams. After every reached goal you gonna be surprised with amazing video with female protagonist.
- 13
Hentai Sakura 🌸🌊
Single-player alternative to Sex Detective [18+] — playable solo, no multiplayer required. Shares Casual with Sex Detective [18+].
Hentai Sakura is a casual physics-based puzzle game. Challenge yourself to get 10 sex animated scenes with Live2D. Go on a fascinating journey through ancient Japan and our Samurai girls. Connect the balls by drawing lines to win!
- 14
Lustful Dead 🔞
Single-player alternative to Sex Detective [18+] — playable solo, no multiplayer required. Shares Simulation and Casual with Sex Detective [18+].
Survive, seduce, and fight in a zombie-infested dorm! Loot resources, battle sexy zombies, rescue girls, and build your ultimate survival harem.
- 15
FEMBOY called it “MASSAGE”😈💦
Single-player alternative to Sex Detective [18+] — playable solo, no multiplayer required. Shares Simulation and Casual with Sex Detective [18+].
Run a “special” massage parlor for charming femboys 😏💦. Flirt, master the art of touch in an interactive mini-game, earn cash, unlock spicy scenes, and uncover your grandpa’s naughty secret in this 2D adult visual novel.
- 16
OnlyFap Simulator 3 💦
Single-player alternative to Sex Detective [18+] — playable solo, no multiplayer required. Shares Simulation and Casual with Sex Detective [18+].
Take control of sexy cam model, rake in stacks of filthy internet money and attract as many fans as you can in this fast paced, click happy and thoroughly perverted take on the business tycoon / management sim genre!