Single-player games like Johnny Mystery and The Halloween Killer
Below are 14 single-player Steam games similar to Johnny Mystery and The Halloween Killer, 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 Johnny Mystery and The Halloween Killer page.
Ranked picks
- 1
Hawaii Detective: Killing of a Krypto King
Single-player alternative to Johnny Mystery and The Halloween Killer — playable solo, no multiplayer required.
"Hawaii Detective: Killing of a Krypto King" is a Detective Mystery Visual Novel and Yuri Dating Sim where you play as Detective Laura Ko as she interrogates suspects, investigates clues and follows leads to solve this tropical tale. Maybe she even finds the woman of her dreams along the way too!
- 2
Riddle Joker
Single-player alternative to Johnny Mystery and The Halloween Killer — playable solo, no multiplayer required.
For decades, superpowers and psychic abilities were thought to be mere science fiction, but the discovery of a certain particle called the "Astron" at the end of the 20th century proved to the world that these wondrous phenomena were real.
- 3
Your Diary +
Single-player alternative to Johnny Mystery and The Halloween Killer — playable solo, no multiplayer required. Shares Indie with Johnny Mystery and The Halloween Killer.
Your Diary + is a visual novel game that explores the seven ways humans experience happiness in the stories of its seven heroines. What does it mean to be useful to someone? To be loved? To trust someone with your heart? Rediscover the importance of these everyday joys.
- 4
Kinkoi: Golden Loveriche
Single-player alternative to Johnny Mystery and The Halloween Killer — playable solo, no multiplayer required.
Kinkoi: Golden Loveriche is a Japanese-style visual novel produced by Saga Planets, a Japanese developer of romance VNs. The game won numerous awards in the year of its release in Japan for its art, music, characters, and story.
- 5
Tokyo School Life
Single-player alternative to Johnny Mystery and The Halloween Killer — playable solo, no multiplayer required.
"Tokyo School Life" is the story of your trip as an exchange student in Tokyo and the three girls you meet there. Live the everyday life you love from anime and manga! Vocal opening song/Japanese voices/English text
- 6
Yumeutsutsu Re:Master
Single-player alternative to Johnny Mystery and The Halloween Killer — playable solo, no multiplayer required.
Yumeutsutsu Re:Master is a girls-love adventure game set in a small game studio.
- 7
Love, Money, Rock'n'Roll
Single-player alternative to Johnny Mystery and The Halloween Killer — playable solo, no multiplayer required. Shares Indie with Johnny Mystery and The Halloween Killer.
Love, Money, Rock'n'Roll: the romanticism of the Eighties, mystery and intrigues, betrayal and sacrifice, hatred and passion — all this and more in the new game from the creators of the legendary visual novel Everlasting Summer!
- 8
Love Delivery
Single-player alternative to Johnny Mystery and The Halloween Killer — playable solo, no multiplayer required. Shares Indie with Johnny Mystery and The Halloween Killer.
A coming-of-age romance simulation that follows the raw, relatable journey of a real loser.
- 9
Endurance Labyrinth
Single-player alternative to Johnny Mystery and The Halloween Killer — playable solo, no multiplayer required. Shares Indie with Johnny Mystery and The Halloween Killer.
The classic maze game, with a little tweak. Enemies will try to stop you, Power Ups will help you advance and the layout of the maze changes itself, making the simple task of finding a way out much more challenging. Can you endure this journey to the very end?
- 10
Pieces of Beauty
Single-player alternative to Johnny Mystery and The Halloween Killer — playable solo, no multiplayer required.
Deemed a Master of the Chinese Bird and Flower Painting Style, Ohara Koson produced hundreds of prints during his life. Discover 7 majestic pieces made by one of Japan's most celebrated artists in this traditional Jigsaw Puzzle Game.
- 11
Pieces of Beauty 2
Single-player alternative to Johnny Mystery and The Halloween Killer — playable solo, no multiplayer required.
Deemed a Master of the Chinese Bird and Flower Painting Style, Ohara Koson produced hundreds of prints during his life. Discover 16 majestic pieces made by one of Japan's most celebrated artists while you sharpen your brain and relieve stress playing this Jigsaw Puzzle Game.
- 12
Pieces of Beauty 3
Single-player alternative to Johnny Mystery and The Halloween Killer — playable solo, no multiplayer required.
Deemed a Master of the Chinese Bird and Flower Painting Style, Ohara Koson produced hundreds of prints during his life. Discover 14 majestic pieces made by one of Japan's most celebrated artists while you sharpen your brain and relieve stress playing this Jigsaw Puzzle Game.
- 13
Board
Single-player alternative to Johnny Mystery and The Halloween Killer — playable solo, no multiplayer required.
Board is a minimalist puzzle game that offers a relaxing short experience.
- 14
Benny & Nana's Barrel Adventure
Single-player alternative to Johnny Mystery and The Halloween Killer — playable solo, no multiplayer required. Shares Indie with Johnny Mystery and The Halloween Killer.
Embark on a thrilling quest to reclaim stolen coconuts from the Long Beak Clan! Prove your skills and determination in this compelling one-button game adventure, rolling from barrel to barrel and collecting coconuts.