Single-player games like Case 00: The Cannibal Boy
Below are 8 single-player Steam games similar to Case 00: The Cannibal Boy, 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 Case 00: The Cannibal Boy page.
Ranked picks
- 1

Case 03: True Cannibal Boy
Single-player alternative to Case 00: The Cannibal Boy — playable solo, no multiplayer required. Shares Indie and Adventure with Case 00: The Cannibal Boy.
A horror mystery adventure game with ghost story elements. Anxiety plagues college student Lily, whose crush Sally has gone missing. As Lily explores the truth, Sally's boyfriend starts to look increasingly suspicious. Even worse, the story of the Cannibal Boy seems to be involved somehow...
- 2

Blood Lily Loop
Single-player alternative to Case 00: The Cannibal Boy — playable solo, no multiplayer required. Shares Indie and Adventure with Case 00: The Cannibal Boy.
Your bestie seems to be hiding something. There's something about your world that seems odd as well, like it has...secrets. Dive into the Cthulhu Mythos universe of this horror game and witness a "friendship" that rewrites the world.
- 3

Physical Exorcism: Case 01
Single-player alternative to Case 00: The Cannibal Boy — playable solo, no multiplayer required. Shares Indie and Adventure with Case 00: The Cannibal Boy.
When the two exorcists, Brucie and Jade, were starving to death, a high school student named Lucy was kind enough to share food with them and hire them to protect her friend from an evil spirit. However, it turns out that the spirit has an unusual past.
- 4

The Shadow You
Single-player alternative to Case 00: The Cannibal Boy — playable solo, no multiplayer required. Shares Adventure with Case 00: The Cannibal Boy.
The Shadow You is a compelling horror adventure game set in two different realities. Solve puzzles, reveal secrets and let the chills go down your spine in this immersive story.
- 5

Robotherapy
Single-player alternative to Case 00: The Cannibal Boy — playable solo, no multiplayer required. Shares Indie and Adventure with Case 00: The Cannibal Boy.
An emotional dark comedy about robots doing therapy. In Robotherapy, you're a robot therapist in a dystopian society that killed all the humans, but is still not happy. Treat patients, meet weird robots and enter their minds. If killing all humans doesn't bring happiness, then what does?
- 6

Paradise
Single-player alternative to Case 00: The Cannibal Boy — playable solo, no multiplayer required. Shares Adventure and Casual with Case 00: The Cannibal Boy.
Paradise is a Boys Love visual novel and tells the story of a group of men who go on holiday on a deserted island. When things begin to go wrong, they realize to their horror that they are stranded. Turns out that’s only the start of their problems.
- 7

Danganronpa: Trigger Happy Havoc
Single-player alternative to Case 00: The Cannibal Boy — playable solo, no multiplayer required. Shares Adventure with Case 00: The Cannibal Boy.
Investigate murders, search for clues and talk to your classmates to prepare for trial. There, you'll engage in deadly wordplay, going back and forth with suspects. Dissect their statements and fire their words back at them to expose their lies! There's only one way to survive—pull the trigger.
- 8

Danganronpa V3: Killing Harmony
Single-player alternative to Case 00: The Cannibal Boy — playable solo, no multiplayer required. Shares Adventure with Case 00: The Cannibal Boy.
A new cast of 16 characters find themselves kidnapped and imprisoned in a school. Inside, some will kill, some will die, and some will be punished. Reimagine what you thought high-stakes, fast-paced investigation was as you investigate twisted murder cases and condemn your new friends to death.