Games like Rainbow Billy: The Book of Fears
If Rainbow Billy: The Book of Fears is your kind of game, the closest matches are Duck Detective: The Secret Salami, Duck Detective: The Ghost of Glamping and Dimhaven - The Lost Source — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.
Get personalized picks →About Rainbow Billy: The Book of Fears: Billy is back for an investigative adventure in Summer camp. Unravel mysterious events in this colorful journey as campers’ worries manifest as Fearlings. Explore the camp, investigate its secrets, and confront those fears through clever puzzles.
Players who liked Rainbow Billy: The Book of Fears also play
Steam players who put hours into Rainbow Billy: The Book of Fears also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.
Duck Detective: The Secret Salami
WHY THIS
Top pick for Rainbow Billy: The Book of Fears fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Rainbow Billy: The Book of Fears.
Solving crime is no walk in the pond. You are a down-on-his-luck detective who also happens to be a duck. Use your powers of de-duck-tion to inspect evidence, fill in the blanks, and bust the case wide open! This is a short but twisty detective case.
Duck Detective: The Ghost of Glamping
WHY THIS
Second-strongest match for Rainbow Billy: The Book of Fears fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Rainbow Billy: The Book of Fears.
You are the one and only Duck Detective, a depressed and recently divorced duck who must quack the case. Inspect evidence, make de-duck-tions, and solve this no-murder mystery!
Dimhaven - The Lost Source
WHY THIS
Third-strongest match for Rainbow Billy: The Book of Fears fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Rainbow Billy: The Book of Fears.
Are you ready for an adventure? Challenges, exploration and puzzles in a narrative driven experience, pick up your camera and test your wits in this first-person mystery by the team behind Quern!
Kathy Rain: Director's Cut
WHY THIS
Ranked #4 for Rainbow Billy: The Book of Fears fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Rainbow Billy: The Book of Fears.
The award-winning point-and-click adventure returns in the Director's Cut with an extended story, additional puzzles, and new areas to explore. Witness the rise of an iconic detective as you uncover a dark and sinister truth hiding behind the calm exterior of a small rural town.
Frog Detective 1: The Haunted Island
WHY THIS
Ranked #5 for Rainbow Billy: The Book of Fears fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Rainbow Billy: The Book of Fears.
You're a detective, and a frog, and it's time to solve a mystery.
Frog Detective 3: Corruption at Cowboy County
WHY THIS
Ranked #6 for Rainbow Billy: The Book of Fears fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Rainbow Billy: The Book of Fears.
You're a detective, and a frog, and it's time to solve a mystery in the wild west.
Crime O'Clock
WHY THIS
Ranked #7 for Rainbow Billy: The Book of Fears fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Rainbow Billy: The Book of Fears.
Crime O'Clock is a hidden objects investigation and time exploration game with a deep storyline. Investigate cases through time and evolving maps by unveiling a multi-eras linked story. Will you be observant enough to solve the mysteries? Crime waits for no man!
Strange Horticulture
WHY THIS
Ranked #8 for Rainbow Billy: The Book of Fears fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Rainbow Billy: The Book of Fears.
Strange Horticulture is an occult puzzle game in which you play as the proprietor of a local plant store. Find and identify new plants, pet your cat, speak to a coven, or join a cult. Use your collection of powerful plants to influence the story and unravel Undermere’s dark mysteries.
Free alternatives
Free-to-play games that recommended players of this title also tend to enjoy.
Doki Doki Literature Club!
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with Rainbow Billy: The Book of Fears.
The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.
Life is Strange - Episode 1
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Adventure with Rainbow Billy: The Book of Fears.
Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.
Bongo Cat
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Rainbow Billy: The Book of Fears.
Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?
The Murder of Sonic the Hedgehog
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with Rainbow Billy: The Book of Fears.
Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!
Indigo Park: Chapter 1
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Rainbow Billy: The Book of Fears.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
The Looker
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Rainbow Billy: The Book of Fears.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
Sheepy: A Short Adventure
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Rainbow Billy: The Book of Fears.
A Short Handcrafted Pixel Art Platformer that follows Sheepy, an abandoned plushy brought to life. Sheepy: A Short Adventure is the first short game from MrSuicideSheep.
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Head-to-head comparisons
Plays great on Steam Deck
Valve-Verified or Playable picks from the similar pool — ready to go on Deck out of the box.
Duck Detective: The Secret Salami
WHY THIS
Deck Verified — runs on Steam Deck out of the box. Shares Indie and Adventure with Rainbow Billy: The Book of Fears.
Solving crime is no walk in the pond. You are a down-on-his-luck detective who also happens to be a duck. Use your powers of de-duck-tion to inspect evidence, fill in the blanks, and bust the case wide open! This is a short but twisty detective case.
Kathy Rain: Director's Cut
WHY THIS
Deck Verified — runs on Steam Deck out of the box. Shares Indie and Adventure with Rainbow Billy: The Book of Fears.
The award-winning point-and-click adventure returns in the Director's Cut with an extended story, additional puzzles, and new areas to explore. Witness the rise of an iconic detective as you uncover a dark and sinister truth hiding behind the calm exterior of a small rural town.
Frog Detective 1: The Haunted Island
WHY THIS
Deck Verified — runs on Steam Deck out of the box. Shares Indie and Adventure with Rainbow Billy: The Book of Fears.
You're a detective, and a frog, and it's time to solve a mystery.
Frog Detective 3: Corruption at Cowboy County
WHY THIS
Deck Verified — runs on Steam Deck out of the box. Shares Indie and Adventure with Rainbow Billy: The Book of Fears.
You're a detective, and a frog, and it's time to solve a mystery in the wild west.
Strange Horticulture
WHY THIS
Deck Verified — runs on Steam Deck out of the box. Shares Indie and Adventure with Rainbow Billy: The Book of Fears.
Strange Horticulture is an occult puzzle game in which you play as the proprietor of a local plant store. Find and identify new plants, pet your cat, speak to a coven, or join a cult. Use your collection of powerful plants to influence the story and unravel Undermere’s dark mysteries.
Frequently asked about Rainbow Billy: The Book of Fears
- What games are most similar to Rainbow Billy: The Book of Fears?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Rainbow Billy: The Book of Fears are Duck Detective: The Secret Salami, Duck Detective: The Ghost of Glamping, Dimhaven - The Lost Source.
- Who developed Rainbow Billy: The Book of Fears?
- Rainbow Billy: The Book of Fears was developed by Manavoid and published by Manavoid, Indie Asylum.
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Rainbow Billy: The Book of Fears.
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