Rainbow Billy: The Book of Fears Prologue

87.5% positiveFreeSteam Store

About the game

Play an exclusive standalone prologue set after Rainbow Billy: The Curse of the Leviathan and immediately before The Book of Fears. Help Billy investigate strange events, solve puzzles, and uncover hidden secrets before the ferry leaves for Camp Meteor.

Current players

Updated Oct 29, 7:45 AM

24hr peak

Highest count in the last 24 hours

All time peak

Highest count in recorded history

Player history

69 observations in viewHistorical player data prior to Sept 2026 is from steamcharts.com.Oct 22, 2026, 5:54 PM – Oct 29, 2026, 7:45 AM

Game details

Rankings: Most Played#163,404
Developer: Manavoid
Publisher: Manavoid, Indie Asylum
Release date: Aug 6, 2026, 4:39 PM
Languages: English, French
Price: Free to play
Platforms: Windows
macOS
Linux
Features: Feature names
Single-player
Custom Volume Controls
Stereo Sound
Playable without Timed Input
Save Anytime
#category_playable_at_your_own_pace
Full controller support
Tags: Adventure Wholesome Casual Cartoony Singleplayer

User reviews

Positive reviews

87.5%

Positive: 7
Negative: 1

Updated Oct 29, 5:59 AM

Review history

Mode

2 observations in viewOct 4, 2026, 5:34 AM – Oct 29, 2026, 5:59 AM