Cosy gaming fans, rejoice! ManaVoid Entertainment and Indie Asylum have officially dropped Rainbow Billy: The Book of Fears Prologue on Steam for the very first time.

Released as part of the Wholesome Games Celebration—which runs from August 6 to August 13—this free standalone prologue gives players a heartwarming ~30-minute sneak peek into the next chapter of Billy’s story.

If you loved the acclaimed 2021 release Rainbow Billy: The Curse of the Leviathan, or if you’re looking for an uplifting, emotionally resonant puzzle adventure, here is everything you need to know about Billy’s latest journey.

What is Rainbow Billy: The Book of Fears Prologue?

Set directly after the events of The Curse of the Leviathan and serving as a narrative precursor to the upcoming full sequel, The Book of Fears, this free prologue introduces a slightly older Billy preparing to set off for summer camp.

Before Billy can board the ferry to Camp Meteor, mysterious occurrences around home threaten to derail the trip. It’s up to you to help Billy explore their surroundings, solve clever observation-based puzzles, and unravel hidden secrets to get back on track.

What to Expect from the Gameplay:

• Brand-New Mechanics: Tackle puzzles built around careful observation, investigation, and environmental clues.
• Warm, Vibrant World: Dive into a lovingly crafted, colourful environment filled with charm and memorable characters.
• Themes of Growth & Empathy: Rather than fighting monsters, the Rainbow Billy universe focuses on understanding them. Billy must navigate the anxieties of growing up—the fear of the unknown, the worry of fitting in, and the fear of rejection—through empathy, open communication, and self-compassion.

Part of the Wholesome Games Celebration

The release coincides with Steam’s Wholesome Games Celebration (6–13 August), an event dedicated to highlighting games that foster comfort, inclusivity, and emotional depth.

Whether you’re a returning fan eager to see what’s next for Billy or a newcomer searching for a cosy gaming fix, the prologue offers the perfect, low-stress entry point.

How to Play

• Platform: PC / Mac / Linux (via Steam)
• Price: Free
• Duration: Approx. 30 minutes
• Event Dates: Wholesome Games Celebration runs August 6 – August 13

You can head over to Steam right now to download the prologue and add the full game, Rainbow Billy: The Book of Fears, to your wishlist!

Find out more here

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