Unhappy Birthday at Castle Slogar

A solo gamebook for Gloom


Coming Soon!

Look for it in stores in July.

Unhappy Birthday at Castle Slogar at a Glance 

  • A new immersive way to experience the world of Gloom
  • Integrated hint and solution website
  • Features the beloved Gloom aesthetic by the original artist J. Scott Reeves

Enigma KS Interior Spreads UNHAPPY

About Unhappy Birthday at Castle Slogar

You've been summoned to Castle Slogar to celebrate Melissa's 9th birthday … again! But the party has gone awfully awry. Guests are scattered throughout the labyrinthine castle, and Lord Slogar is missing! It's up to you to lend a hand, or a foot, or whatever you can spare to save the party and rescue Lord Slogar.

Gloom Unhappy Bday Logo Teaser TRANSPARENT

Gameplay Basics 

Unhappy Birthday at Castle Slogar is a sorrowful solo gamebook filled with interactive puzzles. A full map of the castle shows which rooms you've explored. The book's sections describe each room, where you'll face a horrible hindrance or a character whose dismal dilemma you'll solve to access the next room. Having trouble? A special website provides hints and extra material. Unravel the riddles then use your answers to find the gloriously gloomy finale!

Vital Stats

Author: Mark Larson
Artist: J. Scott Reeves
Producer: Michelle Nephew
Assistant Producer: Ben Hartfield
Difficulty: 3/5
MSRP: $17.95
Atlas Stock #: AG2810
Barcode: 978-1-58978-250-1
Format: 64-page b&w journal-sized softcover
Release Date: July 2024