Dimitris Chassapakis

The daily logic puzzle just got a massive upgrade! Here’s what’s new: Profiles: Sign in via email/Google to track your stats and history. 5-Star Ratings: Earn 1–5 stars based on accuracy. Zero mistakes = 5 stars! Streaks: Play daily to keep your consecutive streak alive. Leaderboards: Compete with others by total stars, longest streak, or speed. Archive: Missed a day? Play any past puzzle from the calendar.

Deductionary is not just a puzzle—it is a test of clarity. In a world of random guessing, here, every letter earns its place through rigorous logic. You are given a 5x5 grid, cryptic icons, and a set of precise clues. Your goal? Deduce the only possible solution. No guessing. No tricks. Just pure, satisfying deduction. 50 Challenging Puzzles: No warm-ups. No filler. Every single grid offers a rigorous mental workout from the very first page.

From the creator of Journal 29 Trilogy and The Cypher Files. Journal 29 Advent Calendar is an interactive puzzlebook filled with mind-bending, out-of-the-box puzzles and a mystery that unfolds with every solution.