Glow
Daily Logic Puzzle Game
Looking for a daily logic puzzle like Wordle but for pure deduction? Glow gives you one new firefly grid every UTC day. Same puzzle worldwide, guaranteed unique solution, no luck involved.
A new puzzle every day
Every UTC midnight, a fresh grid goes live. Everyone gets the same board — perfect for comparing solve times and streaks with friends.
Logic, not luck
Glow puzzles are generated with exactly one solution. You never need to guess. If you're stuck, step back and look at which clues force a firefly or block one.
Play online or on Android
Start instantly in your browser, or install the Android app for offline play, archives of past dailies, and streak tracking.
Related puzzle types
Glow is inspired by Akari (Light Up) and similar Japanese logic puzzles. If you enjoy Sudoku, Nonograms, or Minesweeper-style deduction, you'll feel at home.
