NumberGlyph

Archive — pick a date and play.

Hard (6 digits)

Past daily number puzzles

Each link opens /p/YYYY-MM-DD/hard.

Daily number puzzle — how NumberGlyph works

NumberGlyph is a daily number puzzle for brain training. Use the fingerprint (Σ, Shape, and optional cards like O/E, P, U, Σ²) plus the tile feedback from each guess to deduce the secret number in 6 turns. New puzzles every day (UTC) in Easy (4 digits), Medium (5), and Hard (6).

Show rules + tips

Rules

  • You get 6 guesses.
  • Tiles show correct digit/place, correct digit/wrong place, or not present.
  • Σ is the sum of digits. Shape compares each digit to the next (> < =).

More

Play more: Archive · Get going · Modes: Easy · Medium · Hard