Numigma — Reverse Number Puzzle Lab
Assemble clue packs, set a deterministic seed, and let Numigma craft a uniquely solvable number deduction challenge. Tune the range, difficulty, and mathematical flavors to share endlessly replayable puzzles with friends or students.
Find a puzzle flow in minutes
Use the generator controls and clue packs below, then hit generate to craft a unique logic puzzle with a shareable link.
Set the minimum, maximum, and difficulty to bound the search.
Toggle mathematical themes to shape the logic flavor and tone.
Review diagnostics, copy clues, and share the deterministic link.
Generator controls
Configure the search space, deterministic seed, and difficulty profile. The difficulty level dynamically balances clue complexity, quantity, and solver strictness.
Clue packs
Toggle mathematical themes to shape the flavor of the generated puzzle.
Active clues
Candidate inspector
Run the generator to analyze candidate reductions after each clue.
Puzzle diagnostics
The diagnostics panel summarizes solver progress, including whether a unique solution was found for the chosen configuration.
Solution reveal
The secret number remains hidden until you generate a puzzle.