Packs

Spot On packs

Bought once, yours for good, on every device.

PackPuzzles
Roots & Factorials500 draws with two more keys: the square root of a square, and the factorial (5! is 120). Each needs one or both.500 puzzles · $2.99
  • Numbered #1 to #500. Play them in any order, each once. Your first try is the one that counts.
  • Its own leaderboard: total points, then stars for the shortest way, then time.

One payment, no subscription. Secure checkout by Dodo Payments, plus tax where it applies.

Roots & Factorials · leaderboard

Each puzzle’s first try counts. Ties go to stars, then to the least time.