Knotter is a pipes-style logic puzzle: draw one continuous cord per colour, connect its two endpoints, and fill the whole board without any cord crossing itself or another. Simple to explain, hard to stop solving.
- 500+ boards across five sizes, from 5×5 warm-ups to 12×12 late-game grids
- One free hint per puzzle, unlimited with the purchase
- Daily puzzle with its own streak, plus a full archive with streak history
- No forced ads between puzzles
A single optional purchase removes ads and unlocks the full board archive and daily history for players who want everything up front. Knotter doesn't require an account and doesn't collect anything beyond what's needed to serve ads and track a purchase.
One continuous cord per colour. Fill the board, cross nothing. 500+ boards.