Enter numbers 1–4 to play sudoku. Yes, seriously. Normal sudoku rules apply, just with a (not very challenging) 4x4 grid and 2x2 subgrids instead of the usual 9x9 and 3x3.
Pronto per iniziare?
per salvare progressi e statistiche sui cruciverba
it now dawns on me that you could just use the clues to set the initial board state and force a unique solution, meaning even a 9x9 would be tractable lol... but i'm happy putting a stop to this here :)