About this game
Fill an NxN grid with digits 1..N so every row and column contains each number exactly once, and every inequality sign between adjacent cells points the correct way. 30 handcrafted logic puzzle levels across 5 tiers from
Fill an NxN grid with digits 1..N so every row and column contains each number exactly once, and every inequality sign between adjacent cells points the correct way. 30 handcrafted logic puzzle levels across 5 tiers from