Here's your colorful guide to playing our 4x4 grid Sudoku game!
Step 1: Check out your vibrant 4x4 grid. Your mission? Fill up each row
and column with a unique array of colors.
Step 2: Here's where it gets interesting. Each row and column must
contain no repeat colors. That's right! Each cell in the same row or
column should flaunt a different color. Ready to embark on this
rainbow-filled Sudoku challenge? Let the color game begin!