What do the colors mean?
Green – Correct! This letter is in the right spot for both its row and column.
Yellow – This letter belongs in this row or column, but not in this cell. Swap it to the right place.
Gray – This letter doesn't belong in this word. Swap it out.
Solved examples (goal for each grid)
When you're done, every letter should be green like these examples:
3×3 – 2 words across, 2 words down (center is empty):
Words: DOG, LOG (rows) · DOL, GOG (columns)
5×5 – 3 words across, 3 words down:
Example: rows CRANE, AGREE, TRESS · columns COAST, ARGUE, EVENS. All letters green = solved.
7×7 – 4 words across, 4 words down:
Example: rows like PLASTIC, AWESOME, THOUGHT, CREATED and matching columns. All letters green = solved.