About Logic Grid
Logic Grid is a Latin square puzzle. Fill the five-by-five grid with the digits 1 to 5 so that every row and every column contains each digit exactly once. Some squares are given as clues, and the number of blanks grows with each level.
How to play
- Tap an empty square, then tap a number.
- Each digit may appear only once per row and per column.
- Conflicts turn red. Fewer mistakes earn more stars.
Tips and strategy
- Look for rows or columns with four digits already filled.
- A digit that can only fit one square in a row must go there.
- Work on the digit that appears most often first.
Levels, stars and XP
Finish a level to earn one to three stars and XP towards your player level. Replay any unlocked level to improve your stars. From level 151 the game enters endless mode, where each level is a remix of an earlier one with fresh colours and a slightly higher difficulty.
Frequently asked questions
- How do I play Logic Grid?
- Tap an empty square, then tap a number. Each digit may appear only once per row and per column. Conflicts turn red. Fewer mistakes earn more stars.
- What is a good strategy for Logic Grid?
- Look for rows or columns with four digits already filled.
- How many levels does Logic Grid have?
- Logic Grid has 150 levels that rise gradually in difficulty. After level 150 the game continues without end: levels are drawn from the first 150 in a newly shuffled order, with new colours, flipped or rotated layouts and a small difficulty boost, so the level number keeps increasing.
- Is it free to play?
- Yes. Logic Grid is completely free and runs in your browser on phones, tablets and computers. No download or account is needed.
- Does my progress save?
- Your level, stars and XP are saved in your browser on this device. Clearing your site data will reset them.