Game Cover

Sum Fifteen Daily Grid

Educational Puzzle Math
Developer: Field Games
Published: 2026-10-01
Updated: 2026-10-01

Reviews

Sum Fifteen Daily Grid is a focused math puzzle rather than a sprawling game. Its strength is the way a single rule, every connected region must total fifteen, creates cascading decisions across the board. Four grid sizes let players scale the challenge, and the daily puzzle structure provides a reason to return without requiring an account or installation. The minimal presentation suits the logic-first design. It will appeal most to puzzle players and educators who want arithmetic practice embedded in genuine spatial reasoning. The trade-off is limited variety: the core mechanic does not change between sessions.

Description

Faq
Do I need to create an account to play Sum Fifteen Daily Grid?
The game runs in a web browser without any download or installation, and the description does not mention accounts or sign-ups. You can open it and start solving. Any progress tracking or saved stats would depend on the site hosting it, so check there if that matters to you.
Can two areas on the board contain the same number?
Yes. The rule is about sums, not unique digits. Multiple regions can each add up to fifteen, and the same numeral can appear in different areas as long as every cell belongs to exactly one region. What matters is that no cell is left out and no region's total misses fifteen.
Is there a time limit on the daily puzzle?
The description does not mention a timer. You can work through the daily grid at your own pace, whether that means a quick solve on the smallest board or a longer session on a 9x9. Nothing in the available information suggests the puzzle expires or penalizes slow solving.
What is the best board size for a beginner?
Start with 6x6. Fewer cells mean fewer possible groupings, so you can learn how connected regions behave without juggling too many constraints. Once the mechanic feels natural, move up to 7x7 or 8x8. The 9x9 board is best saved for when you want a longer, more demanding session.
Does Sum Fifteen Daily Grid work on a phone?
Yes. The game is built to run in a web browser on both mobile phones and desktop computers, and full-screen mode is available on either. That makes it practical to solve the daily puzzle during a commute or a break without installing anything.
Can I replay yesterday's puzzle if I miss a day?
The available information describes a new puzzle each day but does not mention an archive of past puzzles. If you miss a day, you may not be able to go back. The daily format is designed as a recurring habit rather than a backlog you catch up on.

Player Comments

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