About Rectangles #838
Rectangles #838 was the puzzle for Sunday, October 18, 2026, a medium one: 15 numbers to box in an 8 × 8 grid. Everyone who played Rectangles that day got the same puzzle, and it stays here to play for 60 days.
New to Rectangles? The rules, tips and common questions are on the Rectangles page, and How to Solve Rectangles Puzzles goes into strategy.
Other days of Rectangles
- Rectangles #841, Oct 21
- Rectangles #840, Oct 20
- Rectangles #839, Oct 19
- Rectangles #837, Oct 17
- Rectangles #836, Oct 16
- Rectangles #835, Oct 15
- Today’s puzzle, #851
Every day of the last 60 is in the puzzle archive.