Magic square challenges
Pick a date on the calendar, then play that day’s puzzles — tiers map to 3×3, 4×4, 5×5, and 6×6 grids (medium difficulty generation).
The calendar highlights the last 90 days through Jun 13, 2026. Direct links still open older dates (for example /magic-square/challenges?date=… or /magic-square/play/challenge/…). Future dates are not available yet.
MonTueWedThuFriSatSun
Play this day
Friday
May 8, 2026
Each date has four fixed puzzles (one per tier). Select a level to start — check, hints, and timer work the same as in quick play.