Practice Collection

Curated Zip Puzzles by Size

Explore the fixed 50-level practice collection, from quick 4×4 starters to demanding 8×8 boards derived from verified official constraints.

4

4×4 curated practice

2 curated levels

★ 1

5

5×5 curated practice

3 curated levels

★ 2

6

6×6 curated practice

10 curated levels

★ 3

7

7×7 curated practice

20 curated levels

★ 4

8

8×8 curated practice

15 curated levels

★ 5