Number Island
Archive
Stats
Easy
Medium
Long
Number Island
/
Archive
/
Expert
Expert · 2026-08-11
Form groups of adjacent cells (above, below, left, or right) that add up to:
5
9
4
29
9
6
8
19
9
0
0
5
7
5
2
0
4
6
6
0
2
9
0
7
7
9
4
0
6
6
0
0
0
2
0
0
9
3
0
6
0
3
4
2
9