Number Island
Archive
Stats
Easy
Medium
Long
Number Island
/
Archive
/
Expert
Expert · 2026-09-28
Form groups of adjacent cells (above, below, left, or right) that add up to:
2
48
8
8
13
4
10
2
4
5
2
0
0
7
2
8
0
9
9
9
4
0
8
0
0
8
0
5
7
3
0
9
9
8
0
1
6
0
1
0
2
8
4
0
0