Number Island
Archive
Stats
Easy
Medium
Long
Number Island
/
Archive
/
Master
Master · 2026-09-23
Form groups of adjacent cells (above, below, left, or right) that add up to:
1
6
2
24
25
6
16
20
3
2
5
6
1
8
6
1
2
0
7
7
9
0
6
0
0
2
8
8
0
0
7
9
3
0
0
3
5
8
0
3
1
3
0
0
7
3
0
0
5
5
8
1
0
0
5
8
7
0
1
0
6