Moon Stones

Gamer Score	Moon Stones Needed
0	Base
1	4
2	4
3	4
4	5
5	5
6	5
7	5
8	5
9	6
10	6
11	7
12	8
13	8
14	8
15	8
16	11
17	11
18	11
19	12
20	12
21	15
22	16
23	16
24	17
25	17