category_pk,steam_app_pk
1,21170
2,21170
4,21170
6,21170
7,21170
8,21170
9,21170
10,21170
12,21170
13,21170
15,21170
16,21170
20,21170
21,21170
285,21170
287,21170
288,21170
290,21170
292,21170
297,21170