Here is the full list of all 100 Cats Hidden in Jingle Jam achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
55
45
62
47
48
100
99
36
8
54
21
63
23
15
14
13
2
25
26
84
85
86
87
73
76
93
70
71
65
64
94
95
96
97
98
61
66
68
49
69
67
50
46
43
44
51
34
32
33
35
41
42
40
39
38
37
18
17
19
20
16
9
11
12
7
10
30
89
53
52
29
56
27
28
24
22
3
5
4
6
1
88
59
57
58
91
92
90
82
83
80
81
78
77
72
74
75
79
60
31