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