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