Here is the full list of all 38 OUTBUDDIES achievements.
Complete the Boss Rush mode
Finish in < 7 hours
Finish with a max. of 7 resurrections
Escape Bahlam
Rescue all 80 Wozan
Reach 90% map progress
Hacking LV VI
Rescue 50 Wozan
Reach a missile stock of 100
Hacking LV V
Hacking LV IV
Reach 50% map progress
Hacking LV III
Hacking LV II
Rescue 3 Wozan
Hacking LV I