If you are interested in a very fast guide :
Timestamps:
00:00 Intro + Self-sacrifice Achievement
00:59 Story Present + Town Musician of Bremen Achievement
04:08 Story Future Ending 1 + 13th Deer Achievement
07:23 Story Future Ending 2 + The Trudeer Show Achievement
08:49 Counting Sheep, Deer-hunting Achievements
09:18 Dead or Deer Achievement
09:33 God Disguised as a Cow, Kept you Waiting? Achievements
10:19 100% BEEF Achievement
10:47 Like a Truck, Dunkleosteus Achievements
11:20 The Devine Move Achievement
12:30 Genius Achievement
13:19 Rhinosaber Achievement
13:49 Big Time monkey. I am Deeeer Achievements