Full list of all 12 Albert and Otto achievements worth 1,000 gamerscore. It takes around 2-3 hours to unlock all of the achievements on Xbox One.
Complete Episode One
Complete Episode One with 5 deaths or less
Collect all mail
Feed the wolf
Jump over a crow and shoot it before landing
Take this
Kill a crow while in mid air
Going the wrong way
Collect all fragments
Defeat the first boss without dying
Defeat the second boss without dying
Make it down the stream without dying