Here is the full list of all 12 Albert & Otto trophies - there are 7 bronze, 4 silver and 1 gold.
Take this
Going the wrong way
Kill a crow while in mid air
Feed the wolf
Collect all mail
Complete Episode One
Jump over a crow and shoot id before landing
Collect all fragments
Defeat the first boss without dying
Defeat the second boss without dying
Make it down the stream without dying
Complete Episode One with 5 deaths or less