Here is the full list of all 58 PewDiePie: Legend of the Brofist achievements.
Die 100 times.
Defeat General Barrel on Hard Mode.
Defeat General Barrel on Bro Mode.
You defeated General Barrel on Pug Mode!
Defeat Snowbarrel on Hard Mode.
Defeat Snowbarrel on Bro Mode.
Defeat Snowbarrel on Pug Mode.
Defeat Falcon Lover on Hard Mode.
Defeat Falcon Lover on Bro Mode.
Defeat Falcon Lover on Pug Mode.
Defeat Barrel King on Hard Mode.
Defeat Barrel King on Bro Mode.
Defeat Barrel King on Pug Mode.
Complete all levels on Hard Mode.
Complete all levels on Bro Mode.
Complete all levels on Pug Mode.
Finish a stage on your last heart with 0 companion.
Buy Markiplier.
Buy Jacksepticeye.
Buy Cryaotic.
Buy CinnamonToastKen.
Buy Duck.
Complete 1 level on Pug Mode.
Buy all Attacks.
Buy all Defenses.
Defeat 10,000 enemies.
Defeat 25,000 enemies.
Defeat a Yeti.
Defeat a Illuminati.
9001 Brocoins in your pocket.
Collect 10 patches.
Collect 20 patches.
Collect 30 patches.
Collect 40 patches.
Collect all 50 patches.
Complete all levels on Easy Mode.
Die 25 times.
Watch the credits after beating the game.
Defeat Barrel King on Easy Mode.
1000 Brocoins in your pocket.
Die 10 times.
Defeat 1000 enemies.
Share complicated love and affection with a male.
Jump on 5 Enemy before touching the ground.
Jump on 7 Enemy before touching the ground.
Defeat Falcon Lover on Easy Mode.
Defeat Snowbarrel on Easy Mode.
Defeat 301+ enemies.
Defeat a T-Rex.
Jump on 3 Enemy before touching the ground.
Defeat General Barrel on Easy Mode.
Defeat a Unicorn.
Defeat 100 enemies.
Die for the first time.
Buy Marzia.
100 Brocoins in your pocket.
Defeat 10 enemies.
Defeat your 1st enemy.