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