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