Here is the full list of all 35 Hotline Miami achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.
Unlock all achievements
Kill the panthers using Brandon the Panther
Kill the crapping gangster with a fireaxe
Find Jones The Crocodile
Clear chapter 2 using Nigel the Bat
Go to the car 60 times
Wear all masks at least once
Kill three or more enemies with the same brick in one throw
Perform every ground kill in the game
use all melee weapon at least once
use all guns at least once
Get A+ on all the chapters
Collect all the masks
Beat the epilogue
Complete chapter five barehanded
use all throwing weapon at least once
Beat the epilogue with secret ending
Solve the puzzle
Collect all the puzzle pieces
Beat the mainstory
Unlock all weapons
Perform a 10x combo
Perform a 12x combo
Destroy 200 glass panels
Die 1000 times
Kill 99 dogs
Kill 1989 enemies
Kill an enemy with a brick bounced against a wall
Kill two enemies with the same brick in one throw
Use a human shield
Perform a 8x combo
Throw a weapon at an enemy so that his weapon hits another
Get an A+ on any chapter
Perform a 6x combo
Perform a 4x combo