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