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