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