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