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