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