Attention:
Your progress in the game (masks, chapters, achievements) will be lost!
Saves for both versions of the game. everything that is possible is open = 3 well, except for achievements (I don’t know, maybe they can glitch and open, I can’t vouch = D)
Hotline Miami: Save Game (100% Save Game for Updated / Beta and Original: all masks + all levels are open) Free Download
For updated \ beta version:
Copy SaveData.sav to C: \ Users \ * name * \ Documents \ My Games \ HotlineMiami with replacement. Go into the game and you can either start from any chapter or start a new game.
For the original (old) version:
Copy the files achievements.dat and saves.dat into the game directory (I have it Steam \ steamapps \ common \ hotline_miami, but maybe you will have it differently) with replacement. Go into the game and you can either start from any chapter or start a new game.