Here is the full list of all 26 SUPERHOT achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Kill over 1987 Red Dudes in endless mode.
Become part of the community.
Get RED ending in every level of SPEEDRUNrt challenge.
Get RED ending in every level of SPEEDRUN challenge.
Kill 3 Red Dudes with one shotgun shot.
Kill 100 Red Dudes with a rifle.
Launch every app in the system.
Kill 100 Red Dudes with a shotgun.
Upload a replay on killstagram.com
Kill 2 Red Dudes with one katana throw.
Kill an enemy by jumping on him.
Kill 100 Red Dudes with a katana.
Complete the game.
Cut bullet with a katana.
Get back to the system after being expelled.
Kill 100 Red Dudes using melee.
Score 100 headshots.
Kill 100 Red Dudes with a pistol.
Complete SERV level.
Kill 3 Red Dudes with one rifle burst.
Shoot down a bullet with a bullet.
Complete SUBWAY level.
Unlock all endless levels.
Find all secrets.
Beat all Challenges.