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