| Achievement | How to unlock
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|---|
| Access Denied (10) | Complete SUBWAY level. (Secret)
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| Bored (27) | Launch every app in the system. (Secret)
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| Can't get enough (43) | Kill over 1987 Red Dudes in endless mode.
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| Charted (38) | Find all secrets. (Secret)
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| Conserve Ammo (21) | Kill 3 Red Dudes with one shotgun shot.
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| Deep Web (24) | Become part of the community. (Secret)
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| Dudes (13) | Kill 100 Red Dudes using melee.
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| Full Package (41) | Unlock all endless levels.
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| Get REDy (37) | Get RED ending in every level of SPEEDRUNrt challenge.
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| Hercules (51) | Beat all Challenges.
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| It's a me, Mario! (13) | Kill an enemy by jumping on him. (Secret)
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| Just (12) | Kill 100 Red Dudes with a pistol.
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| Killing (16) | Kill 100 Red Dudes with a shotgun.
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| No they didn't (11) | Shoot down a bullet with a bullet. (Secret)
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| One of us (13) | Complete the game. (Secret)
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| Pointless but cool (14) | Score 100 headshots.
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| Pumpkin Spiced SUPERHOT (43) | +0.3There are no guides
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| Ratatatata! (16) | Kill 3 Red Dudes with one rifle burst.
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| Red (20) | Kill 100 Red Dudes with a rifle.
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| Shishkebap (16) | Kill 2 Red Dudes with one katana throw.
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| So it is possible! (16) | Cut bullet with a katana. (Secret)
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| Spread the system (15) | Upload a replay on killstagram.com
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| Stand REDy (29) | Get RED ending in every level of SPEEDRUN challenge.
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| We Can See You (11) | Complete SERV level. (Secret)
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| We Told You To Leave (12) | Get back to the system after being expelled. (Secret)
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| With a katana (16) | Kill 100 Red Dudes with a katana.
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