Complete the indicated task to unlock the achievement.

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