The official ABC hack Lexicon

A
AFKBot: Not really a hack but if this is turned on, you won´t get kicked out of the room for beeing AFK
Aimbot: A bot aims your enemy and you only need to shoot
Aimbot Bone Selection: Here you can select what to hit (Like head, dick, chest, arms,etc..)
Aimbot Visivle Check: You can choose if it should aim only enemies in sight or enemies behind a wall too.
Aim Hotkey Selection: Like the name says, you select on what hotkey the aimbot should start aiming)
Anti Kick: Like the name says, you can´t get kicked out of the room
Asus Wallhack: The walls are transparent (This is also called "X-Ray")
Autokill: You can go away from your PC and the bot kills all

B
Do not know any feature with B

C
C4 Instant Defuse & Plant: You press the defuse key and you plant/defuse in less than 1 second
C4 Defuse anywhere: You can defuse anywhere by pressing the defuse key
Crouch Speed: Basically like a speed hack, but you have to hold crouch and then you'll move much faster.

D
D3D 2D Box ESP: 2d boxes are drawn around the players
D3D 3D Box ESP: 3D boxes are drawn around the players
D3D Health Bar ESP: You can see the health of a player above him

E
Do not know any feature with E

F
Fly Hack: You can fly. Just look up and move and you will move up like stairs.
Fullbright: Your screen is like more grammar than 100, you can also see ghosts with this feature
FireMode Selection: You can select how the gun shoots ( 2 fire mode, 3 fire mode, 1 shot mode etc.)

G
Ghost Chams
Granada Time: You can set the time when the granade should explode

H
Hiding weapon: The weapon and your hands disappear. You only see the crosshair.

I
Instant Reload: You reload in less than 1 second.
Instant Granade: There is no delay until it hits something, just through and it will explode directly.
Instant Weapon Change: There is no delay if you change your weapons

J
Nope

K
Nope

L
Nopeeee

M
Master Ghost: You can walk as ghost and nobody can see you
Mutant HP Regeneration: Mutants gain HP faster than usual.

N
No Nade Damage: You don´t get damage if a nade explodes near you
No Smoke: Smoke gets removed from your screen.
No Sky: The sky gets removed and you see black instead of the sky
No fog: Fog gets deleted
No Spread: The bullets don´t spread. They hit where the crosshair is
No Recoil: Weapons don´t have recoil
No Fall Damage: You don´t get any damage if you land hard
No Scope Overlay: You zoom with snipers like M4A1 Custom
No Weapon Weight: The weapons weigh like a knife
Name ESP: There are names above the players
No World: All gets removed except the players
No Zone Damage: You don´t get damage from glitching etc.
No mutant Knockback: You don´t get a knockback if somebody shoots @ You


O
OHK (onehitkill): One bullet kills all
OPK: You stay at one place and the players get moved in front of you. (They don´t notice)
Overlay Chams:
Opposite Team Kicking: Back early when Cross Fire started, this feature used to be very prime. You are able to kick people on the other team.

P
Panic Key: Not lly a hack. It shuts down all hacks. (Useful if a GM joins your room)
Player Chams: All players are colored.
Phantom Chams:
Q
Nooope

R
Rapidfire: You can shoot with snipers and pistols very fast ( Semi-Automatic)
Rangehack: The range of your guns get increased to unlimited
Radarhack: You can see the positions of your enemies on the radar
Remote kill: You stay at one place and can kill all by clicking "fire"

S
Spy Hack: You can activate it and move anywhere, nobody sees you, when you deactivate it you fly to the position where you deactivated it.
Speed knife: You knife veery fast
See Ghosts: You can see ghosts
Speed Hack: You can walk/run very fast.
STW (Shootthroughwalls): You can shoot through walls
Silentclip: You can shoot and the sound of your weapon gets reduced.
Shotgun Spread: Instead of 1 bullet more bullets come out.
Silent Move: You can run or walk or whatever, nobody hears you
Superjump: You can jump very high
Ultrajump: You can jump into the sky

T
Teleport: You can save at a place and anytime load to that place.
Telekill: You get moved to the players and can kill them

U
Unlimited Ammo. The name says all!

V
Nope

W
WTW (Walk Through walls): You can walk through walls
Wireframe: All is drawn like a skeleton
Wallhack: you can see through walls, lol
Weapon ESP: You can see what weapons other players have (The weapon name above the players)

X, Y, Z
Nope