Quake

Type these console commands (Press the Tilte / backtick key):
GOD - God mode (If used too long, it'll say "John Doe has died of boredom!")
Give weapons - Give all weapons
Give ammo - Give full ammo
Give all - Give all items
Give red key - Gives red key
Give blue key - Gives blue key
FLY - You can fly (use D key for up, C key for down)
IMPULSE 9 - All weapons and items
IMPULSE 11 - Gives you jewels (1 for every time you use it, you can use it 4 times for all jewels)
IMPULSE 255 - quad damage mode
GIVE S # - Gives shotgun shells (replace # with number 999 or lower)
GIVE C # - Gives battery charge (replace # with number 999 or lower)
GIVE R # - Gives rockets (replace # with number 999 or lower)
GIVE N # - Gives nails (replace # with number 999 or lower)
GIVE H # - Gives health (replace # with number 999 or lower)
NOCLIP - Allows walking through walls
MAP E#M# - Warp to X map (replace # with Episode and Map number E1M8, E2M7, E3M7, E4M8)
NOTARGET - Enemies can't see you until you shot at em
SV_GRAVITY # - Sets the gravity (repalce with any number, lower is less makes you jump higher)