To bring up the console puhs the ~key and type the following codes,followed by the enter key.

Press P to display coordinates - bind p positions
Moves to selected coordinates - a_moveme [x,y,z]
List available maps - dir maps
Start a map - map (map name)
First person view - +6dof
Toggles fly mode; Press [Jump] to fly - fly
Kill all creatures on level - ode to jack
God mode - impulse 11
View end sequence - bigfinale
No clipping - noclip
Large magic attack - impulse 10
Display "Technically, this is an easter egg." - impulse 42
Instant death (1 of 5) - impulse 43
Instant death (2 of 5) - impulse 69