Trespasser

[Ctrl] + [F11] - Give you access to the Console, you have to type to see it, it's at the bottom left corner.

BIONICWOMAN - Jump high, but run slow.
INVUL - Invulnerablitly.
LOC - Location.
GORE 2 - Enhances level of blood.
DINOS - Pause Dinos in tracks.
BONES - Shows outline, of things you can interact
with, or just shows objects.
WOO - Unlimited ammo.
TNEXT - Transports you through important locations
on the level.
GORE - Fatal error.
WIN - Ending movie.
SORT - Fatal error.

You can also jump to any level by hitting [CTRL] + [Shift] + [Q] + [W] and then letting up on [W].
(Information from Cheat Machine)