User Guide

Note: All of the movement commands listed in this “Moving Around” section may be
reassigned to different keys in the Configuration dialog from the (see “Configuration
Settings” above).
TIP: When you're comfortable playing the game, try using the keyboard and the mouse
simultaneously. The mouse provides fine control for aiming your weapon (allowing you to
smoothly rotate right or left) while the keyboard permits you to activate the many useful functions
of the game.
Doors, Switches & Elevators
(These objects all have many different appearances)
SWITCHES: When you successfully operate a switch, it will change in some way (lights
p, flips a handle, etc.) If a switch does not change after a couple of tries, it is probably
assigned to do a task that cannot yet be accomplished.
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LOCKED DOORS: Some doors have security locks, and require you to have a
color coded security card
or skull key to open them. Other
locked doors are operated by a switch on a nearby wall. Rather than walking up to
the door, you'll need to operate the switch.
HIDDEN DOORS: Some doors are hidden. Many of these can be opened by finding a
switch. In some cases you just need to walk up to the wall and press the Use Key
. If
you've found a secret door, it will open for you. There are clues that reveal a secret
door a wall that's shifted down or a different color, a flashing light on a wall, etc.
ELEVATORS: You'll see platforms that raise and lower. Some platforms
operate continuously, while others must be activated. Some of them sense
your proximity and lower automatically. Others have a nearby switch.
Those without a switch can usually be operated by walking up to the
platform and pressing the Use key
TELEPORTERS: Teleporters can be identified by an evil symbol on the floor beneath
them. To use a teleporter, walk over the symbol.