While playing the game, press ~ to display the console window. Then, enter one of the following console commands on a server to activate the corresponding functions:
In the Night Flight level in Multiplayer mode, when you start on the helipad, there is a flag directly south of you. Enter one of the warehouses just south and near the flag. Inside is a forklift that you can drive around.
Use the following trick to easily escape or get over barriers fast. You must have the grappling hook. If you find yourself outnumbered or on low health and need to get out of an area quickly, run and find a corrugated steel wall or any other high barrier. Throw the hook over the top. Climb over and the game will instantly transport you to the other side . As you run away, press G to gather up the hook and delay the pursuers greatly. Usually, the enemy will just give up chasing you.