Return Fire 2

- Map select:
Display the map selection screen.
Then click on the following four bolts (in order) on the box in the top right that displays your name:
top-left, top-right, bottom-left, bottom-right.
Now press the cursor keys to select a new map.

- Easter egg shrapnel:
While playing a game, press ~ to display the command line and type "easter!".
Then, all destroyed objects will create Easter eggs instead of shrapnel.

- Suicide jeep:
While in the command bunker, press ~ to display the command line and type "fubar!".
A jeep armed with a 1000 pound bomb will be created.
A single hit on this vehicle will cause it to explode.

Note: points, ranks and medals are disabled while this code is in effect.
(Information from Cheat Machine)