Game Cheats Codes

Foundation multi-player map

Successfully complete single player mode on any difficulty setting to unlock the Foundation multi-player map. Note: There is a glitch that prevents some people from unlocking the map as it was originally intended. The way it has been done successfully is as follows: Successfully complete single player mode on any difficulty setting. Create a new profile. Begin a co-op game on the last level with the newly-created profile with the second player. When you reach a section where you fly a Banshee, the new profile must perform a barrel roll and a loop-the-loop. Finish the campaign and the new profile can access the Foundation map when hosting split-screen, System Link, or Xbox Live games. Alternately, if you have Xbox Live, go to the Microsoft Content download menu. Then, download all recently updated content. Go to a game menu. Go to change the options, then change the map. It should be at the very bottom. Continue reading »

Random message

Go to “Settings” at the main menu, then press Y to create a new profile. Enter “.fortune” (note the period character) as a name. As soon as you enter the last letter of the name, a strange random message will appear. Every time you enter this name, you will get a different message. “.fortune” is a reference to a feature on the Linux/Unix operating system.

Successfully complete the last level of the game in campaign mode on the legendary difficulty setting. The new ending features a human and alien fighting hand to hand. The human will say “Its over”, and then they hug because they know the explosion will kill them both. Also, the FMV sequence of each battle scene will be slightly longer.
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Level select

While playing the game, press Left(4), Black, Right(4), White to unlock all levels.

While playing the game, press Up(2), Down(2), Left, Right, Left, Right, B, A to spawn a medpak that will restore 25 points of health. -From: jeanmbrooks@min.midco.net and maybeanthony@gmail.com
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While the girls are answering the questions, press Y to freeze and resume the video, including while they are flashing.

While a girl is flashing, repeatedly tap X to hide her face. A cow will moo while this is done.
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Challenge mode

Successfully complete the game to choose any level for game play.

Play the Civilian Base 1 level. Notice the room that cannot be accessed, but is visible on the map when you examine the second large room. This room is on the northern side. Aim manually and destroy all of the lights in the mission. When this has been completed, return to the northernmost big room on the map. You can now pass through the wall when Meteor Crashing. There is a picture of development team in that room.
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