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Achievements
Do the following things to obtain the corresponding Gamerscore points:
| 10 Points |
| Good Realize | Reach level 2 with a score of 100,000 or more. | | | Good Begin | Finish level 1 in less than 3 minutes. | | | Elite Soldiers | Both players possess a Spread Gun at the same time at some point in the game. | | | Endurance | Both players must complete level 1 without losing lives in an Xbox Live CO-OP game. | | | Two Levels | Finish level 2 while playing an Xbox Live CO-OP game. | | | 15 Points | | Armory | Acquire 5 different weapon types. | | | Three Levels | Finish level 3 in Single Player or Multi-Player mode. | | | Shot Down | Destroy the helicopter without dying once. | | | 20 Points | | Four Levels | Finish level 4 in Single Player mode. | | | Team Players | Realize 300,000 points in an Xbox Live CO-OP game, while still alive. | | | 30 Points | | Five Levels | Finish level 5 in Single Player or Multi-Player mode. | | | 35 Points | | Master | Finish the game using only 1 credit. | | | | | | | | | | | | | |
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Activate Cheats
Select the 'Arcade Game' option at the main menu. Then, press Up(2), Down(2), Left, Right, Left, Right, B, A to get unlimited lives and an unlimited Super Machinegun.
Notice: Enabling this code prevents achievements from being earned and uploading of scores to Xbox Live Leaderboards. To disable the code, exit the game using the 'Exit Game' option in the pause menu.
