Books: Game Boy Advance Secret Codes - Secret Codes 2003Last Updated: 4/11/03. Ghost mode Advance campaign mode Field Training bonuses Quickly finish Field Training Nell Sonja Stop enemy from building Load more units to transporter ships Olaf Advanced mode Bonus modes Bonus CO's in multi-player mode CO Drake CO Eagle CO Grit CO Kanbei CO Sonja CO Strum Sonja's secret missions In-game reset Deleted saved games
Ghost modeHold B during your turn.
Advance campaign modeSuccessfully complete campaign mode. Enter the battle maps screen and buy the "Advance Campaign" item for one coin. Hold Select and select campaign mode to begin and advanced campaign, with a more difficult CPU opponent.
Field Training bonusesSuccessfully complete field training mode to unlock the "War Room", "Campaign", "Design Maps", "Stats", and "Special Intel" options.
Quickly finish Field TrainingSelect the final battle in Field Training. Win that battle to quickly unlock all options that normally require Field Training to be completed.
NellGet an "S" rank in advance campaign and war room modes. Nell can now be bought at the Battle Maps screen.
SonjaFirst, win the "Kanbei Arrives" mission in less than 9 turns; the "Mighty Kanbei" mission in less than 11 turns; and the "Kanbei's Error" mission in less than 13 turns to unlock the bonus Sonja missions. Win the bonus Sonja missions in campaign mode. Sonja can be bought for 60 coins at the Battle Maps screen after the campaign is over.
Stop enemy from buildingPlace a medium tank or any other troop type on an enemy building.
Load more units to transporter shipsDeploy an APC and load a unit inside it. Next, load the APC to a Lander. You can also deploy T-Copter and load a unit to it. Then, load the T-Copter to a Cruiser.
OlafSent in by Austin Beating the regular campaign will unlock Olaf as a playable CO in Vs. and Link Mode, but you can also get some of the other COs as well. The only problem is that you have to pay for them and certain conditions have to be met to unlock them. Check the Battle Maps room after you beat the Campaign mode -- and Hachi will offer COs for sale (for 50 coins, so save up). Here are the conditions that have to be met to unlock certain COs: Olaf: Unlocked after beating Campaign Mode Grit: Beat Campaign Mode and use Max in Mission 4. Buy from Hachi for 50 coins. Eagle: Beat Campaign Mode and use Sami for missions 15, 16, 17, 18, then beat secret mission 22. Buy from Hachi for 50 coins. Kanbei: Beat Campaign Mode. Buy from Hachi for 50 coins. Drake: Beat Campaign Mode. Use Andy for missions 15, 16, 17, and 18. Buy from Hachi for 50 coins. Sonja: Beat Campaign Mode. Beat Mission 9 in 8 days (or less), Mission 10 in 10 days, Mission 11 in 12 days, then beat the secret missions 12, 13, and 14. You can then buy Sonja from Hachi for 50 coins. Sturm: Beat Campaign Mode and unlock all other COs. You can then buy Sturm from Hachi.
Advanced modeHold Select before entering campaign mode to play in advanced mode. In this mode, enemies are more difficult to defeat, but you receive more coins for completing each mission.
Bonus modesSuccessfully complete all missions in field training mode to unlock "War Room", "Campaign", "Design Maps", and "Stats" options on the main menu.
Bonus CO's in multi-player modeSuccessfully complete campaign mode, then go to battle maps to find more CO's that you can purchase for multi-player mode.
CO DrakeEnter campaign mode and select Andy. Successfully complete the Captain Drake, Naval Clash, Wings of Victory, and Battle Mystery campaigns and CO Drake will become available for purchased for 50 coins in the battle maps section.
CO EagleEnter campaign mode and select Sami. Successfully complete the Captain Drake, Naval Clash, Wings of Victory, Battle Mystery campaigns, and the secret "Rivals" battle and CO Eagle will become available for purchased for 80 coins in the battle maps section.
CO GritEnter campaign mode and select Max. Successfully complete mission 4 and CO Grit will become available for purchased for 50 coins in the battle maps section.
CO KanbeiSuccessfully complete campaign mode and CO Kanbei will become available for purchased for 50 coins in the battle maps section.
CO SonjaSuccessfully complete Sonja's secret missions and the campaign in campaign mode and CO Sonja will become available for purchased for 60 coins in the battle maps section.
CO StrumPurchase CO's Drake, Eagle, Grit, Kenbei, and Sonja and CO Strum will become available for purchased for 100 coins in the battle maps section. Note: CO Strum can only be used in "Vs." mode. He cannot be used as your CO to play war room battles.
Sonja's secret missionsSuccessfully complete CO Kanbei's missions in a limited number of turns to unlock Sonja's secret missions. Successfully complete Kanbei Arrives! in 8 or less turns, Mighty Kanbei! in 10 or less turns, and Kanbei's Error? in 12 or less turns. If you complete all of these missions within the time limit, you will continue into a hidden path in the story line.
In-game resetWhile playing a game, press Start + Select + B + A.
Deleted saved gamesWhen turning on the Game Boy Advance, hold L + Right + Select.
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