Team play is crucial when it comes to Mega Man Battle Network 5: Double Team, the game that allows you to use characters from the Battle Network 4 series and go on a liberating mission like no other. Of course, the Navi is not the easiest thing anybody could ever experience, so we have prepared a list of unlockables that will really help you.
UNLOCKABLES
Connection bonuses
Have one of the following Game Boy Advance games in the cartridge
slot to unlock the corresponding bonus. Please note: Some bonuses are only available in the Japanese version of the game.
Crossover Points mini-game
Boktai, Boktai 2: Solar Boy Django, or Boktai 3. This will transform the Samurai Statue in GargoyleCastle to an Otenko Statue and the 100 Warrior hitting mini-game into a 1000 Bat hitting mini-game to earn Crossover Points. Go to the Zoktai trader that now appears in Oran Area 2 to get chips for your Crossover Points.
Battlefield battle music
Rockman EXE 4.5 Real Operation.
Cyber Battle battle music
Mega Man Battle Network 4.
Operation! battle music
Mega Man Battle Network or Mega Man Battle Network 2.
Shooting Enemy battle music
Mega Man Battle Network 3.
Merchant in Dad's Office
Mega Man Battle Network 2. The scientist will sell Full Energy, Unlocker, and Lock Enemy for half price.
Merchant in End Area 1
Mega Man Battle Network 3. The merchant sells Rapid+1 (Yellow), Charge+1 (Pink), and HP+500 (Yellow)
Folder Import option appears for saved games
Mega Man Battle Network 5.
Forte (Bass) saved game icon
Mega Man Battle Network 5.
Forte Cross Rock Man Effect
Mega Man Battle Network 5.
Soul Cross Megaman
Boktai 2.
Gold Program at Netto's homepage
Rockman EXE 4.5 Real Operation.
Can select Sol Cross Rock Man
Boktai 3.
Liberate Mission Blues (Protoman) and Colonel Dominant Chip power up
Mega Man Battle Network.
Liberate Mission Gyro Man and Shadow Man Dominant Chip power up
Mega Man Battle Network 3.
Liberate Mission Magnet Man and Knight Man Dominant Chip power up
Mega Man Battle Network 2.
Liberate Mission Medi and Toad Man Dominant Chip power up
Mega Man Battle Network 5.
Liberate Mission Napalm Man and Tomahawk Man Dominant Chip power up
Mega Man Battle Network 4.
Liberate Mission Search Man and Number Man Dominant Chip power up
Rockman EXE 4.5 Real Operation.
Program Advance combinations discussed in Random Bulletin Boards
Mega Man Battle Network 4.
War Folder from Heelnavi in Uranet 4
Mega Man Battle Network.
Gameplay footage from this fun DS title (sorry for the quality of the video):