checked-no =>All Ships: On the main menu, hold Z+[L]+[R] and press cDx4 cR cU cL. The screen will flash green if entered correctly. =>Infinite Energy: While playing, hold Z+[L]+[R] and press (cU cD cL cR)x2. =>Infinite Ammo: While playing, hold Z+[L]+[R] and press cDx2 cLx2 cRx2 cU. =>Infinite Time: While playing, hold Z+[L]+[R] and press (cU cR cL cD)x2. =>Super Combo Challenge: Reach this mode by completing all 3 challenges. =>Velocitar Track: Earn at least the bronze medal in the Race mode to access the hidden Velocitar track. =>Piranha II Ship: Earn at least the bronze in all the Time Trial challenges to get this special, weapon-enhanced vehicle team. =>Cyclone Mode: Earn at least the bronze in the Weapons mode to gain this upgrade, which doubles all your attacks.