Land quickly and efficiently without using retros or taking too much damage simply by aiming Aquila's nose straight down and "flying" into the ground. Once Aquila is touching the ground in Jet Mode, it will force stall and change into Walker Mode once more (or you can change form manually).
Enter the following as case sensitive names:
!EVAH! pick level
B4K42 be invincible
105770Y2 get every bonus
NB. you can combine codes by entering one after another without any spaces.
You can combine two or more of the codes below into one long string of commands (without spaces) as a user name to turn on all functions at once.
To unlock everything in the gallery, begin a new game with the name 105770Y2.
To enable God Mode, begin a game with the name B4K42. Hit pause during gameplay to find the selection for God Mode, and toggle it on/off.
To unlock all of the stages in Campaign Mode, begin a game with the name !EVAH!.