Key Of Destiny:
Beat the game to unlock the Key of Destiny which allows access to the different paths and endings.
Alternate The Adventure Begins level:
Beat the game five times to unlock a more difficult version of The Adventure Begins level.
Unlockable Characters:
Unlock the following characters by performing the corresponding tasks:
Bill Grey – Take the path that starts with the “Falco To The Fore!” mission.
James McCloud – Take the path that starts with the “Dash Makes A Choice” mission. James McCloud does not appear until near the battle’s ending.
Katt Monroe – Take the path that starts with the “Pigmas’s Revenge” mission.
Peppy Hare – Take the path that starts with the “Andross’s Legacy” mission.
Unlockable Difficulties:
Beat the game to unlock Hard difficulty. Unlock all four endings to unlock Super Hard difficulty.
Gallery:
Beat the game to unlock the Gallery.
Alternate music:
Beat the game with all endings to hear music from Star Fox 64 at the title screen and main menu.
Never miss barrel roll into ships:
When you are at the end of a mission where you destroy the base, perform a barrel roll before you go through the beacons. You will continue to infinitely do barrel rolls as you go through the beacons and destroy the ship.
Extra missile for the Great Fox:
To get an extra missile for the Great Fox, destroy all enemies on the radar at an enemy base of fleet before collecting the last core. Finish the stage and go back to the map to get the extra missile.
Stealing stars:
While playing in WiFi mode, after someone is shot down, fly through the star while rolling to collect it.