To unlock the Expert Mode and the sound test Graphic Equalizer,
you must get medals on all 15 levels.
To play on foot in Vs. mode, earn a medal on Venom in
Expert mode.
To get Tanks in Vs. Mode, earn a medal on Venom.
Beat the game in Expert Mode and wait for the credits
to end. Depending on whether you went through Venom 1 or 2, you will get
two different pieces of Star Fox Art.
At the title screen, just use the analog control stick
to move the 64 around.
At the end of Corneria with the walking robot...do a loop through his legs without hitting his body and a 1up will appear.
In Sector Y when your wingmen fly in formation hit the
booster and fly with them and a 1up will appear.
In Sector Z, to refill your energy quickly, fly through the back of Greatfox. You'll see a movie clip for about three seconds and you will re-emerge from the front of Greatfox with full energy.