Moto GP 2

Play in legends mode:
Unlock all challenges 62 through 66.
Challenge 67 should be the legends mode.

Unlocking characters easily:
Begin a stunt mode and win the race in professional mode.
Burn out at the start until the counter reaches near 30000
but do not go off the track.
To unlock every characters, do this for about 8 tracks.
Required a bike with at minimim half of the all stats bar.

Mini-games:
Enter to options menu and insted of watching video credits, watch the text
credits. Scroll down until you get to the credits for the mini-games. Hit
the button A, when it appears on the screen.

Sheridan track
Finish all the challenges in championship

Season Highlights video
Win 1st place on any track to watch it's highlights video

Unlock cheat options:

Unlock Turbo cheat: Get 275 championship points
Saturate cheat: Get 300 championship points on rookie
Pop Video cheat: Get 375 championship points
Edgy cheat: Get 325 championship points


Racers:
Unlock Carlos Chera
Reach more than 100,000 points in stunt mode to get access to Carlos Chera.

Unlock Alex Barros
Reach more than 250,000 points in stunt mode to get access to Alex Barros.

Unlock Max Biaggi
Reach more than 500,000 points in stunt mode to get access to Max Biaggi.

Unlock Tohru Ukawa
Reach more than 750,000 points in stunt mode to get access to Tohru Ukawa.

Unlock Valentino Rossi
Reach more than 1,000,000 points in stunt mode to get access to Valentino Rossi.