Second level (House Of The Dead 2):
Successfully complete the training mission to unlock a second level in the demo. 

Rainy weather (Flag To Flag):
Highlight "Automatic" or "Manual" at the transmission selection screen. Then, hold L +
R + Down and press A. Continue to hold L + R + Down until the track completes
loading. 

Cloudy day (Flag To Flag):
Highlight "Automatic" or "Manual" at the transmission selection screen. Then, hold L +
R + Up and press A. Continue to hold L + R + Up until the track completes loading. 

Quick restart (Bass Fishing):
Normally, the game will return to the Generator main menu after the "Game Over"
screen. To prevent this, and allow another Bass Fishing game to start faster, quickly
hold A + B + X + Y and press Start at the "Game Over" screen.

Quick restart (PowerStone):
Hold A + B + X + Y and press Start at the victory screen after a match to restart the
game without going back to the Generator main menu.

Extra arena (PowerStone):
The following trick allows the arena that you can play in one-player mode to be used in
two-player mode. Begin game play in two-player mode then hold A + B + X + Y and
press Start at the end of the match. Select two-player mode again and have either
player select Gunrock as a fighter. Immediately press A at the stage selection screen
to select the extra arena.

Rumble gloves (Ready 2 Rumble Boxing): 
Hit your opponent frequently until the word "RUMBLE" is spelled out at the bottom of
the screen. Then, press L + R on controller two. Your gloves will turn white and gray
and the referee yell out "Rumble!".

Chao Puzzle VMU game (Sonic Adventure): 
Note: This trick requires two controllers, one into port A and the other into port D.
Insert a VMU into controller D and load Sonic Adventure. Press Start controller D and
"Chao Puzzle" should appear on the VMU. Press Start on controller A to pause the
game before playing Chao Puzzle. Note: Allowing the game to continue while playing
the Chao Puzzle will cause it to freeze.

Soundtrack:
Start the Dreamcast without a disc to access the audio CD player. Insert the game
disc and play tracks two and above to hear music from the game.