Chu Chu Rocket! - Platform: Dreamcast

Full pause screen
----------------- 
Press Start to pause game play, then press X + Y. 

Hidden artwork
-------------- 
Place the game disc in a PC compatible 
CD-ROM drive to find artwork in the "extras" folder. 

Dreamkey web browser
-------------------- 
This trick requires a Dreamcast keyboard, and can be used 
as a replacement for the standard Planetweb browser. 
Go to the Homepage in the main menu. Once the Chu Chu 
Rocket title appears, press [Ctrl] + O on the keyboard. 
The URL bar will appear, which allows you to type in any 
Internet address. 
This is same browser that the Europeans and Japanese 
Dreamcast owners have access to. 

Some advantages of the Dreamkey Browser include 
Better list interface and has arrow bars, which makes 
it appear closer to a computer web browser. 
Supports Flash 3. 

Better Javascript than the Planetweb browser. 
Ability to send and receive email with VMU files attached. 
Higher on-screen color count than Planetweb browser. 
Can Save Midi or Wav files to the VMU. 
Pages appear to load faster. 
Supports cookies. 

Keyboard shortcuts 
URL bar: [Ctrl] + O 
Reload page: [Ctrl] + R 
Bookmarks: [Ctrl] + B 
Mail: [Ctrl] + M 
History: [Ctrl] + H 

Save pictures from the web
-------------------------- 
You can save pictures onto your VMU while using Chu Chu's 
Dreamkey browser. Place the cursor over the desired picture 
and press X + A on the controller. 

Sonic Adventure Chaos
--------------------- 
Successfully complete each of the twenty-five challenge mode 
levels to transform the mice into Chaos from Sonic Adventure. 

NiGHTS angels
------------- 
Successfully complete each of the twenty-five mania mode 
levels to transform the mice into angels from NiGHTS. 

Hard mode puzzles
----------------- 
Successfully complete all puzzles in normal mode. 

Special mode puzzles
-------------------- 
Successfully complete all puzzles in hard mode. 

Mania mode puzzles
------------------ 
Successfully complete all puzzles in special mode. 

Taunt opponents
--------------- 
Press L or R during the battle games to taunt your opponent. 
Hold L or R to choose which taunt to use. You can also taunt 
even after you have won at the congratulations screen.