Rainbow Six - Platform: Dreamcast

Avatar God mode 
---------------
While playing a game, press Analog-stick Up + D-pad Down 
+ B to toggle invincibility for your character while leaving 
the remaining members of your team normal. 

Team God mode 
-------------
While playing a game, press Analog-stick Left + D-pad Down + 
B to toggle invincibility for your entire team. 

Heavy breathing 
---------------
While playing a game, press Analog-stick Down + D-pad Down + 
B to toggle heavy breathing. 

Big head mode 
-------------
While playing a game, press Analog-stick Up + D-pad Down + X 
to toggle big head mode. 

Megahead mode 
-------------
While playing a game, press Analog-stick Left + D-pad Down + X 
to toggle megahead mode. 

Polska mode 
-----------
While playing a game, press Analog-stick Down + D-pad Down + X 
to toggle polska mode. 

Stumpy mode 
-----------
While playing a game, press Analog-stick Left + D-pad Down + Y 
to toggle stumpy mode. 

Brains mode 
-----------
While playing a game, press Analog-stick Up + D-pad Down + Y to 
toggle brains mode. 

Side scroller mode 
------------------
While playing a game, press Analog-stick Down + D-pad Down + Y 
to toggle side scroller mode. 

Clodhopper mode 
---------------
While playing a game, press Analog-stick Left + D-pad Down + A 
to toggle clodhopper mode. 

Rudeness mode 
-------------
While playing a game, press Analog-stick Right + D-pad Down + A 
to toggle instant death for anyone near you. Note: If you have 
the "Team God mode" code enabled your men will keep repeating 
"Watch you fire!". 

Victory conditions 
------------------
While playing a game, press Analog-stick Up + D-pad Down + A to 
toggle victory conditions. This will prevent the mission from being 
lost if you trigger an alarm or the terrorists shoot the hostages.