On May 22, 10:25*pm, steve wrote:
Two teams one from the USA, one made up from a selection of other
countries (EU Russia,Japan, China) are sent to Mars.
The winner is the team that survives the longest.
Sponsership and advertising should cover the costs.
If both teams can survive for a year they will be brought back to
Earth where fame and talk shows will guarantee them riches and a place
in history.

Any takers ?

The scarey part is one team trying to douse the other simply to win
the prize. I know the human animal well enough that the way you have
set up the game is not a good idea.