
Preleminary level file spec. This is not yet coded!

level name

help text

For each possible player:
    sprite type
    start location
    ...

end condition
    certain time
    certain number of deaths
    ...

background image and mask

other sprites and sprite generators

gravity, elasticity, air resistance, wind etc

events
	at time t do that etc

wrap-type
	wrap left-right
	wrap up-down
 