Peter Molyneux's first post-Lionhead game, Curiosity, holds a big mystery and now it promises DLC with a colossal price tag. The game -- the first of 22 experiments -- will reveal a secret to the gaming guinea pig who deals the final blow to a single black cube. Shortly after its release, chisels that pack a mightier punch to the monolith will arrive as DLC for those who long to crack the container open. Prices for the downloadable tools will start around $1 (59 pence) for an iro