We've just released Lite version of Cassandra's Journey: The Legacy of Nostradamus and after first reviews I began to think about how the perfect Lite version must look like? Please, take it seriously, I do not wanna read that "the best Lite is free full version" I think, this thread must be moved to other forum... oops, sorry, mods...
I think the perfect lite version would be just enough of a game for people to get into it and want to continue playing.
I think that the perfect Lite version should either have about an hour or two's worth of gameplay, but not timed, so that the user can enjoy it again and again before paying. Ideally, a lite version should offer a good mix of easier and harder levels, so that the customer has a good idea overall of what to expect when they buy the game.