The game of Spore is fascinating, allowing you to evolve a species from single cell to intergalactic traveler, interacting with other player's species as you go.
An very interesting idea. Save existing trees, plant new ones. Re-route the water. All by charging a dime a day to keep junk mail out of your snail mail box.
The RIAA and their friends in high places have managed to jigger the royalty rates so that independent web casters like my favorite RadioParadise are doomed. Read about it here.