The wizards over at PopCap Games have something cool up their sleeves for Peggle 2's near future: multiplayer!
Jared Neuss, Producer at PopCap Games for Peggle 2, posted a note on Facebook about the launch of Peggle 2 and how excited the team was that real human beings were now playing the game. He also hints that the team is working on a lot of content for the future and is focused on releasing Duels mode.
In Duels mode, players can compete against each other either through local multiplayer or online. The update that adds Duels to the game will be completely free of charge, allowing all Peggle 2 players to challenge one another.
More additions will be coming down the chute, but PopCap Games isn't ready to announce anything yet. But maybe if you beat them bad enough during the proposed community gaming night with the dev team, they'll give you some hints.