From LEGO Batman Wiki
This is the Batcomputer, Batman's ultra-top-secret Computer located in the Batcave. There's a lot to do here, so just click on some links, and get started.
Hero Database - Find out about the Heroes of Gotham City, and what their secret Identities are!
Extra Data - This is extra Data for many different Heroes of Gotham. Like what they Drive, their Weaponery, etc.
Villain Data - You'll need to know everything about Villains to fight them!
Batmissions - Play Batmissions to earn new extras
Field Ops - Gotham needs you. Play a new Field Op each week. Coming Soon
Hero Gear - Find everything for your Hero. From New Suits, to Upgrades. Even new Characters. Coming Soon
BatFacts - Find out more about Gotham City, Batman, Villains, and other things.
Lego Sets - Learn about the Batman Lego Sets, from the Batmobile to the Batboat!