Planning regulations and certification can be a nightmare to navigate so when permission comes through, go hell-for-leather. Halo 4's new building space Forge Island was supposed to launch on April 11 but as it's now passed cert, 343 Industries tossed it out today for all to enjoy for free.
Forge Islands is a large new playground with three large islands of varying sizes above a pretty sea. They're all flat, so aspiring architects won't need to plan around obstacles.
Snag the 155MB download from the Xbox Live Marketplace now.
The 343 gang showed off the Forge Island at their PAX East panel, from 45:30 onwards: