Halo 2's iconic E3 2003 demo, much of which did not appear in the final game when it launched a year later, will finally be playable next week via a Steam Workshop mod for Halo: The Master Chief Collection on PC, just in time for Halo 2's 20th anniversary.

Back in 2003, before Halo 2 launched, Bungie showcased a gameplay demo that featured Master Chief on Earth fighting aliens. This level, known online as Earth City, didn’t ship with the retail game in 2004,

Microsoft and Halo Studios have announced that they will be celebrating Halo 2's 20th Anniversary by bringing a remastered and playable version of the iconic E3 2003 gameplay demo to Halo: The Master Chief Collection,

This put us in a bit of a quandary,” said Kenneth Peters, Halo senior franchise writer in an Xbox wire post. “Even the original executable is difficult to work with, as you