At last, someone has cracked. It was surely only a matter of time before someone leaked what the hell Halo 3 Epsilon was. We only spoke of it this morning, and it seems we were a tad off. Hit the jump for the official e-mail that Xbox-Scene were lucky enough to receive.

The e-mail read:

Congratulations on being selected to participate in the Halo 3 Epsilon! The Epsilon is now available for download on Marketplace!

First, unlike the Alpha, Beta or Delta, this is a very special test in that not only will you be testing nearly final Halo 3 Matchmaking, you will also be able to:

• Play Multiplayer on six maps: Snowbound, High Ground, Valhalla, Last Resort, Epitaph and our new big map, Sandtrap.
• Play Custom Games and test out full game variant editing.
• Play with the Forge and be able to cooperatively edit and save multiplayer map variants.
• Play up to 4 person co-op on a single Campaign level.
• Play and test the full Saved Film functionality, including screenshots you can view in-game for Campaign, Multiplayer and Forge.

So it is an update of the Beta in all truth, but with rather a lot more. Even a campaign level has been thrown in. Bungie may well be a tad pissed off that this got leaked, but it was inevitable, someone always cracks. Thank God they did; now Halo fans can be even more upset that the game is still over a month away, but at least they know what the Microsoft boys are up to.