The indie marvel, The Binding of Isaac, is getting a huge update this Halloween that is set to go live at 12PM PST today. The roguelike, which plays like the original Legend of Zelda with a gothic setting is getting an infusion of new bosses, enemies, items, and an all new character. It's expanded further with Chapter 5 and a bunch of other stuff.

Here are the full details:

BIG HALLOWEEN UPDATE (with no actual lame halloween themes)

-Added chapter 5 (unlocked after 10 mom kills)

-Added 3+ new bosses

-Added 4 new enemies

-Added 20+ new items

-Added one new unlockable character (Eve)

-Added one new "FINAL" ending.

-Added 6+ new achievements

-Added 2 new music tracks

-Added updated collection viewer

-Added 4 new tarot cards (finishig the major arcana)

Fixes:

-lots of small bugs were fixed

-load time fixed

-a few minor item balances

The game's creator Edmund McMillen accompanied the announcement of the update with this terrifying illustration of Isaac, by @LeePfenninger.