1. Round up all of your friends and hop online with Halo 3 or ODST any time next from 00:01AM PST Wednesday, 1/20, through 23:59PM PST Thursday 1/21.
2. Edit your appearance settings so your character is wearing the RED HEART emblem.
a. Press START
b. Select “SETTINGS” / “APPEARANCE”
c. Select “EMBLEM”
d. Select “Hearts” ICON, “Circle” BACKGROUND
e. Back out to the APPEARANCES menu and select “COLORS”
f. Set “EMBLEM PRIMARY” to RED (or MAROON / BRICK / ROSE depending on which game you’re playing!)
g. Set “EMBLEM SECONDARY” to WHITE
3. Once your emblem is set, play! This can be a custom game or a matchmaking game, just make sure it’s played online, on Xbox LIVE, or we can’t track it.