Well. I'm a Mac and he's a PC, so we can no longer mix in multiplayer, so in the vernacular that would be called "a bummer".

My brother and I have played over 10 1v1 scenarios in Multiplayer OOB, but since this week we can't find each other's challenges in the Open Challenge window. Whether I or he post a password protected challenge, we can't see each other's challenge in the multiplayer open challenge window. Also, when...

Shucks,
And I have just started with Order of Battle, specifically because me and my buds have Macs.....
Grendel...