Originally Posted by TheCyberDruid
Yep, 2 and 4 share more than just the company, but both don't share much with the first one and 3 should just have been called 'Arena'. Anyway, here's still hoping for a Quake 5
I think Carmack is pretty much done with the series, so if there will be a Q5, it will probably be Raven at the helm again. No problems there, as the people at Raven are far better at creating interesting content with the technology that ID builds.