If I was by myself... I'd strongly consider getting a room somewhere convenient, and planning on wandering around outside the game looking for a single cheap ticket. There will be some of those floating around, especially if it is cold and raining. If you start out 90 minutes before kickoff, and walk around a lot, and make it clear you are looking for one ticket, you'll probably find someone who had one person bail on them and has one extra. The resellers don't like singles, and you don't want to deal with them anyway... wear all your Seahawks stuff. I bet you'll find a ticket for face or close to it.
If that fails, make a backup plan to meet some .NET folks for beers and watching the game. Temple is a great place to pre funk, not so great to actually watch the game, but good people there...