Cremate and I have really been getting into TF2:MVM.
Its a first person shooter with a base defense twist. I believe the game is free to play still but to skip the 20the minute queue and pick up some awesome loot you need to buy tour tickets for 0.99$ each. Or do what we do and trade items we get for tickets. To give you an idea we played about 20 hours in the past week or so and I spent $5on total.. there is a huge in-game market but I never got into it like Cremate is.
The game revolves around a team of 6 and we'd love to get others involved to use vent and rock the teamwork. Cremate plays a medic and I play a heavy so if you want to join us focus on learning one of the other classes. We play on a few random nights a week but almost always two of the following evenings: Thursday, Friday, Saturday
Anyways... its a Steam game, check it out.... im on my phone or I'd drop a link for you.