Two Valve universes collide, when you pre-order Left 4 Dead 2, which nets you a exclusive hat in Team Fortress 2. If that isn’t enough, the 10% off the price might be an incentive. L4D2 will be available November 17th.
In addition, the L4D2 demo is live! In case you’re on the fence of buying it or not.
Pre-Order Giveaway Madness! [TF2 Blog]
