Steam Store Tie-In: Purchase your Tickets via the Steam Store and get a special "Pacific Rim" promotional item (Badge or All-Class Helmet) for TF2. Tickets only available in 4 Packs.
Liked the look of this and was getting immersed - then I heard GLaDOS and everything was suddenly really silly and it was just big robots punching each other. Her voice really didn't fit at all. Ruined it for me.