Something new to do with Tony Hawk's Pro Skater has been being teased over the past few days. An official countdown on the website seems to indicate that the project is Pro Skater 3+4. Further evidence of this can be found in the source code,

Although recent rumors and teases point to Tony Hawk's Pro Skater 3+4's existence, one image essentially confirms it.

According to the often-accurate Xbox leaker, Microsoft will announce Tony Hawk's Pro Skater 3+4 at the Xbox Games Showcase this summer. Furthermore, eXtas1s also claims that the game will release right after the show - effectively making this a shadow drop from Team Green, if it happens.