The Mass Effect 2 Exclusive Reveal Dev Diary on GameTrailers.com offers a look at BioWare's upcoming RPG sequel in a clip carrying this description: "Prepare to be hunted by assassins and hounded by duty on an impossible suicide mission." The clip includes gameplay footage and developer commentary reflecting on what they showed of the game at E3. They go into detail that could be considered spoilery about the game's story and gameplay, including a discussion of more physics-oriented combat, the cover system, heavy weapons, an "interrupt system" for ending tedious conversation, richer locations to explore, and more.