Although it doesn't have a release window any tighter than "northern summer", Ska Studios does have a launch trailer for Charlie Murder, its latest Xbox Live release.
Charlie Murder is a four-player action effort about a band with some interesting extra-curricular hobbies, like beating things up.
Ska Studios is also known for Xbox Live releases I MAED A GAM3 W1TH Z0MB1ES 1NIT!!!1, Dishwasher: Dead Samurai and Dishwasher: Vampire Smile, which is headed to PC. The two-man indie has nothing but love for its publishing partner.