Angry Birds is famous for two things: 1. It's cheap. 2. It's a downloadable title. So it's bizarre that Angry Birds Trilogy, a collection of the original Angry Birds, Angry Birds Seasons, and Angry Birds Rio, is neither of those things.
It's hard enough for most makers of iPhone games to find an audience. The costs of doing so are now terrifying developers (and making some nearly pull their hair out).
Mass Effect 3's upcoming downloadable content pack, named Earth, brings the co-op multiplayer slugfests to the homefront with three Earth-based maps, new weapons, and a new (and punishing) difficulty tier.