Microsoft today announced that Sensible World of Soccer and Tempest will be available this week on Xbox LIVE Arcade for Xbox 360. Both games will launch this Wednesday, December 19th at 9:00 a.m. GMT (2:00 a.m. PST). Sensible World of Soccer allows you to challenge friends over Xbox LIVE, kick it solo in Career mode or flex your managerial muscles by leading a team to the Champions league. The game also features a helpful tutorial mode to bring players up to speed on the most popular sport in the world. Tempest is an intense shooter game requiring skill and lightning quick reflexes. Players must harness their firepower to shoot and destroy enemy hordes in a desperate fight for survival across fluorescent geometric battlefields. Tempest contains both the original and enhanced gameplay modes.