Microsoft today announced that Sensible World of Soccer and Tempest will be released over Xbox Live Arcade on Wednesday, December 19th. Sensible World Of Soccer for Xbox Live Arcade will keep all the original touches that made it a genre influencing title, as well as introducing optional enhancements to bring its look right up-to-date whilst retaining all its rapid pick up and play-ability. In Tempest players must harness their firepower to shoot and destroy enemy hordes in a desperate fight for survival across fluorescent geometric battlefields. The games will be available for 800 and 400 MS Points respectively at 9AM GMT.