If you've been reluctant to try out UFO: Aftermath and UFO: Aftershock, why not give them a shot this time, now that they're both dirt-cheap? Neither easy nor short, these games will keep you busy for weeks on end. Until Monday, March 15 at 11:59 p.m. EDT, we're giving you a 50% discount if you buy both games or if you already have one and buy the other. If you buy only one game, you'll get a 30% discount.