Ice

From publisher blurb: A mission to help natives of an arctic planet drill down to life-giving liquid water turns into a fight for survival as the operation unleashes a deadly danger from the icy depths. The PCs find their weapons useless as the citizens are cut down, and they must turn to other means to prevent the massacre. But the enemy has an unexpected advantage that might render the heroes’ actions moot and make them victims as well. Ice is a short adventure for 2D6 science fiction RPGs such as Cepheus Engine and the Original Science Fiction Roleplaying Game.