And the Deep Blue Sea

From publisher blurb:

The party may have met its match in the form of sea creatures on the planet Kanaloa that have targeted an oceanborne reclamation facility for attack. As the casualties mount, the PCs struggle to keep the creatures in check and find the reason for their aggression. But that reason might have nothing to do with the animals’ normal behavior. What is motivating them to violence? And will the heroes’ efforts to find out also make them victims?

And the Deep Blue Sea is a short adventure for Cepheus Deluxe, Cepheus Engine, and the Original Science Fiction Roleplaying game. Other 2D6 systems can easily be adapted.