You are in the floodplains of North Africa, 95 million years ago.

The air in the mangroves was thick, quiet—too quiet. You were wading through knee-deep water near the riverbank, when a grayish-brown blur erupted from the foliage. It wasn't swimming; it was running on all fours, faster than a human.

The Kaprosuchus leaps towards you, baring its massive, dog-like fangs. It wasn't the slow, heavy movement of a regular crocodile; this thing moved with the agility of a panther.

It whips its head about, using its forward-facing vision to track you. It proceeds to corner you with a snarl, its jaws wide, ready to tear…