The PC version of Ark: Survival Evolved just added some interesting new content in its v255 update.
The new beasts and pieces of technology available to players are outlined in the video above, but the press release sent out gives us a bit more information.
The new TEK equipment includes new building structures, a “TEK Forcefield” which "can be dynamically expanded or contracted", and some autodoors that can be customised as you see fit.
The main attractions are the new creatures though, which look set to kill players in new, interesting ways. They are as follows:
Electrophorus Beluadomito - A species of Knifefish, Electrophorus uses an electrical charge to zap its prey, bringing down smaller fish and eels. Tribes have been known to capture and tame schools of Electrophorus in order to use them for taking down larger aquatic animals.
Microraptor Gnarilongus - Resembling a bird with a reptilian face, Microraptor is a vicious predator that is instantly aggressive to anything its size or smaller (including humans). Able to jump, run and do short glides, Microraptor is incredibly dangerous alone or in packs, and when trained, they can even take riders right out of their saddles during combat.
Ammonitina Multiamicus - One of the more unique creatures of the sea, the Ammonite resembles a nautilus, but much bigger. For unknown reasons, an attack on an Ammonite brings forth the wrath of all neighboring sea creatures, who will fervently defend it. This makes it a challenge to kill one, though the rewards are often worth it - the shell itself is valuable (as it is rare) and the bile can be used to concoct a unique new pheromone dart.
Thylacoleo Furtimorsus - Also known as the "marsupial lion", Thylacoleo is a powerful predator native to the island's redwood forests. A strong bite - the strongest of any land mammal - and bolt cutter-like teeth, make this creature a formidable ambush predator, leaping from above to crush the necks of its prey.
So, they sound pretty deadly. The update is available now.