There are three ways to go with the Ferals, Orkeosaurus heavy; Squiggoth heavy or total hoard.
I like to play with 3 or 4 Orkeosaurus as these have the staying power whilst lumbering up over the table. To go Squiggoth heavy increases your mobility and hitting power but are more vulnerable to shooting . Or you forget all that and go Boarboyz, Junkatrukks and mobz with Squig Catapults.
It is possible to go with a combination of all three, but once you have added in your Steam Gargants, which are close to a must, and Wyrdboy upgrades you will find that you want to go with Squiggoths or Orkeosaurus.
Here is the list that I used earlier on this year.
Enjoy the Feral list they have some surprising combinations which will wake your opponents up
