Fast Grizzly
For an added challenge, push simultaneously F1, F2, F3, F4. You will now have superfast grizzlies.

Reveal Bear
While playing, type "ghbear". An arrow will show you where the bear are.

Zombie Bears
To turn your bears into zombies, here's what you do.
First, kill a bear. Then, throw the bait near the bear and release the dog.

Undead bear:
Kill a bear, then throw bait near the carcass and release the dog.