As Pitfall Master, you have total discretion to run the game as you please. We provide the world of Pao as a starting place, but you could use our rules to create whatever you think you and your players would enjoy!
Yes! Penguins are a playable species.
They are intrinsically proficient with chainsaws and hand grenades, and because the Penguin God hates learning new names, he respawns them when they die.
Don't see the answer to your question? Ask the project creator directly.