"Lever" how would I ever guess that. I couldn't get past the first scene without knowing what key word the game wanted from me. PLEASE include "lever, sleep, get/take, drop and throw" on the ingame help. Also a heads up that "examine" can be used by itself.
Now I'm finally really getting started playing this.
EDIT: Luckily I managed to guess "inventory" is an action, too.
Have a look at this web page, it covers a lot of the basic commands that are used in interactive fiction games:
http://www.microheaven.com/ifguide/step3.html
I will. I didn't get back to the adventure yet, but I'm sure this will ease me in. I did get bitten by some dinos, I must say.
It wouldn't be 'Escape from Dinosaur Island' if they were all soft and cuddly!