"You are standing at the end of a road before a small brick building. Around you is a forest. A small stream flows out of the building and down a gully."
Colossal Cave Adventure is the game that started the whole Adventure game genre, also known as Interactive Fiction. This is the original 350 point version from 1977. You can now enjoy this timeless classic on your iPhone, iPad or iPod touch!
(If you need instructions, just type "help".)