High Concept document example
From Steve Vicent's Website:
"The purpose of this document is to provide a basis for a sales pitch for your product. Call it a résumé for your game. This document is a tool to get a meeting with a publisher/investor, at which you will make a real (more developed) pitch.
The document is structured in a series of parts. The first two are loosely defined, the third is more formal, and the fourth is a catch all for whatever did not fit the first three."
Here's an example, that I created when I was studying Principles of game design by Coursera. My fictitious game name is (DES)Construct it! (if you want the full PDF file, just ask)