What is an Unstoppable Gorg?

A fair question, wouldn't you say?

Futuremark Games Studio, the folks behind Shattered Horizons and iOS title Hungribles, are at it again with Unstoppable Gorg - a game targeted for release on PC, iPad and XBLA. Now, you may wonder what an Unstoppable Gorg is - and this is the description provided by Futuremark:

"Unstoppable Gorg is a thrilling space defense game inspired by vintage sci-fi films from the 1940s and 50s. The game builds on the core tower defense mechanics that fans love while breaking the genre's conventions to create a more interactive and exciting experience."

Hope the pictures help fill in the blanks...