Portals2010

Dr. Maniloe:
Do you play video games, Mark? Come on, a lad your age, of course you do.

Mark Walters:
Um... sure, yeah...

Dr. Maniloe:
Have you ever heard of a game called Portal?

Mark Walters:
Um... no.

Dr. Maniloe:
Oh, it's a fantastic game! You'll love it! It's essentially you have to travel between these environments, and in order to do that, you need to use your portal, which can take you from one point in space and/or time to another, and you use this throughout the game in order to overcome all the brilliant obstacles that one could imagine you would have when playing a video game. But anyway, essentially, uh, it's uh... it's uh... like uh...

Mark Walters:
It's like a puzzle?

Dr. Maniloe:
Puzzle! Exactly! Love that word! It's worth quite a few points in Scrabble as well. You don't play Scrabble, of course, though, do you?