ASCIIpOrtal by Joe Larson

Inspired by Increpare's Portile game
http://www.increpare.com/2008/11/portile/

And Super Serif Bros
http://foon.co.uk/farcade/ssb/

And Valve's Portal.

Sound Design by Steve Fenton
with additional music by Yorkii

Level Design / Beta Testers
Joe Larson
Nicholas McGuire
Mads Lund
arminwagner
Sparky
i300

Think that was too easy?
From the main menu choose 'Change Map Set' and type:
CHALLENGEME