Portal on a TI calculator! (new video)

Don’t forget to subscribe to for more calculator videos! This is a video of Portal Prelude, a Portal fan game by Builderboy2005, written in Axe programming language for the TI-83 Plus and TI-84 Plus series of graphing calculators, similar to the Flash clone for being in 2D. It was finished and released on December 1st 2012 at Discussion forum