Description: Yup, this is the clone version of Valve portal, but in 2D. If you haven't heard of the orange box, it's actually a video game compilation of Half-Life 2 series, Team fortress 2 and of course the Portal. All in one box at the same price. Portal is an action puzzle game. You wake up in a test chamber and you have to escape from 40 areas with the help of portal gun. The portal gun lets you open up to 2 portal, yellow and blue, bot can be act as an entrance or exit. And you can travel between these 2 portal. More detailed instructions can be found in game. Portal the flash is a very well made clone, although sometime the control can be somewhat frustrating. And you always have to wait for one portal to close in order to open another one. But still, this is a really fun and cool games and i'm sure you'll enjoy it.