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Explains how the mod came to being and a few shoutouts.

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Originally, portal is one of the well known games to speedrun.
Goodigo, a friend of mine who streams his runs on, had an idea to reverse all the maps in the game Portal.

And that's exactly what I did.

I had problems with Chamber 15 but with the help of Avetixz (a very nice guy) I managed to fix it so it can be played in the final game. (Huge shoutout btw)

Playing this "mod" requires no glitch knowledge what so ever, however, I recommend playing the original game first and understand the basic mechanics of Portal (e.g. Flings).

This mod was created in under a week or so and I learned a lot about debugging and had a lot of fun doing this!

Submit your runs at and see how well you played the game through!


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