Tier 3 is an upcoming mod for Portal and Portal 2, it will take place in the year or so before Portal. Kat, the main character, is an elite test subject raised for the sole purpose of being the perfect test subject. Over her many years of testing, she has exhibited the kind of behavior GLaDOS hoped for. However, the Aperture Science Handheld Portal Device is nearly finished and Kat yearns to see the outside. After all, GLaDOS won't need her after she can finish the ASHPD, right?

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Add media Report RSS Some of our metal textures put into use... (view original)
Some of our metal textures put into use...
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CX7000
CX7000 - - 59 comments

It reminds me of an old video game...LOVE THEM

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medve
medve - - 1,475 comments

lightsources pls

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WetDogSquad
WetDogSquad - - 259 comments

Woah man, these mushrooms are.... Woah....

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DeadPhaker
DeadPhaker - - 148 comments

reminds me of minecraft with some kind of a texture pack and better lightning... :O

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Cosine
Cosine - - 86 comments

Looks ok, but your map really needs lighting.

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