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Portal: Combined Technologies, also referred to as simply "Combined Tech", is a puzzle, story, and combat driven Portal 1 mod (recently being converted from portal 2)that links the stories of Portal and Half-Life using the concept of the "multiverse device" introduced in the PTI update to Portal 2. This mod will include partial custom voice acting for a couple new characters, plus modified in-game character voices for Cave Johnson and GLaDOS; various new weapons, new enemies, a custom story playing off both Portal 2 and Half-Life 2, and many other things.

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OskiWolf
OskiWolf - - 335 comments

The Ernergy Ball has a new effect or maybe and like the other time Gravgun rest AWESOME !

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MrGermandeutsch
MrGermandeutsch - - 198 comments

There is a high chance of killing myself right after finishing a test.

Curiosity killed the Test Subject

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Guest
Guest - - 690,224 comments

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Description

Releasing these images here because since I might not be working on this mod much anymore, I figured I might as well share what I've got.