Cloned Cube is a Portal mod. It takes place after GLaDOS' fall in Portal. You assume the role of Chell's secret clone. You have to escape or else you may just be tested to death. There is one obstacle. CUBiS is trying to kill you.
Cloned Cube Github
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Description
Cloned Cube is now available for download on Github. This means that I am able to track my process easier and release smaller updates quicker. Github.com
YouTube video: Youtube.com