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.
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Introducing! A new element has been discovered by Aperture Science, creators of innovations like the Aperture Science Portable Quantum Tunneling Device, Repulsion and Propulsion Gels, Heimlich Counter-Manuever and many others!
The Non Organic Physics Barrier® or NOPB for short, blocks out non organic objects such as a metallic cube while letting organic objects such as a human pass through with almost no negative effects. Currently in Beta Testing, the NOPB will soon be released to the public!
Aperture Beta Testing
1981
***PRESS RELEASE 3954-24***
Editor's note, this product later failed due to bone mass reduction and was discontinued in 1991.