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.
The wait is over!
Cloned Cube Alpha v.0.1 is finally available and released to the public.
Cloned Cube is a mod for Portal (1) that takes place after the original Portal with Chell's secret clone escaping. Designed by first time mod-creator, cubis, this Alpha version includes the first map plus a few unfinished extras.
YouTube version: Youtube.com