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.
Bring up the front is new spark sound effects, next there are some cheesy explosion sound effects, and then there are some new Portal Gun Sounds. Just to let you know, none of the NPCs' (turrets)sounds will change. Hope you like these.
Very broken down and old-sounding. I like it. The explosions remind me of Metroid Fusion on the Gameboy Advance.