Quartal - A port of Portal for the PSP Based on the portal gun mod by siska.robert
The PC demo of FIRST SLICE This is the same as the PSP, but with a different map instead of tc2 ENJOY!
The demo of Quartal: Still Alive Features: Fixed Portal Gun Test Chambers 0-2 Simple Cube-Based Puzzles Modified Quartal Maps
I think it would be right if I'll post the source code
Yes it is Quartal 2.5,sorry for the bad game,and thanks all, it does not live up to your expectations. Its Have many bugs and glitches. me need coders...