Explorer the facility when it was functioning at full capacity before the GLaDOS project. chapter 1 is just a intro and is not very complicated. edit 1: Added test chamber signs. (Thank you higgi) https://steamhost.cn/steamcommunity_com/id/LordHiggi/...

Explore the facility when it was functioning at full capacity before the GLaDOS project. chapter 2 is was originally much more complex how ever due to multiple issues in hammer and the map corrupting a few time i gave up on that map. EDIT 1: Updated to cha...