STORY : --------------- You start in a test hall of an unknow sector of Aperture Center. Find what is going on here ! PART 1 : ---------------- This part contains 3 open sky testing chambers. You will have to use lightbridge, faith plates, lasers and your ...

STORY : ------------- You continue your journey in that unknow sector of Aperture Center. PART 2 : -------------- This part contains a half open sky testing chambers. You will have to use lightbridge and your mind to solve this puzzles. BONUS : -----------...

STORY : ------------- You continue your journey in the Aperture Center. Try to escape that place ! PART 3 : -------------- This part contains two open sky testing chambers and a short escape area. You will have to use laser lightbridge and your mind to sol...

STORY : --------------- You continue your journey through the destroyed and deserted Aperture Center, on the surface. PART 4 : ---------------- This part contains 3 open sky testing chambers. You will mainly have to use pneumatic diversity vent. Two direct...