dragontamer, 10 months ago Portal 2 ends with you (Chell) placing a entry portal on Earth vs an exit portal on the Moon. That means the portals were ~2236 mph (aka Mach3) relative to each other.
Portal 2 ends with you (Chell) placing a entry portal on Earth vs an exit portal on the Moon.
That means the portals were ~2236 mph (aka Mach3) relative to each other.