Theories by user

Same Portal Theory (doubtful)

Same Portal Theory
Theory history
Submitted 2010-06-02
Doubtful 2012-10-25

Guys I think that new portal that arrives in the end of sub 6 could be the old rusty teleporter from the beginning.

Then my theory is that someone took the old one and put it in this Egyptian room where you can manipulate the time.

And so the rusty teleporter becomes new.

See also