Do you believe in parallel universes and/or alternate realities? What if I say that they really exist and there lives a lot of people just like us? What do you think about the possibility of traveling from one universe to another? What if I say that Science in the alternate universe has reached such progress that we've never dreamed of and they managed to go over to our side? What if I say that they want to destroy our universe? So how would YOU prevent this from happening? You'll find out what to do only playing Transferal – a Portal 2 mod inspired by Fringe TV series and developing by team Twin Paradox.