If you open up your PC, you're going to see lots of wires. Make sure to cut all of them with a sharp knife. When you're done, try the game again and get back to us.
Ohhh, ok, I thought these universes were existing at the same time, but featuring different points in time. Gotcha
Perhaps he's laughing at Frank's warning?
I don't follow.
If they're living in the tangent universe, that's suggesting that there's another universe that's exactly the same, and so on. So, if Donnie knew this, then how come he let himself die to save Gretchen even though she already died in the tangent universe.
Did that come in...
The world was never going to end. Frank told him that so that Donnie's life would be taken instead of real Frank's and Gretchen's.
*Edit* It's also ironic, because Donnie never travelled forward in time, but backwards, and the whole time he was fixated on taveling into the future.