Nonetheless, what are your thoughts about this? Will it be Game Over for Bitcoin? Or will everything go back to normal soon? 
I think you got it wrong. Things are now back to normal, the anomaly was Dec 2017. It went up too quickly, and it corrected over 2018.
And, no matter what the price against fiat is, the network will work just fine. It can never be over, as long as there is electricity and some means of network communication.