I think the above theory is largely correct. Alex saves the crew of the North Wind, thus the crew of the North Wind never crashed and still existed in 1981 to pull Alex from the ice. My only issue with this is the setup to to the game relies on Alex rushing to be picked up by a ship that crashed in 1968. I guess it's simply plot convenience that Alex received a dispatch from a separate timeline (the one in which Alex rescues the crew of the North Wind.)?
I still got nothing on the man/men in hooded arctic suits are. I always assumed they were the same person, but as someone else pointed out they are infact different. Also, how does Kronos fit into the story? Was he simply a gatekeeper trying to prevent Alex from messing with the timestream and creating a paradox?
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