I don't have any other copies of this save :G
Any ideas what could happen to the save's zip? I hope it's not something with my HDD...

1st things 1st, sry for my English, i'm from Poland kappa.

Just a normal game, no mods, ~150h played, map to catch achivements on Steam. Unexpected crash while saving map (just after getting achivement "launch rocket with raw fish inside") with no error message, no log or any info "what happened ...