Nowhere does it state " Spintires will kick you out of the game if your internet Ok, so yes, you can play Spintires in Steam's Offline Mode, which.
SPINTIRES 2014 - The Hill Map - B 130 Truck + Tent Trailer Uphill Driving Fail Part 2 - Duration: 9:05.
After the update I can no longer play offline. I run Spintires on my laptop and half the time I'm without a network connection. Game won't start.