This was one of the best DOS games and party games of all time.
I tried to play it recently using DOSBox-X, but the version of the game itself had a bug which prevented Synchronous mode from working (a bug that I remember experiencing on the original). I remember there were different bugs in various versions of the game, so depending on how you play, certain versions were better than others. The Synchronous bug was only present in certain later versions of the game, but I can't remember which.
Ideal would be a GOG menu to pick which variant you want to load from between all the versions released.
Synchronous was always my favourite mode as it was the only fair mode -- everyone programmed in their shots individually, then all shots fired off simultaneously. Anyone who survived got to program in another shot. It was my preferred mode to play on.
But wow, Scorched Earth was the ultimate game for configurability! There are pages and pages and pages of settings to tweak almost every imaginable aspect of the game. I knew what every option did and had everything configured just right. I also had a custom messages text file that says a random line when your tank is destroyed. Me and my friends added to it over time, and it got pretty large. It was fun having endless movie references, like "This... is... from... Mathilda..." taken from the scene in "Leon: The Professional" when Leon is dying and he hands the corrupt cop a live grenade. It fit becau dying in Scorched Earth might kill other players nearby. Also had quotes from books, as well as rude insults, and whatever other random stuff we felt like putting in. So much fun!
I enjoyed challenging play, so I liked to play one the smaller scales of explosion size. Some of my friends just wanted to see the world burn and liked max scale -- where one nuke would destroy half the screen, you barely needed to aim except "far away from me".
So many creative weapons, tools, and mechanics to use.
Loved the game.