The original game in emulation (including a simulation of the Type 30 CRT, without which it doesn't make much sense) may be played here: https://www.masswerk.at/spacewar/
I still don't get what makes the 5 digits year count "clever" then. You think humanity will not be there in 8k years, ok, but how does that make the 5 digits clever?
At ~2:20min he says that the realistic nightsky didn't add anything to the game. I was instantly reminded of Elite2:frontier and why it didn't really amaze as much as the predecessor did.