Oh neat you made a tron game too! Great minds think alike: https://itch.io/jam/tweettweetjam-4/rate/638374
I did tried to fit it one tweet, but yours has a lot more feaures than mine in that extra tweet. Many players, sound, explosions! :o
Tweet Tweet Tron
2 - 4 player Tron style gameplay in 560 chars for Tweet Tweet Jam 4
Standard Pico 8 controls for each player.