Time to tighten up your code!
10-Liners are back for 2018
A new FREI (free) category allows for machine language and self-modifying code this year.
Very good. We could have a "best abuse of the rules" category.
Look at this: game.bas , or in an ATR: game.atr
Boot into Atari BASIC, load with LOAD "D:GAME.BAS" and type RUN, like this: