https://www.syntaxbomb.com/game-coding- ... -24th-2021
The only constraints are that you must provide either a Windows executable, or a web link for a browser-based game, and that the user can only use a single button (e.g. just the space bar) to control the game. BBC BASIC should be well up to it...
David Williams is looking at a game with a cannon on a train on a wiggly track, while I am torn between a version of space invaders and a space rocket game. Several other people have already posted ideas in Syntaxbomb...
What can YOU do with just one button to control it?

D
PS Cash prizes are on offer....