You can now view the results from the Vintage Computing Christmas Challenge 2022. This year there were hundreds of entries on many different systems. A few examples of the systems: VAXStation, Atari 130XE, VIC20, Linux PC, C64, ZX Spectrum, CP|M, Thomson T08, Atari 65XE, Apple IIc/IIe, Amiga, KC 85/4, gamebuino, TI-59, VT-52, Pico8, Amstrad CPC, VectorBoy, C128, MSX, Sinclair ZX81, BBC, Enterprise 128, Mega65, Plus/4, KIM-1 and many more.
Other events: Commodore Events Page.