Commodore 64
heartbeat-demo
2026-07-30Ultimate 64 demo built around a Heartbeat Soundtracker song, with a full C player port and a note-reactive visualiser.
Mandelbrot Upic
2026-10-02On-device Mandelbrot fractal generator with live Upic display and interactive pan/zoom, for the Ultimate 64, Ultimate 64 Elite and Elite II.
UBoot64 v2
2026-09-13Boot menu for C64 Ultimate-enabled devices, with auto-boot default slot and mount/command-only slots.
UltimateDemo2026
2026-10-02Demo for the Ultimate 64 showcasing turbo mode, Ultimate Audio DMA, firmware 3.15 UCI palette control, and nine visual effects.