I'd seen video of some 256 colour "ZX spectrum" games before but didn't know where they came from, so thanks for that. Here's video of Spec256 in action
[ Show youtube player ]. An interesting solution using a parallel 64bit Z80 and memory in the emulator to provide the graphics. If they've used all 8 planes for the knightlore graphics a port to AGA would be a possibility assuming the graphics can be extracted. Some very nice graphics done on those game conversions, shame they didn't do more.