Most of our 4k's (such as LVIS
) support RTG screens. Also most of the newer Ephidrena demos support RTG (try Fake Elektronik Lightshow
, it should support RTG). You can also try a lot of polish demos, most of them support (or even need) RTG. I don't think you'll have much fun watching any of the mentioned demos on a 40/25 machine though.