it is easyflash only, but was tested with Ultima II a disk version is not possible due to the software design.
There is workaround in Forum 64: New release: Orbix (C64) - Spiele - Forum64
Perhaps this will be fixed later in the runtime of C
There is workaround in Forum 64: New release: Orbix (C64) - Spiele - Forum64
Perhaps this will be fixed later in the runtime of C