This is a working(*) port of 'Hammer of Thyrion' v1.5.6, a Hexen2
cross-platform source port, using SDL on Genode.
(*) SDL_VIDEO works, SDL_AUDIO at least makes some noise
and network-play is currently untested.
Fixes#6.
"GrafX2 is a bitmap paint program inspired by the Amiga programs
Deluxe Paint and Brilliance. Specialized in 256-color drawing, it
includes a very large number of tools and effects that make it
particularly suitable for pixel art, game graphics, and generally any
detailed graphics painted with a mouse."
Fixes#5.
