128 games DOS games FM Towns games Games commercially released with DOSBox NEC PC-8801 games NEC PC-9801 games Open-world video games Role-playing video games X68000 games Single-player video games Ultima (series) Video game sequels Video games developed in the United States Video games featuring protagonists of selectable gender Video games scored by Barry Leitch Video games scored by Martin Galway Video games with tile-based graphics