One such thing would be the "Pharaoh's Tomb" and "Arctic Adventure" games from Apogee. If there would be a FOSS version of that, even with the original graphics

One such thing would be the "Pharaoh's Tomb" and "Arctic Adventure" games from Apogee. If there would be a FOSS version of that, even with the original graphics and keyboard controls and so on, but possibly also with added stuff such as time limits and new pieces, that can be good.