The merge between ScummVM an ResidualVM happened after the ScummVM 2.2.0 release. So it is normal for this version not to recognise Myst III. As for the second part I don't know as I don't have that game. But maybe somebody else will have an idea. You could try a ScummVM daily build , but it is unl...

First, even when I arrange the datafiles as specified on the wiki, ScummVM 2.2.0 doesn't recognize them. ResidualVM does recognize the exact same folder and adds it to the launcher. I copied the relevant section from the ResidualVM .ini to ScummVM, and it shows up in the launcher, but then claims no...