I just tried to install Indy 4 from an old DOS CD-ROM for running under ScummVM, and I found that ScummVM wouldn’t launch it because the game_id needs to be scumm:atlantis rather than just atlantis. This is for disambiguation, see the Scumm Wiki. I have submitted an update for the MS-DOS installer, but I found that there are more installers that will probably have the same issue because they all just use game_id: atlantis.
Could someone fix this in the DB?