Here's what the first Performa 600CD has specified...

Software
Mac OS 7.1P, At Ease 1.1, HyperCard Player, Apple Backup, TeachText, Mouse Basics, Mouse Practice, ClarisWorks 1.0, and 8 CD-ROM Titles.

Notify me if you know these 8 Performa 600 CD-ROM Titles.

The second one has specified...
Software
Mac OS 7.1P, At Ease 1.1, HyperCard Player, Apple Backup, TeachText, Mouse Basics, Mouse Practice, Greatworks, and 10 CD-ROM Titles.

Notify me if you know these 10 Performa 600 CD-ROM Titles.