No need to cry. Why don't you ask a question like "does xyz run on Mediator" ?
I don't know if such a list exsits. But from memory I'd say these games work:
Gloom
TSotTM
Myst
Nightlong
Doom
Quake
QuakeII
HereticII
Feeble Files
Freespace
Shogo
Most of them need a PPC processor, though.
Bye,
Thomas
