Quake
Our price is only $29.95. You save $20.04 (40%) off the list price of $49.99. (CD-ROM, by id Software, GT Interactive Software 1996, ISBN: 1568933630). Read a review of Quake.

Quake II
Our Price is only $36.95. You save more than $23 off the list price of $59.99. (CD-ROM 1 edition, id Software, Inc., 1997, ISBN: 0873211952)

Deathmatch Maker II for Quake II
Only $34.00 (MacMillan Digital, 1998, ISBN: 1575951347)