(DIR) 3drealms
 (DIR) apogee
 (DIR) blizzard
 (DIR) domark
 (DIR) epic
 (DIR) gamefactory
 (DIR) idsoftware
 (DIR) interplay
 (DIR) lucasart
 (DIR) maxis
 (DIR) msdosgames
 (DIR) sierra
 (DIR) westwood
 (DIR) win3games
 (DIR) win95games