DC Games Graphics Adventure Game Builder

DCGames is an Ultima-style RPG game creation system. Users of this system created numerous DOS RPGs such as DBQuest and Rescue of Lorri in Lorrinitron.The system itself seems rather complicated to learn, with many hotkeys, subscreens, and extensive reading of the documentation required. However, as the games noted above demonstrate, for those with the patience to learn it, you can create some decent games. The linked download is v4.0; see the extra files for the upgrade patches. (Currently the v4.06 to v4.07 patch is missing, please let me know if you have it.)