The Tower of Druaga (Old Ver.) is presumably an earlier version of the arcade game, Tower of Druaga. The specific developer or publisher is not identified.  Likely having less advanced graphics and gameplay compared to later versions, it is important to note the historical significance of this older version as it lays the foundation for subsequent iterations. Further research is needed.

The Tower of Druaga (Old Ver.)

The Super Spy (NGM-011)(NGH-011)