AKA "Oracle Software Ent." (probably changed the name due to the other little software company also named "Oracle") produced several DOS games in the early 90's which are still available for sale on their website, or itch.io.
Official OSP Entertainment website
Games developed and/or published by OSP Entertainment
Stonebreaker (1996)
Walls of Bratock (1993)
Earth Invasion (1992)
Tournament of Zulula, The (1991)
