Trog is an arcade game. The 'rev LA5 3/29/91' version indicates a later update or revision of the game following the prototype stage. Gameplay details would depend on the specific version, but it's likely an action or adventure game. Further research is needed to identify the developer and publisher, as well as specific gameplay details for this particular revision. The revision number 'LA5' might refer to an internal version code.

Trog (rev LA5 3/29/91)

Trivia Master (set 3)