Caper in the Castro (1989)

Caper in the Castro is the first known LGBT video game. The player assumes the role of a lesbian detective investigating the disappearance of a transgender woman in the Castro neighborhood of San Francisco. The game was distributed by BBS, with donations requested to an AIDS-related charity of your choice for whatever amount you feel is appropriate. It was also adapted for mainstream audiences as Murder on Main Street, which was commercially published by Heizer Software.