itch.io

Contains lesbian, gay, bisexual, and/or transgender characters or plot lines. Expanded to include queer, intersex and agender identities.

Either prominently containing or entirely themed around romance, this genre is typically focused on interpersonal romantic relationships between characters and the player.

Science-fiction. Commonly including things like aliens, advanced technology, and settings of outer space or distant planets. 

Games which have short playtimes and can usually be completed in one sitting.