- Adult Friends - Stories about Adult Friendships that become Relationships
- Adult Youth - Stories about Cross-Generational Relationships
- Athletics - Stories involving Athletics, Gyms, Sports, and Athletes
- Authoritarian - Stories involving Control, Domination, S&M, and Authority Figures
- Battle - Combative Stories
- Beginnings - Stories about Budding Relationships between Strangers
- Bondage - Stories involving Bondage and Domination
- Celebrity - Fantasies about Celebrities, Fan Fiction, Slash Fiction
- College - Stories involving Colleges, Universities, and Sororities
- Encounters - Stories about Fleeting Encounters and One Night Stands
- High School - Stories involving High School-aged Students
- Hookers - Stories involving Hookers and Prostitutes
- Incest - Stories about Relationships among Siblings and other Family Members
- Interracial - Stories involving People of Different Ethnicities
- Masturbation - Stories about Masturbation and Solitary Exploration
- Miscellaneous - Stories without a particular theme
- Romance - Stories in the style of Romance Novels
- Science Fiction or Fantasy - Stories involving Science Fiction or Fantasy
- Urination - Stories in which Urination or Raunch is a Primary Plot Element
- Young Friends - Stories about Friendships and Relationships among Younger Kids
