Character Creation Porn Games
Porn games where you can create your own characters. The characters can be the NPCs or your own character to play the game with. In games like Honey Select, Koikatu, Super Deepthroat You can create characters, dress em up and then do erotic things with them.
Also, there are character-creation sex games like Wild Life, where you can create a character that you can control and fuck other characters of the porn game, similar to Skyrim.