These games contain sexual scenes between two (or more) blood-related cousins.
| Name | Similarity |
|---|---|
| Cousin Role | 30% |
| Incest Engages in (Sexual) | 19% |
| Handjob Engages in (Sexual) | 16% |
| Mother Role | 15% |
| Aunt Role | 15% |
| Bathroom Sex Engages in (Sexual) | 15% |
| Nephew Role | 15% |
| Cunnilingus Subject of (Sexual) | 14% |
| Vaginal Masturbation Engages in (Sexual) | 14% |
| Doggy Style Engages in (Sexual) | 14% |
| Handjob Subject of (Sexual) | 14% |
| Missionary Subject of (Sexual) | 14% |
| Wake-up Sex Subject of (Sexual) | 13% |
| Blowjob Subject of (Sexual) | 13% |
| Cowgirl Subject of (Sexual) | 13% |
| Cunnilingus Engages in (Sexual) | 13% |
| Nipple Sucking Subject of (Sexual) | 13% |
| Spoons Subject of (Sexual) | 13% |
| Tank Top Clothes | 13% |
| Quickie Fix Subject of (Sexual) | 13% |