View of Family is the only good one with incest I can think of at the moment.
You might like Dreaming of Dana which is kinda pseudo sandboxy.
Long live the Princess has one incest route, but it's still in development.
If you're into 2D summertime saga isn't bad.
Problem with this type of game for me is that they usually replace narrative with grind. So you end up doing things to force the game to let you play it rather than actually playing it. The 4 I listed here are a cut above the rest, managing to get you invested in the characters and use minimal grind to do it.