Who doesn't love a good trilogy? And while there are plenty in movies and books, they're also found in games. Succubus Publishing is running a Kickstarter for their own trilogy, Middara: Unintentional Malum. It's an epic trio of cooperative board games and you can back to get them all for yourself.
From the campaign:
The campaign's doing well (putting it stupidly mildly) with over 40x funding with 29 days left to go.