Here are a bunch making anywhere from $50k per day to a whole lot more.  You may need to be Facebook logged in to view them.<p><a href="https:&#x2F;&#x2F;www.facebook.com&#x2F;games&#x2F;query&#x2F;top-grossing&#x2F;" rel="nofollow">https:&#x2F;&#x2F;www.facebook.com&#x2F;games&#x2F;query&#x2F;top-grossing&#x2F;</a><p>Edit:  Also, I believe Kongregate has a whole ton of games with In-App Purchases.  I don&#x27;t have any experience publishing on there but I do have experience on Facebook.