I would advise you a German project Vreo.io, they provides plugins that allow dynamic, unobtrusive and simple advertising directly embedded in the surroundings of the game. Every user interaction gets tracked, evaluated and stores within their own blockchain for exact payment and statistics. They promise not only a matching and private messaging system, but also an analysis tool for all running and finished campaigns in their platform. Due to the embedded nature, the ads can avoid ad blockers because vreo does not use pop-ups.
Read more here
https://bitcointalk.org/index.php?topic=2886707Telegram grp
https://t.me/vreoico