Smurfing the Smurfettes

From the letters page: Built in Ren'Py, Smurfing the Smurfettes by lamarcachis is a sandbox game that is ongoing. Expect fantasy, monster girl and monster with 2D art and animated scenes. The current build is 0.28 (454 MB). Available for Windows, Mac, Linux and Android, and playable in the browser on Xgame9.

From the box: “RenPy erotic adventure game based on the Smurf's cartoon show (mostly the 80s version, but with the Smurfette characters from the most recent iterations).The player assumes the role of an adult Scruple (Gargamel's apprentice).”