Goddess of Hentai is a mature puzzle game with variety of features:

• 10 characters in 4K resolution, each with 4 variations

• two difficulty modes:
easy: move the puzzles freely
hard: switch only adjacent pieces

• girls have their own personalised music, overall 10 tracks

• 5 main menu melodies to choose from

• gallery mode

• selection page for picking specific levels

• Steam Achievements & Steam Cloud

To unlock 100 achievements you need to undress all goddesses on easy and hard mode.