Demon Princess Marie is a role-playing game developed by N2 Games for Android devices. The game tells the story of a warrior who, after drinking from a secret fountain, gets caught up in magic and falls in love with Marie, the daughter of the demon king. However, their love is threatened by assassins sent by the demon king, and the warrior must fight to protect Marie and win her heart.

The game features gorgeous 3D battles that can be played with a simple tap and click. You can train both the warrior and Marie to deal with strong enemies, and master more than 30 magic and runes of Marie. You can also challenge the Tower of the Demon King and make various weapons. Even when you are not playing, Marie hunts your enemies instead of you. The game also allows you to collect various clothes of Marie and wear them, collect seeds and make flowers, and give them to Marie. You can also collect cute pets. However, an internet connection is required to play the game and permissions for video ads and data storage are requested.