Undertale

Undertale (stylized as UNDERTALE and formerly UnderTale) is a role-playing game developed independently by Toby Fox with additional art by Temmie Chang in the Game Maker: Studio engine. It was released for Microsoft Windows and Mac OS X on September 15, 2015, for Linux on July 17, 2016, for PlayStation 4 and PlayStation Vita on August 15, 2017, and for Nintendo Switch on September 18, 2018. The game has been met with overwhelmingly positive reviews.

There's also a special collector's edition sold exclusively on Fangamer (the Nintendo Switch edition can also be bought at select Best Buy stores), which includes the game's soundtrack and a music box locket, among other things.