Undertale Original Soundtrack OST Toby Fox Free Temmie Undertale is a lovely creature found in the popular game Undertale . Temmie Undertale captivates the hearts of gamers with its undeniable charm and endearing nature. The unique design of Temmie Undertale renders it stand out from other beings in the game. Meeting Temmie Undertale brings glee to fans as they start their journey through the game.