Undertale is a 2015 role-playing game created by Toby Fox, known for its bullet-hell combat and choices about sparing monsters. Its save points appear as glowing yellow stars, often paired with humorous narration that ends by saying you are filled with determination. Interacting with one fully restores health and records progress, accompanied by this sparkling sound. Clips of the effect spread through gaming edits, streams, and meme videos, where creators reuse the chime whenever someone heals, checkpoints, or survives something difficult.