Bad Time Simulator: HorrorTale

Bad Time Simulator: HorrorTale is a fan-made, horror-themed battle simulator inspired by the world of Undertale and the popular AU, HorrorTale. Step into a dark and twisted version of the Underground where familiar faces have become more dangerous—and more terrifying—than ever before.

In this intense boss fight simulator, you’ll face off against Horror Sans in a brutal test of skill, timing, and endurance. Dodge deadly attacks, survive waves of relentless damage, and prove you have what it takes to make it out alive. With creepy visuals, unsettling sound design, and heart-pounding gameplay, this is no ordinary fight. This is a bad time.

Key Features:

• Inspired by the HorrorTale alternate universe of Undertale


• Challenging and fast-paced boss fight with Horror Sans


• Pixel-art style with a dark, horror-themed twist


• Custom attacks, eerie soundtrack, and chilling atmosphere


• No download required – play directly in your browser

If you're a fan of Undertale AUs, bullet-hell games, or horror-themed twists on familiar stories, Bad Time Simulator: HorrorTale delivers a thrilling, spine-chilling experience that will put your reflexes—and your nerves—to the test.

Play now and see if you can survive the nightmare.