What is the most underrated SEGA Dreamcast game?

Now that the console turns 20 years old over in Japan, the SEGA Dreamcast library has been dived into for over two decades, having people find buried treasure throughout the consoles library. But it still remains that a lot of hardcore users all have one or two titles that only they appreciate and no one talks about really.

So the question for this post is, in your humble opinion, what is the most underrated SEGA Dreamcast game? Of course this can have many answers and some of the choices will be personal. I could go on in this post talking about underrated games like Napple Tale, MDK 2, Super Magnetic Neo, Toy Commander, Cannon Spike, Garou: Mark of the Wolves, The Last Blade 2, Tech Romancer, Elemental Gimmick Gear, SegaGaGa, Record of the Lodoss War, Cosmic Smash, Seaman, and many more. But I want to hear your underrated Dreamcast titles and why you consider them underrated!