A solid multiplayer FPS on the DS reminiscent of classic arena shooters despite the small maps and four-player/bot limit, and some memorably badass and unique character designs for each of the bounty hunter adversaries (here's hoping at-least Sylux returns in Metroid Prime 4, as he seems to be the natural choice for an arch-rival to Samus), but a very disappointing single-player experience that feels padded-out and repetitive, without any atmosphere, no meaningful or rewarding sense of progression, dull level design, craptacular boss fights that are repeated for padding, and only superficial elements of the series' DNA. The controls are awkward and take some getting used to, but it honestly makes smart use of the DS's touch screen and works as well as it could given the hardware limitations.

Since you can't play online anymore through official means and there's plenty of superior alternatives both handheld and otherwise, I don't think this game holds-up too well by today's standards aside from historical curiosity or nostalgia.