You might remember the screenshots that were posted of this project ("2D side-scrolling WIP platformer, which is heavily influenced by Metroid Prime 1 and other games in the Metroid series") sometime back.

Well now there's a gameplay video and aside from YouTube screwing up the quality, it looks pretty sweet. I'm unsure about this getting to finishing point (it's only around 8% done) but there's always hope.

Read the development blog on 64 digits.