A German fan-made project, named Super Smash Bros Rumble for the Nintendo DS, is in the works, with architecture similar to SSB: Brawl.
The creator, calling himself Fuzzy, is making the title using available sprites and stage designs. The project is still at an early stage, but two features, Touch-Screen use, and stages that are two screens high, makes this one quite interesting. A provided preview level of Rumble at an early stage;
You can check out his Blogsite, in roughly translated English, here.
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