Dux is not the only Dreamcast game coming out this year, Wind and Water: Puzzle Battles is also coming out. The Developers of Wind and Water: Puzzle Battles have release Images of the packaging for the Dreamcast version of the game.
"The Dreamcast version will feature a new package design, as well as an extensive manual with new artwork, in both English and Japanese! "
Some more info about the game:
Released date: late August/early September
Price: $40 / 25.95 EUR / 4500 YEN
Published by Redspotgames