Mario vs. Donkey Kong is a prototype tech demo made specifically for showcase at GDC, so chances are this is not a game that we'll see in the future.
However, there's been no confirmation that it's NOT in the works as a full title. Check out the video below to see the very cool demo.
3 news items
Project Ukulele - Possible Hint at Characters
Could it be?
Free to Play Pokemon Shuffle now available on 3DS eShop
Nintendo offers another micro-transaction based title
Gold Mario Amiibo is a Wal-Mart Exclusive
Get ready to shell out your coins
Area Effect Announces Izle for Wii U
Part action, part adventure, all cel-shaded
Nintendo Confirmed As Sponsor For APEX 2015
Another positive step for the Smash competitive scene
Majora's Mask 3D Collector's Edition Contains Skull Kid Figurine
Pre-orders are now open!
Ackk Studios Rings in the New Year with New Y2K footage
Starting the New Year with a bang!
Is Nintendo Making A New Wii U Gamepad?
Recent commercial may have leaked new GamePad model
Zeldathon Relief Announced
Pot smashing for a great cause
Why the Inclusion of The Duck Hunt Dog in Super Smash Bros. Was Brilliant
How the the most hated character in video games rose to the top of the Smash heap
Wii's World is not officially affiliated with Nintendo! (but they wish we were).