This is Super Mario Bros 2010. A fangame similar to Super Mario Bros 3. Super Mario Bros 2011 is more similar to Super Mario Galaxy 2. But it is still in construction.
The first Preview of Super Mario Bros 2011 Attack of the Bloopers.
Gameplay of Super Mario Bros 2010, The Swigler Fortress and Iggy Koopa Battle (Old).
Level 1-1 Playthrough of Super Mario Bros 2011: Attack of the Bloopers
Level 1-2 Playthrough of Super Mario Bros 2011: Attack of the Bloopers