Lost World 3DS at the very bottom because screw forced gyroscope controls.

top 5: Racing Transformed Great game, trash port top 4: Boom Shattered Crystal Mid platformer top 3: Generations Mid/decent 2D platformer with two good levels top 2: Boom Fire & Ice Good 2D sonic top 1: Lost World Great 3D Sonic with amazing 2D and 3D stages

6: sonic boom 5: shattered crystal 4: fire&ice 3: lost world 2: allstars transformed 1: generations