Have you seen the new RB2 hammer-on and pull-off notes ? There more visible than RB1 hammer-on's and pull-off's. Watch someone playing it on Youtube and you will see.
Here are somethings that stuck out to e.
You should have had more buildings, it just does not look right with all the rides in the center of the paths.
Also it doesnt look good to just have your wooden roller coaster out in the middle of the water.