How do you get to the lower terrace on adventure rock

step 1. buy Cody gunge gun upgrade
step 2. go to the edge of star square where you will find a game where you need to gunge crocs (no tubes involved.)
step 3. complete the 4 levels on the game.
step 4. ounce you complete it your person presses a giant button which makes the roller coaster work. so go to the place the roller coaster starts Its near the game) and go on the fixed roller coaster.
step 5. say lower Terrance here i come!