Green Stars share similar effects to other star collectibles from previous titles. Green Stars serve as rewards for completing certain feats or found as items hidden in main courses. Some levels contain stipulations that need to be met in order to unlock it. Each green star grants 4000 points and there are 380 of them scattered in the game.
Some areas require a certain number of green stars to unlock. Below is a list of levels and the number of green stars to become accessible.
|1 (1-Castle)||Bowser’s Highway Showdown||10|
|2 (2-2)||Puffprod Peaks||15|
|3 (3-2)||Chain-Link Charge||30|
|4 (4-Castle)||Lava Rock Lair||50|
|5 (5-3)||Backstreet Bustle||80|
|6 (6-3)||Hands-On Hall||100|
|Castle||Bowser’s Lava Lake Keep||130|
|Bowser||The Great Tower of Bowser Land||170|
|Star||Cosmic Cannon Cluster||210|
|Mushroom||Broken Blue Bully Belt||240|