Mario Kart Galaxy

Star 1:Retro Raceway
Mario would use a rock power up to make his way through Mario Kart 64'S Royal Raceway and back to the finish

Secret Star 1: Atop The Castle
Using any method possible he must get on top of peaches castle to find this star

Star 2: Double Trouble
Mario will use the star power up and make his way through Double Dash's Rainbow Road and back to the finish

Secret Star 2: Into the city
Mario would jump off the stage into Double Dash's Mushroom City below and will find the star at the beginning/end of the coarse.

Star 3: 16-bit Nostalgea
Mario will make his way through all of the Super Mario Kart's Mushroom Circuit on a power star ball and make his way to the end of the stage.

Secret Star 3: A Bit Off Coarse
On the first coarse of the cup Mario will jump off the track without getting on the ball and find himself on Super Mario Kart's Rainbow Road and will find the star at the beginning/end of the coarse.

Star 4: The 8th Wonder of The World
Mario will race Cosmic Mario through Mario Kart 8's Mario Circuit and if he wins, he will get a power star.

Secret Star 4: Your'e Going The Wrong Way
Using a warp pipe hidden among the many others in the coarse Mario will warp to a secret mini game where he will shoot koopa shells at karts with enemies in them. Then after defeating all of the "racers" the power star will appear.