One day Kirby was having a vacation on Mobius when he met a chao named Gumchie. Gumchie decided to take Kirby to her house, the Gum Manor. In the Space Viewing Room (The Main Menu) Kirby spots a comet made of candy crashing towards Dreamland. Worried, Kirby and Gumchie must save Dreamland by using the powerful Sling Star.
- Kirby - The savior of Dreamland
- Gumchie - The candy loving Chao
- Halloweny - Gumchie's Brother
- Green Waddle Dee - A side character
- Tutorial Chao - Tutorial Guide
- King Dedede - First Boss
- Bramball - Second Boss
- Bugsy - Third Boss
- Boohemoth - Fourth Boss
- Egg Robo - Fifth Boss
- Sorbetti - Sixth Boss
- Dyan Blaze - Seventh Boss
- Collospace - Final Boss
- Dedede Station - A space station filled with Gummy Dees.
- Junglium - A jungle planet which is home to Neyororo.
- Antiras - A planet where insects are huge and other enemies are small.
- Ghostyua - A giant haunted space hotel filled with ghosts.
- Halacandra Zone - Halacandra has many robots which can rebuild their own planet.
- Icetop - A giant space snowball with many blizzards.
- Volcone - A giant volcano on Mobius which can take the heros to Candysteroid
- Candysteroid - The large Candy Comet is a world where the final battle takes place.
- Fire Sword
- Leaf Hammer
- Fire Bird
- Waddle Doo
- Gummy Dee
- Dry Bones
- Mega Goomba
- Gummy Flamer
- Poison Ivy Goomleafy
- Cricket Dee
- Knuckle Joe
- Poppy Bros Jr.
- Sweet Top
|Inyuro | Choyro | Halloweny | Darkoly | Woodsman | Chaoul | Bubashil | Kyuchao | Chaosten | Gumchie | Spinner (Chao) | Grapes | Willard | Snowchao | Shu | TowTow|
|Chao Party | Chao Party 2: We Never Fight Alone|
|Fantendo Riders (HBB) | Kirby & Gumchie And The Candy Comet|