Sonic Party Adventure

Sonic Party Adventure is a platform, party, action-adventure, game in the Sonic the Hedgehog series. The game uses elements from Sonic Advance 3, as the player select the teams, similar to Sonic Heroes. The game also uses the element from Sonic Free Riders for Story Mode and Episode mode.

The game is scroller, explores both 2D and 3D venues such as standard levels and gimmicks, as well as boss fights, which are fully 3D. The stylus is not used frequently in the game, except in map mode and for Special Stages.

Story
After the events of Sparky and his friends staying on Sonic's world, the gang are throwing a surprise party for Sonic. However, Eggman upon his return, has crash the party, has successfully created his ultimate weapon. The gang, then go together in teams orders to stop Eggman taking over from both cities, Emerald Town and Tropical City.

Teams
In addition to controlling three characters, the player may select one of the teams available to use at the beginning of the game. Each team has one member capable of the aforementioned skills, which are Speed, Power and Flight, but follow a different, yet intertwined, storyline. Each team also has a unique Team Blast skill that has major power and additional effect.