Sonic & Knuckles
Complete each achievement to receive the allotted gamerscore.
|Unlockable||How to Unlock|
|Collect a Chaos Emerald.||Chaos Emerald (15)|
|Finish the Sandopolis Zone.||Desert Runner (15)|
|Collect 100 rings.||Extra Hedgehog (10)|
|Enter a Bonus or Special Stage.||Extra! Extra! (10)|
|Finish the Mushroom Hill Zone.||Fun Guy (10)|
|Collect all seven Chaos Emeralds.||Gettin' Super (25)|
|Finish the Flying Battery Zone.||Grease Monkey (15)|
|Finish the Lava Reef Zone.||Hot Feet (15)|
|Complete the game as Knuckles.||Knuckles Finale (25)|
|Earn a Continue in either a Bonus or Special Stage.||Please Continue (25)|
|Complete the game as Sonic.||Sonic Finale (25)|
|Start the game once as each character.||Two Sided (10)|
Contributed By: Guard Master.