Sonic & Knuckles Cheats - Xbox 360
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Achievements
Complete each achievement to receive the allotted gamerscore:
Fun Guy (10) - Finish the Mushroom Hill Zone.
Gettin' Super (25) - Collect all seven Chaos Emeralds.
Grease Monkey (15) - Finish the Flying Battery Zone.
Hot Feet (15) - Finish the Lava Reef Zone.
Chaos Emerald (15) - Collect a Chaos Emerald.
Desert Runner (15) - Finish the Sandopolis Zone.
Extra Hedgehog (10) - Collect 100 rings.
Extra! Extra! (10) - Enter a Bonus or Special Stage.
Knuckles Finale (25) - Complete the game as Knuckles.
Please Continue (25) - Earn a Continue in either a Bonus or Special Stage.
Sonic Finale (25) - Complete the game as Sonic.
Two Sided (10) - Start the game once as each character.