Sonic & Knuckles

Sonic has the speed, Knuckles has the power, but do you have the skill? 8 massive new zones. 3 spectacular special stages. Plus...

• LOCK-ON Sonic 3* to play Knuckles in a 34Meg epic packed with new secrets!

• LOCK-ON Sonic 2* and use Knuckles to reach the parts no hedgehog could ever reach!

Source:

Back Cover (PAL)

Sonic and Knuckles join forces to defeat rotten Dr. Robotnik's Death Egg invasion!

Play Sonic & Knuckles’ by itself or Lock-on’ with other Sonic’ games! This game's revolutionary Lock-on technology adds all new features to your Sonic games for ultimate replays!

• Play as Sonic and let loose on Robotnik with amazing new powers!
• Play as Knuckles and tackle Robotnik and Metal Sonic with bare-fisted attacks, high-speed glides and wall-climbing power!
• Lock-on with Sonic 3 and transform Floating Island into a huge 34 meg Sonic-epic loaded with new secrets! Play as Sonic, Knuckles, and even Tails - with Game Save!
• Lock-on with Sonic 2 and play as Knuckles with all his signature moves!

Source:

Back of Case - Genesis (US)

The blue hedgehog and the red echidna were sworn adversaries in Sonic 3, but in this platform adventure, Knuckles realises that he’s been just a pawn in the schemes of Dr. Eggman (AKA Dr. Robotnik). Knuckles, the former adversary now supports Sonic to chase the common enemy, and each must use their strengths in order to acquire the priceless Master Emerald and save Angel Island. This game requires the Xbox 360 hard drive or the 512MB Memory Unit for storage. There are no refunds for this item. For more information, see www.xbox.com/live/accounts.

Source:

www.xbox.com