This Wednesday's batch of Xbox Live Arcade releases will be the the second episode of Telltale's Wallace & Gromit's Grand Adventures adventure series, titled 'The Last Resort,' as well as the previously-announced Sonic & Knuckles, Microsoft has proclaimed.

Costing 400 Microsoft Points ($5), platformer port Sonic & Knuckles will also replicate the Sega Genesis original's 'stacking' capabilities by making the echidna playable in Sonic 2 and Sonic 3 if you own them on XBLA, and revamping Sonic 1's Chaos stages. Read more »

Sega's classic expansion to Sonic 3, Sonic & Knuckles, is hitting Xbox Live Arcade on September 9.

While Xbox 360 emulation takes the fun out of stacking expansion carts, Sega is including a few unlockables for the game, provided you own the XBLA ports of the first three Sonics. Read more »