German gaming website Gameswelt gives the first look at Sonic Generations’ Chemical Plant Zone in action.

Check out the full E3 2011 demo of Sonic Generations on Nintendo 3DS, including both Acts of Green Hill Zone and the Launch Base Zone boss.

E3 trailer showcases what is likely to be the CGI intro for Mario & Sonic’s London outing and GameTrailers shows us some badminton.

DualShockers interview SEGA’s Dan Gallardo about Sonic Free Riders and show some gameplay footage of the Rocky Ridge track.

Check out a new gameplay video of Sonic Colours DS’ Tropical Resort, courtesy of Sonic Reikai.

Been waiting for some PC footage of Sonic & SEGA All-Stars Racing? Check out this gameplay video.

Official Nintendo Magazine showcase the Seaside Hill Ocean Ruins track of the Wii version of Sonic & SEGA All-Stars Racing.

NintendoWorldReport reveal more Wii footage of Sonic & SEGA All Stars Racing.

Playr give us further insight into Sonic & SEGA All Stars Racing in their video preview.