After 20 years, Sonic the Hedgehog is back to defend his territory. As the prickly protagonist races across contaminated regions to protect his friends and defeat the enemy, he accumulates as many rings as possible to earn extra lives, use as a safety net for encountering danger and gain access to exciting bonus stages while getting closer to the coveted chaos emeralds. Classic Sonic uses his special Spin Dash and Spin Attack to break barriers and mow down enemies while the modern-day Sonic takes advantage of his Homing Attack and Sonic Boost to gain ground. This is what it's like to live the life of the world's favorite daredevil. Sonic fans old and new experience the best of both worlds with Sonic Generations. Playable as both classic Sonic in side-scrolling 2D and as three-dimensional Sonic from his most recent adventures, this game celebrates the 20th anniversary of the famed hero and combines nostalgia with a modern twist. This time around, Sonic faces a mysterious new power that creates time holes which pull him and his friends back through time. Play as both classic Sonic and modern Sonic, master the moves of each character and race through environments that are designed specifically for each character. Explore legendary environments from gaming history in gorgeous HD, and play through famous Sonic stages that are presented in amazing stereoscopic 3D. Explore each level as you uncover secrets and surprises and find out who is behind the devious deed.