Sonic Generations - Nintendo 3DS Iconic environments from gaming history come to life in beautiful HD for the ultimate Sonic adventure, each revisited, recreated and re-imagined with stunning results Once you complete each level and "free" Sonic's captured friends, you'll get to go back and take on more challenges with them at your side Master Classic Sonics famous spin-dash attack and utilize Modern Sonic's "Sonic Boost" as you complete the all-new tracks <span class="a-text-bold">Twice the Fun </span>- Play as both Classic Sonic and Modern Sonic in the ultimate Sonic experience. Master each characters moves as they race through each environment on their own specially designed track. <span class="a-text-bold">The Best Just Got Better </span>- Iconic environments from gaming history come to life in beautiful HD for the ultimate Sonic adventure, each revisited, recreated, and re-imagined with stunning results. <span class="a-text-bold">Unlock New Adventures </span>- Once you complete each level and free Sonic&#039;s captured friends, you&#039;ll get to go back and take on more challenges with them at your side. <span class="a-text-bold">Infamous Bosses and Rivals </span>- Take on some of the most notorious characters from Sonic&#039;s past as you fight for ultimate supremacy. <span class="a-text-bold">Master Your Moves </span>- Master Classic Sonic moves like his famous Spin Dash and Spin Attack, and utilize Modern Sonic&#039;s Sonic Boost as you complete the all new tracks.