End of the World

End of the World is the final level in Sonic the Hedgehog (2006), where all of the playable characters in the game (except for Blaze and Sonic) work together to gather all seven Chaos Emeralds and resurrect Sonic before Solaris manages to completely destroy the fabric of reality. It is a mix of seven different levels in the game, with different characters playable in each level: Wave Ocean (as Rouge), Crisis City (as Tails), White Acropolis (as Amy), Tropical Jungle (as Knuckles), Dusty Desert (as Silver), Flame Core (as Omega), and Kingdom Valley (as Shadow). Eventually, the screen will change color and black hole-like spheres will appear. If the player touches them with the character, he/she will instantly faint. These can be eliminated though, by touching orbs with an eagle on top to revert these black holes. However, they will come back after approximately 8 seconds.

Mission:

Collect all the Chaos Emeralds and save Sonic.

Trivia

 * Each "level" in End of The World has a different theme.