Sky Sanctuary (Sonic Generations)

Sky Sanctuary Zone is the third level in the game Sonic Generations. It appears in the Genesis era of the game, representing Sonic & Knuckles. EggRobo appear in this stage as Badniks in both Classic and Modern versions. Also, the spinning tops from Marble Garden Zone are used. The boss stage for Sky Sanctuary is the Death Egg and the boss is the Death Egg Robot.

Act 1

 * Doppelganger Race!: Face of against Sonic's double and beat him in a race to the goal.
 * Eggrobo Rush: Reach the goal in time while fending off a bevy of menacing Eggrobos!
 * Aeriel Paradise: Use Warp Points to make your way to the goal in the alotted time.
 * Ring Time Challenge: Use Ring Time Triangle/Y to get a set number of Rings and reach the goal in time to earn the Ring Time Skill!
 * Amy: Topsey Turvy: Race against Amy while riding on a spinning top and beat her to the goal.

Act 2

 * Knuckles: Buried Treasure: Press Traingle/Y to make Knuckles dig up Medals! Collect a set number and reach the goal in time!
 * 200% Boost Gauge Challenge: Your Boost Gauge is doubled. Use the Boost Gauge well to reach the goal in time.
 * Balloon Bonanza: Use balloons to bounce extra high as you make your way to the goal in time.
 * Doppelganger Race!: Face of against Sonic's double and beat him in a race to the goal.
 * High-Speed Hijinks: Enemies move and shoot at double speed. Get to the goal in time!

Characters

 * Sonic the Hedgehog (Classic and Modern)
 * Knuckles the Echidna (Rescued character, Mission for Act 2)
 * Amy Rose (Mission for Act 1)

Enemies

 * EggRobo

Trivia

 * If one looks in the Sky Sanctuary Hub, one may notice tree with grapes growing on them. In the Manual of Sonic & Knuckles, it mentions that Knuckles favorite food is grapes.
 * Knuckles is one of the four characters that are saved and appear in a stage of that game, the others being Rouge (City Escape), Espio, (Seaside Hill) and Blaze (Crisis City).
 * The crumbling ground from the end of the original level is featured in both acts.
 * The Death Egg is seen rising in the background of both acts.
 * The poles Sonic holds on to is featured in the level. The red transporters and bouncing clouds are also featured.
 * This level is actually from Sonic & Knuckles, a Sonic 3 level was not featured in the game.
 * As well as Green Hill Zone, when boosting in this level, the music speeds up to a faster tempo.
 * Even though Classic Knuckles was in the original version of Sky Sanctuary in Sonic & Knuckles, he wasn't seen in this version of the stage.

Trailer
thumb|left|400px|Trailer featuring Sky Sanctuary

Gameplay
thumb|300px|left|Classic gameplay thumb|300px|right|Modern Gameplay 300px|left