Get Rank S in twelve Acts.

Unlocked: 15 Mar 2012 17:44:13

Play Ranking Attack on all stages.

Unlocked: 11 Mar 2012 20:39:01

Wrecked 30 or more cars in CITY ESCAPE Act 2.

Unlocked: 08 Mar 2012 16:43:30

Join the rankings.

Unlocked: 08 Mar 2012 15:47:21

Participate in a 30 Second Trial.

Unlocked: 08 Mar 2012 15:42:50

Clear Sonic Generations.

Unlocked: 07 Mar 2012 17:55:47

Chat with each of Sonic's friends you have saved.

Unlocked: 07 Mar 2012 17:32:26

Collected all the Chaos Emeralds.

Unlocked: 07 Mar 2012 17:27:06

Defeated Egg Dragoon.

Unlocked: 07 Mar 2012 17:25:35

Defeated Silver.

Unlocked: 07 Mar 2012 16:59:23

Restored the PLANET WISP Stage Gate.

Unlocked: 07 Mar 2012 16:54:13

Restored the ROOFTOP RUN Stage Gate.

Unlocked: 06 Mar 2012 11:14:31

Restored the CRISIS CITY Stage Gate.

Unlocked: 06 Mar 2012 11:06:54

Defeated Perfect Chaos.

Unlocked: 25 Feb 2012 18:41:55

Defeated Shadow.

Unlocked: 24 Feb 2012 20:20:28

Restored the SEASIDE HILL Stage Gate.

Unlocked: 24 Feb 2012 20:06:05

Perform all of Sonic's moves in Act 2.

Unlocked: 21 Feb 2012 21:57:15

Restored the CITY ESCAPE Stage Gate.

Unlocked: 21 Feb 2012 21:49:22

Get Rank S in seven Acts.

Unlocked: 21 Feb 2012 21:33:59

Restored the SPEED HIGHWAY Stage Gate.

Unlocked: 21 Feb 2012 21:24:36

Defeated Death Egg Robot.

Unlocked: 20 Feb 2012 19:45:12

Defeated Metal Sonic.

Unlocked: 20 Feb 2012 19:32:59

Restored the SKY SANCTUARY Stage Gate.

Unlocked: 20 Feb 2012 19:17:00

Defeat 100 enemies.

Unlocked: 20 Feb 2012 18:59:57

Cleared SKY SANCTUARY Act 1 without falling and losing a life.

Unlocked: 20 Feb 2012 18:57:37

Restored the CHEMICAL PLANT Stage Gate.

Unlocked: 20 Feb 2012 18:51:00

Get Rank S in three Acts.

Unlocked: 20 Feb 2012 18:46:44

Restored the GREEN HILL Stage Gate.

Unlocked: 20 Feb 2012 18:38:12

Pull off a seven or more trick combo or six trick combo ending in a finishing trick.

Unlocked: 20 Feb 2012 18:32:40

Get Rank S in an Act.

Unlocked: 20 Feb 2012 18:27:47

Race through the first stage.

Unlocked: 20 Feb 2012 18:27:37

Reach the goal without dropping any of the rings you collected in GREEN HILL Act 1.

Unlocked: 20 Feb 2012 18:27:29

Clear GREEN HILL Act 1 within one minute.

Get Rank S in all Acts.

Took no damage from the final boss and cleared the stage.

Complete all Challenge Acts featuring Sonic's friends.

Found the spring hidden in GREEN HILL Act 1 and reached the goal with a Red Star Ring.

Cleared CHEMICAL PLANT Act 2 without entering the water.

Got the Red Star Ring located on the shortcut route in SPEED HIGHWAY Act 2 and reached the goal.

Got the Red Star Ring located in the hidden room in SEASIDE HILL Act 1 and reached the goal.

Reached the goal in CRISIS CITY Act 2 without being hit by a tornado-carried cars or rocks.

Got the Red Star Ring atop the highest spot in ROOFTOP RUN Act 2 and reached the goal.

Got the Red Star Ring by using an Orange Wisp in PLANET WISP Act 2 and reached the goal.

Cleared a regular stage as Super Sonic.

Get all Skills.

Get all collectibles.

Get all Red Star Rings.

Clear half the Challenge Acts.

Clear all the Challenge Acts.