The Opening Act
Reward: 10 Points
Objective: Race through the first stage.
All Stages Cleared!
Reward: 50 Points
Objective: Clear Sonic Generations.
Greased Lightning
Reward: 10 Points
Objective: Clear GREEN HILL Act 1 within one minute.
Bright Star
Reward: 15 Points
Objective: Get Rank S in an Act.
Shooting Star
Reward: 20 Points
Objective: Get Rank S in three Acts.
Blazing Meteor
Reward: 30 Points
Objective: Get Rank S in seven Acts.
Blue Comet
Reward: 40 Points
Objective: Get Rank S in twelve Acts.
Big Bang
Reward: 50 Points
Objective: Get Rank S in all Acts.
Trickstar
Reward: 10 Points
Objective: Pull off a seven or more trick combo or six trick combo ending in a finishing trick.
Eradicator
Reward: 15 Points
Objective: Defeat 100 enemies.
Ring King
Reward: 15 Points
Objective: Reach the goal without dropping any of the rings you collected in GREEN HILL Act 1.
Action Hero
Reward: 10 Points
Objective: Perform all of Sonic's moves in Act 2.
Bonds of Friendship
Reward: 10 Points
Objective: Complete all Challenge Acts featuring Sonic's friends.
Walkie Talkie
Reward: 10 Points
Objective: Chat with each of Sonic's friends you have saved.
Join the Ranks
Reward: 20 Points
Objective: Join the rankings.
A 30-Second Test
Reward: 20 Points
Objective: Participate in a 30 Second Trial.
Mad Skillz
Reward: 30 Points
Objective: Get all Skills.
(Hedge)Hogging It All Up!
Reward: 50 Points
Objective: Get all collectibles.
Time Attacker
Reward: 30 Points
Objective: Play Ranking Attack on all stages.
Red Ring Collector
Reward: 30 Points
Objective: Get all Red Star Rings.
Halfway Point
Reward: 30 Points
Objective: Clear half the Challenge Acts.
Mission Accomplished!
Reward: 30 Points
Objective: Clear all the Challenge Acts.
Secret Achievements
SKY SANCTUARY Restored!
Reward: 15 Points
Objective: Restored the SKY SANCTUARY Stage Gate.
SPEED HIGHWAY Restored!
Reward: 15 Points
Objective: Restored the SPEED HIGHWAY Stage Gate.
CITY ESCAPE Restored!
Reward: 15 Points
Objective: Restored the CITY ESCAPE Stage Gate.
GREEN HILL Restored!
Reward: 15 Points
Objective: Restored the GREEN HILL Stage Gate.
CHEMICAL PLANT Restored!
Reward: 15 Points
Objective: Restored the CHEMICAL PLANT Stage Gate.
PLANET WISP Restored!
Reward: 15 Points
Objective: Restored the PLANET WISP Stage Gate.
SEASIDE HILL Restored!
Reward: 15 Points
Objective: Restored the SEASIDE HILL Stage Gate.
CRISIS CITY Restored!
Reward: 15 Points
Objective: Restored the CRISIS CITY Stage Gate.
ROOFTOP RUN Restored!
Reward: 15 Points
Objective: Restored the ROOFTOP RUN Stage Gate.
Treasure Hunter
Reward: 20 Points
Objective: Collected all the Chaos Emeralds.
Shadow Boxing
Reward: 25 Points
Objective: Defeated Shadow.
Silver Got Served
Reward: 30 Points
Objective: Defeated Silver.
Scrap Metal
Reward: 20 Points
Objective: Defeated Metal Sonic.
Perfect Punisher
Reward: 25 Points
Objective: Defeated Perfect Chaos.
Boom Boom Dragoon
Reward: 30 Points
Objective: Defeated Egg Dragoon.
Sunny Side Up
Reward: 20 Points
Objective: Defeated Death Egg Robot.
Can't Touch This
Reward: 30 Points
Objective: Took no damage from the final boss and cleared the stage.
A Quick Breather
Reward: 10 Points
Objective: Got the Red Star Ring atop the highest spot in ROOFTOP RUN Act 2 and reached the goal.
Color Power!
Reward: 10 Points
Objective: Got the Red Star Ring by using an Orange Wisp in PLANET WISP Act 2 and reached the goal.
Supersonic!
Reward: 20 Points
Objective: Cleared a regular stage as Super Sonic.
Walk on Air
Reward: 20 Points
Objective: Cleared SKY SANCTUARY Act 1 without falling and losing a life.
Demolition Derby
Reward: 10 Points
Objective: Wrecked 30 or more cars in CITY ESCAPE Act 2.
Secret Sleuth
Reward: 10 Points
Objective: Got the Red Star Ring located in the hidden room in SEASIDE HILL Act 1 and reached the goal.
Look Both Ways
Reward: 10 Points
Objective: Reached the goal in CRISIS CITY Act 2 without being hit by a tornado-carried cars or rocks.
Walk on Water
Reward: 10 Points
Objective: Cleared CHEMICAL PLANT Act 2 without entering the water.
Jump for Joy!
Reward: 10 Points
Objective: Found the spring hidden in GREEN HILL Act 1 and reached the goal with a Red Star Ring.
The Byway or the Highway
Reward: 20 Points
Objective: Got the Red Star Ring located on the shortcut route in SPEED HIGHWAY Act 2 and reached the goal.
