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42 of 49 (86%) achievements earned:
Personal Achievements
 

The Opening Act

Completed the first stage.
Unlocked 4 Sep, 2021 @ 2:07pm

GREEN HILL Restored!

Restored the GREEH HILL stage Gate.
Unlocked 4 Sep, 2021 @ 2:12pm

CHEMICAL PLANT Restored!

Restored the CHEMICAL PLANT Stage Gate.
Unlocked 29 Sep, 2021 @ 3:02pm

SKY SANCTUARY Restored!

Restored the SKY SANCTUARY Stage Gate.
Unlocked 16 Nov, 2021 @ 3:48pm

SPEED HIGHWAY Restored!

Restored the SPEED HIGHWAY Stage Gate.
Unlocked 25 Aug, 2023 @ 8:56pm

CITY ESCAPE Restored!

Restored the CITY ESCAPE Stage Gate.
Unlocked 26 Aug, 2023 @ 12:28pm

SEASIDE HILL Restored!

Restored the SEASIDE HILL Stage Gate.
Unlocked 26 Aug, 2023 @ 12:34pm

CRISIS CITY Restored!

Restored the CRISIS CITY Stage Gate.
Unlocked 26 Aug, 2023 @ 10:49pm

ROOFTOP RUN Restored!

Restored the ROOFTOP RUN Stage Gate.
Unlocked 26 Aug, 2023 @ 11:12pm

PLANET WISP Restored!

Restored the PLANET WISP Stage Gate.
Unlocked 26 Aug, 2023 @ 11:27pm

Sunny side up

Defeated Death Egg Robot.
Unlocked 25 Aug, 2023 @ 6:28pm

Perfect Punisher

Defeated Perfect Chaos.
Unlocked 26 Aug, 2023 @ 7:08pm

Boom Boom Dragoon

Defeated Egg Dragoon.
Unlocked 27 Aug, 2023 @ 3:44pm

Scrap Metal

Defeated Metal Sonic.
Unlocked 25 Aug, 2023 @ 9:17pm

Shadow Boxing

Defeated Shadow.
Unlocked 26 Aug, 2023 @ 3:19pm

Silver Got Served

Defeated Silver.
Unlocked 26 Aug, 2023 @ 11:31pm

Treasure Hunter

Collected all the Chaos Emeralds.
Unlocked 27 Aug, 2023 @ 3:45pm

All Stages Clear!

Cleared Sonic Generations.
Unlocked 27 Aug, 2023 @ 4:23pm

Greased Lightning

Cleared Green Hill within one minute.
Unlocked 30 Apr, 2024 @ 10:31pm

Bright Star

Got Rank S in an act.
Unlocked 4 Sep, 2021 @ 2:08pm

Shooting Star

Got Rank S in acts three times.
Unlocked 4 Sep, 2021 @ 2:18pm

Blazing Meteor

Got Rank S in acts seven times.
Unlocked 26 Aug, 2023 @ 12:27pm

Blue Comet

Got Rank S in acts 12 times.
Unlocked 26 Aug, 2023 @ 11:26pm

Big Bang

Got Rank S in all acts.
Unlocked 8 May, 2024 @ 3:10pm

Trickstar

Executed a trick with a seven-step combo or longer.
Unlocked 4 Sep, 2021 @ 2:10pm

Eradicator

Defeated 100 enemies.
Unlocked 25 Aug, 2023 @ 6:02pm

Ring King

Reached the goal without dropping any of the rings you collected in GREEN HILL Act 1.
Unlocked 27 Aug, 2023 @ 4:27pm

Action Hero

Performed all of Sonic's actions in Act 2.
Unlocked 26 Aug, 2023 @ 12:30pm

Bonds of Friendship

Completed all of Sonic's friends' Challenges.
Unlocked 7 May, 2024 @ 9:25pm

Walkie Talkie

Chatted with all of Sonic's friends you saved.
Unlocked 27 Aug, 2023 @ 4:29pm

Join the Ranks

Joined the rankings.
Unlocked 8 May, 2024 @ 3:14pm

A 30-Second Test

Participated in a 30 Second Trial.
Unlocked 8 May, 2024 @ 3:12pm

Walk on Water

Cleared CHEMICAL PLANT without entering the water.
Unlocked 30 Apr, 2024 @ 10:40pm

Walk on Air

Cleared SKY SANCTUARY without falling even once.
Unlocked 8 May, 2024 @ 2:40pm

Demolition Derby

Wrecked 30 or more cars in CITY ESCAPE.
Unlocked 26 Aug, 2023 @ 12:27pm

Secret Sleuth

Got the Red Star Ring located in the hidden room in SEASIDE HILL.
Unlocked 8 May, 2024 @ 2:51pm

Look Both Ways

Reached the goal in CRISIS CITY without being hit by a tornado-carried car.
Unlocked 26 Aug, 2023 @ 10:48pm

A Quick Breather

Got the Red Star Ring atop the highest spot in ROOFTOP RUN.
Unlocked 26 Aug, 2023 @ 10:59pm

Supersonic!

Cleared a regular stage as Super Sonic.
Unlocked 27 Aug, 2023 @ 4:27pm

Time Attacker

Played Time Attack on all stages.
Unlocked 11 May, 2024 @ 12:36am

Halfway Point

Cleared half the missions.
Unlocked 26 Aug, 2023 @ 3:30pm

Mission Accomplished!

Cleared all the missions.
Unlocked 7 May, 2024 @ 9:53pm



Can't Touch This

Took no damage while defeating the final boss.

Jump for Joy!

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

Mad Skillz

Got all custom skills.

(Hedge)Hogging It All Up!

Got all collectibles.

Red Ring Collector

Got all Red Star Rings.
+2

2 hidden achievements remaining

Details for each achievement will be revealed once unlocked