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49 of 49 (100%) achievements earned:
Personal Achievements
 

The Opening Act

Completed the first stage.
Unlocked 11 Feb, 2019 @ 10:26am

GREEN HILL Restored!

Restored the GREEH HILL stage Gate.
Unlocked 14 Feb, 2019 @ 8:53am

CHEMICAL PLANT Restored!

Restored the CHEMICAL PLANT Stage Gate.
Unlocked 15 Aug, 2019 @ 12:35pm

SKY SANCTUARY Restored!

Restored the SKY SANCTUARY Stage Gate.
Unlocked 15 Aug, 2019 @ 12:42pm

SPEED HIGHWAY Restored!

Restored the SPEED HIGHWAY Stage Gate.
Unlocked 1 Jan, 2020 @ 3:38am

CITY ESCAPE Restored!

Restored the CITY ESCAPE Stage Gate.
Unlocked 1 Jan, 2020 @ 3:43am

SEASIDE HILL Restored!

Restored the SEASIDE HILL Stage Gate.
Unlocked 1 Jan, 2020 @ 3:48am

CRISIS CITY Restored!

Restored the CRISIS CITY Stage Gate.
Unlocked 7 Jan, 2020 @ 1:48am

ROOFTOP RUN Restored!

Restored the ROOFTOP RUN Stage Gate.
Unlocked 7 Jan, 2020 @ 1:55am

PLANET WISP Restored!

Restored the PLANET WISP Stage Gate.
Unlocked 14 Mar, 2022 @ 10:22am

Sunny side up

Defeated Death Egg Robot.
Unlocked 15 Aug, 2019 @ 12:57pm

Perfect Punisher

Defeated Perfect Chaos.
Unlocked 1 Jan, 2020 @ 4:05am

Boom Boom Dragoon

Defeated Egg Dragoon.
Unlocked 16 Jun, 2022 @ 4:40pm

Scrap Metal

Defeated Metal Sonic.
Unlocked 15 Aug, 2019 @ 12:45pm

Shadow Boxing

Defeated Shadow.
Unlocked 1 Jan, 2020 @ 3:51am

Silver Got Served

Defeated Silver.
Unlocked 14 Mar, 2022 @ 10:24am

Treasure Hunter

Collected all the Chaos Emeralds.
Unlocked 8 Nov @ 10:09am

All Stages Clear!

Cleared Sonic Generations.
Unlocked 28 Jan, 2020 @ 11:27am

Greased Lightning

Cleared Green Hill within one minute.
Unlocked 23 Dec, 2019 @ 9:37am

Bright Star

Got Rank S in an act.
Unlocked 11 Feb, 2019 @ 10:26am

Shooting Star

Got Rank S in acts three times.
Unlocked 9 Aug, 2019 @ 1:28pm

Blazing Meteor

Got Rank S in acts seven times.
Unlocked 27 Dec, 2019 @ 12:48am

Blue Comet

Got Rank S in acts 12 times.
Unlocked 2 Jan, 2020 @ 5:41am

Big Bang

Got Rank S in all acts.
Unlocked 7 Oct, 2023 @ 5:10am

Trickstar

Executed a trick with a seven-step combo or longer.
Unlocked 8 Aug, 2019 @ 9:39am

Eradicator

Defeated 100 enemies.
Unlocked 8 Aug, 2019 @ 10:00am

Ring King

Reached the goal without dropping any of the rings you collected in GREEN HILL Act 1.
Unlocked 11 Feb, 2019 @ 10:26am

Action Hero

Performed all of Sonic's actions in Act 2.
Unlocked 22 Aug, 2019 @ 12:46am

Can't Touch This

Took no damage while defeating the final boss.
Unlocked 7 Oct, 2023 @ 4:21am

Bonds of Friendship

Completed all of Sonic's friends' Challenges.
Unlocked 8 Nov @ 10:09am

Walkie Talkie

Chatted with all of Sonic's friends you saved.
Unlocked 26 Jan, 2020 @ 10:51am

Join the Ranks

Joined the rankings.
Unlocked 8 Nov @ 10:09am

A 30-Second Test

Participated in a 30 Second Trial.
Unlocked 8 Nov @ 10:09am

Jump for Joy!

Found the spring hidden in GREEN HILL Act 1 and reached the goal with a Red Star Ring.
Unlocked 23 Dec, 2019 @ 9:31am

Walk on Water

Cleared CHEMICAL PLANT without entering the water.
Unlocked 9 Aug, 2019 @ 1:28pm

Walk on Air

Cleared SKY SANCTUARY without falling even once.
Unlocked 15 Aug, 2019 @ 12:41pm

The Byway or the Highway

Got the Red Star Ring located on the shortcut route in SPEED HIGHWAY.
Unlocked 27 Dec, 2019 @ 12:40am

Demolition Derby

Wrecked 30 or more cars in CITY ESCAPE.
Unlocked 22 Aug, 2019 @ 12:54am

Secret Sleuth

Got the Red Star Ring located in the hidden room in SEASIDE HILL.
Unlocked 8 Nov @ 10:09am

Look Both Ways

Reached the goal in CRISIS CITY without being hit by a tornado-carried car.
Unlocked 23 Sep, 2020 @ 12:09am

A Quick Breather

Got the Red Star Ring atop the highest spot in ROOFTOP RUN.
Unlocked 2 Jan, 2020 @ 5:24am

Color Power!

Got the Red Star Ring by using an Orange Wisp in PLANET WISP.
Unlocked 8 Nov @ 10:09am

Supersonic!

Cleared a regular stage as Super Sonic.
Unlocked 27 Dec, 2019 @ 3:20am

Mad Skillz

Got all custom skills.
Unlocked 8 Nov @ 10:09am

(Hedge)Hogging It All Up!

Got all collectibles.
Unlocked 8 Nov @ 10:09am

Time Attacker

Played Time Attack on all stages.
Unlocked 8 Nov @ 10:09am

Red Ring Collector

Got all Red Star Rings.
Unlocked 8 Nov @ 10:09am

Halfway Point

Cleared half the missions.
Unlocked 8 Nov @ 10:09am

Mission Accomplished!

Cleared all the missions.
Unlocked 8 Nov @ 10:09am