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34 of 49 (69%) achievements earned:
Personal Achievements
 

The Opening Act

Completed the first stage.
Unlocked 3 May, 2022 @ 3:15pm

GREEN HILL Restored!

Restored the GREEH HILL stage Gate.
Unlocked 3 May, 2022 @ 3:24pm

CHEMICAL PLANT Restored!

Restored the CHEMICAL PLANT Stage Gate.
Unlocked 3 May, 2022 @ 3:59pm

SKY SANCTUARY Restored!

Restored the SKY SANCTUARY Stage Gate.
Unlocked 3 May, 2022 @ 4:24pm

SPEED HIGHWAY Restored!

Restored the SPEED HIGHWAY Stage Gate.
Unlocked 4 May, 2022 @ 6:45pm

CITY ESCAPE Restored!

Restored the CITY ESCAPE Stage Gate.
Unlocked 4 May, 2022 @ 7:08pm

SEASIDE HILL Restored!

Restored the SEASIDE HILL Stage Gate.
Unlocked 5 May, 2022 @ 7:10pm

CRISIS CITY Restored!

Restored the CRISIS CITY Stage Gate.
Unlocked 8 May, 2022 @ 11:52am

ROOFTOP RUN Restored!

Restored the ROOFTOP RUN Stage Gate.
Unlocked 10 May, 2022 @ 6:59pm

PLANET WISP Restored!

Restored the PLANET WISP Stage Gate.
Unlocked 12 May, 2022 @ 8:17pm

Sunny side up

Defeated Death Egg Robot.
Unlocked 3 May, 2022 @ 5:43pm

Perfect Punisher

Defeated Perfect Chaos.
Unlocked 8 May, 2022 @ 11:09am

Boom Boom Dragoon

Defeated Egg Dragoon.
Unlocked 13 May, 2022 @ 5:08pm

Scrap Metal

Defeated Metal Sonic.
Unlocked 3 May, 2022 @ 5:51pm

Shadow Boxing

Defeated Shadow.
Unlocked 5 May, 2022 @ 7:29pm

Silver Got Served

Defeated Silver.
Unlocked 12 May, 2022 @ 8:31pm

Treasure Hunter

Collected all the Chaos Emeralds.
Unlocked 13 May, 2022 @ 5:10pm

All Stages Clear!

Cleared Sonic Generations.
Unlocked 15 May, 2022 @ 3:38pm

Bright Star

Got Rank S in an act.
Unlocked 4 May, 2022 @ 6:50pm

Shooting Star

Got Rank S in acts three times.
Unlocked 10 May, 2022 @ 6:58pm

Blazing Meteor

Got Rank S in acts seven times.
Unlocked 9 Jun, 2022 @ 8:33pm

Trickstar

Executed a trick with a seven-step combo or longer.
Unlocked 12 May, 2022 @ 7:43pm

Eradicator

Defeated 100 enemies.
Unlocked 3 May, 2022 @ 5:22pm

Ring King

Reached the goal without dropping any of the rings you collected in GREEN HILL Act 1.
Unlocked 11 Jun, 2022 @ 4:11pm

Action Hero

Performed all of Sonic's actions in Act 2.
Unlocked 5 May, 2022 @ 7:32pm

Bonds of Friendship

Completed all of Sonic's friends' Challenges.
Unlocked 21 Jul, 2022 @ 4:37pm

Walk on Water

Cleared CHEMICAL PLANT without entering the water.
Unlocked 11 Jun, 2022 @ 5:01pm

Walk on Air

Cleared SKY SANCTUARY without falling even once.
Unlocked 27 Aug, 2024 @ 11:17am

Demolition Derby

Wrecked 30 or more cars in CITY ESCAPE.
Unlocked 15 May, 2022 @ 3:02pm

Look Both Ways

Reached the goal in CRISIS CITY without being hit by a tornado-carried car.
Unlocked 15 Jul, 2022 @ 12:59pm

A Quick Breather

Got the Red Star Ring atop the highest spot in ROOFTOP RUN.
Unlocked 30 Oct, 2022 @ 6:02pm

Supersonic!

Cleared a regular stage as Super Sonic.
Unlocked 17 May, 2022 @ 7:47pm

Halfway Point

Cleared half the missions.
Unlocked 12 Jun, 2022 @ 4:52pm

Mission Accomplished!

Cleared all the missions.
Unlocked 21 Jul, 2022 @ 5:31pm



Greased Lightning

Cleared Green Hill within one minute.

Blue Comet

Got Rank S in acts 12 times.

Big Bang

Got Rank S in all acts.

Can't Touch This

Took no damage while defeating the final boss.

Walkie Talkie

Chatted with all of Sonic's friends you saved.

Join the Ranks

Joined the rankings.

A 30-Second Test

Participated in a 30 Second Trial.

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.

Time Attacker

Played Time Attack on all stages.

Red Ring Collector

Got all Red Star Rings.
+3

3 hidden achievements remaining

Details for each achievement will be revealed once unlocked