When does Sonic CD get good?

Hooks you almost right away. In the first 2 hours 1 in 6 reviews are negative (18%); after 4h it's 1 in 18 (6%). Fully opens up by hour 4.

How many players finish Sonic CD?

25% of players who start reach the ending.

All games

Sonic CD

Jan 19, 2012 Steam: Very Positive

Hooks you almost right away

Gets good by 3h almost every game dips in hours 2–3

Fully opens up by 4h rated like by long-time players

Reach the ending 25% of players who started

Started playing 77% of owners

Steam reviews 90% positive of 5,512

What the data shows

In the first 2 hours 1 in 6 reviews are negative (18%); after 4h it's 1 in 18 (6%).
Fully opens up by hour 4.
The opening is criticised less than in 77% of games we track.
25% of players who start reach the ending.
Most players drop off before “Dr. Eggman Got Served” (Destroy Dr. Eggman's final machine): only 25% of starters get there.
77% of owners got the first achievement.

When it gets good

Share of positive reviews by how many hours the reviewer had played when writing the review.

before it gets good opening up fully opened up

Based on all 5,569 Steam reviews in every language. Median playtime in a sample of 295 reviews: 5.9h for positive, 1.8h for negative. Almost every game is rated lower in the first 2–3 hours: that window includes refunds and quick first impressions. What matters is how deep the dip is and how fast the game recovers.

Where players quit

Share of players who started the game and reached each story milestone. 100% is the most common achievement (76.9% of owners), so people who bought the game and never launched it don't count.

Started playing 100%
Dr. Eggman Got Served Destroy Dr. Eggman's final machine Most players quit here 25% −75
All Stages Clear! Finish the game 25%

story milestone ending biggest drop-off

Story milestones were labeled by AI from achievement names and descriptions; mistakes are possible.

All achievements (12)

story milestone ending side

88 Miles Per Hour Travel through time 100%
Just one hug is enough Get a hug from Amy 44%
Dr. Eggman Got Served Destroy Dr. Eggman's final machine 25%
All Stages Clear! Finish the game 25%
Paradise Found Complete a zone in the Good Future 23%
Take the High Road Pass the upper Signpost in Collision Chaos Zone 2 10%
Treasure Hunter Collect all the Time Stones 9.6%
Heavy Metal Defeat Metal Sonic without getting hurt 9.4%
King of the Rings Collect 200 Rings 7.4%
Just in Time! Complete the Time Attack mode in under 25 minutes 6.9%
Statue Saviour Find the angel statue in Wacky Workbench 6.8%
Saviour of the Planet Destroy all the robot teleporters and Metal Sonic holograms in the past 5.7%

Steam page Updated: 2026-10-19.