Sonic the Hedgehog (1991) achievements

2.48%

Blue Phantom

You have Learned all Sonic actions.

2.48%

Soleanna's blue wind

You have Achieved Rank S on all Sonic TOWN Missions.

2.98%

Sonic Episode: Completed

You have Cleared all Sonic ACT Missions.

3.47%

Elite Agent

You have Cleared all Shadow TOWN Missions.

3.97%

Soleanna's Hero

You have Cleared all Sonic TOWN Missions.

8.44%

Ultimate Life Form

You have Learned all Shadow actions.

8.93%

One to reach the end

You have Cleared Last Episode.

9.93%

Shadow Episode: Cleared

You have Cleared Shadow Episode.

10.17%

Silver Episode: Cleared

You have Cleared Silver Episode.

10.42%

Fast Win

Beat the game in under 40 minutes.

11.17%

Psychic Soldier

You have Learned all Silver actions.

13.15%

Sonic Episode: Cleared

You have Cleared Sonic Episode.