Sonic The Hedgehog achievements

Sonic The Hedgehog

2.6 from 549 votes

There are a maximum of 23 Sonic The Hedgehog achievements worth 2,722 (1,000)

6,585 tracked gamers have this game, 442 have completed it (6.71%)

Achievement Details

Ultimate Life Form in Sonic The Hedgehog

Ultimate Life Form25 (20)

Resurrect the ultimate power from the lost memory

  • Unlocked by 4,077 tracked gamers (62% - TA Ratio = 1.27) 6,587  

Achievement Guide for Ultimate Life Form

119,196 (82,753)
Achievement won on 19 Aug 08
TA Score for this game: 222
Posted on 10 September 08 at 19:13
This solution has 2 positive votes and 0 negative votes. Please log in to vote.
You will need to purchase all of Shadow's abilities from the store. You should be able to get them all before half way through the story.

Once you have the final ability you will be given this achievement.
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