Sonic Generations achievements
1,946
(1,000)

Sonic Generations

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There are a maximum of 49 Sonic Generations achievements worth 1,946 (1,000)

29,252 tracked gamers have this game, 2,567 have completed it (8.78%)

Achievement Details

Secret Achievement in Sonic Generations

Secret Achievement15 (15)

Continue playing to unlock this secret achievement. (Secret)

  • Unlocked by 27,568 tracked gamers (94% - TA Ratio = 1.02) 29,252  

Achievement Guide for GREEN HILL Restored!

AuthorSolution
abtimbad
10,107 (5,245)
abtimbad
Achievement not yet won
Posted on 01 November 11 at 21:38, Edited on 23 February 12 at 04:28
This solution has 2 positive votes and 0 negative votes. Please log in to vote.
GREEN HILL Restored!

its story related, it can be missed (this achievement is buggy) but it unlocks after the cutscene where tails sees both sonics which happens after you beat the first stage with both kind of sonics.

if it glitches on you then start a new save file on a different memory unit.
credit goes to stevemccaslin for that info
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