Sonic Generations Collection
49 achievements
Ultra Rare×5
Very Rare×15
Rare×12
Uncommon×11
Common×6
About Sonic Generations Collection's achievements
Sonic Generations Collection has 49 Steam achievements, 5 of them ultra-rare — unlocked by under 5% of players. The rarest is "Time Attacker", earned by just 2.8% of players. Across 15 SteamVault hunters who reached 100%, full completion takes a median of about 23 hours. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.
Rarest achievement
2.8%
of players earned "Time Attacker"
SteamVault 100%s
15
members fully completed it
Median to 100%
23h
typical time to full completion
Community Ratings
No ratings yetDifficulty—
Easy → Brutal
Enjoyment—
Meh → Loved it
Grindiness—
No grind → Huge grind
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All Sonic Generations Collection achievements
49 achievements
Ultra Rare2.8%
Ultra Rare3.1%
Ultra Rare4.1%
Ultra Rare4.1%
Ultra Rare4.5%
Very Rare6.2%
Very Rare6.3%
Very Rare6.5%
Very Rare6.6%
Very Rare7.4%
Very Rare9.3%
Very Rare9.5%
Very Rare9.6%
Very Rare9.8%
Very Rare9.9%
Very Rare10.3%
Very Rare10.6%
Very Rare10.8%
Very Rare13.0%
Very Rare13.3%
Rare16.7%
Rare17.0%
Rare20.3%
Rare23.4%
Rare23.8%
Rare24.0%
Rare25.2%
Rare25.9%
Rare26.5%
Rare27.8%
Rare28.7%
Rare29.2%
Uncommon31.3%
Uncommon31.3%
Uncommon31.5%
Uncommon32.5%
Uncommon35.0%
Uncommon37.1%
Uncommon38.6%
Uncommon39.7%
Uncommon42.2%
Uncommon42.4%
Uncommon46.0%
Common54.1%
Common58.8%
Common62.2%
Common69.0%
Common80.6%
Common86.7%