Sonic Generations

Developer(s)Sonic Team
Release date(s)November 4, 2011
PlatformsXbox 360
Sonic Generations was released worldwide (most countries) on November 4, 2011. It is the 26th main title in the Sonic the Hedgehog franchise to be released, and it was the game released for the 20th aniversary. Sonic Generations contains 49 achievements, totaling up to 1000G to be obtained.


Main Story

  • The Opening Act - Race through the first stage (10G)
  • All Stages Cleared - Clear Sonic Generations (50G)
  • Greased Lightning - Clear GREEN HILL Act 1 within one minute (10G)
  • Bright Star - Get Rank S in an Act (15G)
  • Shooting Star - Get Rank S in three Acts (20G)
  • Blazing Meteor - Get Rank S in Seven Acts (30G)
  • Blue Comet - Get Rank S in twelve Acts (40G)
  • Big Bang - Get Rank S in all Acts (50G)
  • Trickstar - Pull off a seven or more trick combo or six trick combo ending in a finishing trick (10G)
  • Eradicator - Defeat 100 enemies (15G)
  • Ring King - Reach the goal without dropping any of the rings you collected in GREEN HILL Act 1 (15G)
  • Action Hero - Perform all of Sonic's moves in Act 2 (10G)
  • Bonds of Friendship - Complete all Challenge Acts featuring Sonic's friends (10G)
  • Walkie Talkie - Chat with each of Sonic's friends you have saved (10G)
  • Mad Skillz - Get all Skills (30G)
  • (Hedge)Hogging It All Up! - Get all collectibles (50G)
  • Red Ring Collector - Get all Red Star Rings (30G)
  • Halfway Point - Clear half the Challenge Acts (30G)
  • Mission Accomplished! - Clear all the Challenge Acts (30G)

Secret Achievements

  • SKY SANCTUARY Restored! - Restored the SKY SANCTUARY Stage Gate (15G)
  • SPEED HIGHWAY Restored! - Restored the SPEED HIGHWAY Stage Gate (15G)
  • CITY ESCAPE Restored! - Restored the CITY ESCAPE Stage Gate (15G)
  • GREEN HILL Restored! - Restored the GREEN HILL Stage Gate (15G)
  • CHEMICAL PLANT Restored! - Restored the CHEMICAL PLANT Stage Gate (15G)
  • PLANET WISP Restored! - Restored the PLANET WISP Stage Gate (15G)
  • SEASIDE HILL Restored! - Restored the SEASIDE HILL Stage Gate (15G)
  • CRISIS CITY Restored! - Restored the CRISIS CITY Stage Gate (15G)
  • ROOFTOP RUN Restored! - Restored the ROOFTOP RUN Stage Gate (15G)
  • Treasure Hunter - Collected all the Chaos Emeralds (20G)
  • Shadow Boxing - Defeated Shadow (25G)
  • Silver Got Served - Defeated Silver (30G)
  • Scrap Metal - Defeated Metal Sonic (20G)
  • Perfect Punisher - Defeated Perfect Chaos (25G)
  • Boom Boom Dragoon - Defeated Egg Dragoon (30G)
  • Sunny Side Up - Defeated Death Egg Robot (20G)
  • Can't Touch This - Took no damage from the final boss and cleared the stage (30G)
  • A Quick Breather - Got the Red Star Ring atop the highest spot in ROOFTOP RUN Act 2 and reached the goal (10G)
  • Colour Power! - Got the Red Star Ring by using an Orange Wisp in PLANET WISP Act 2 and reached the goal (10G)
  • Supersonic! - Cleared a regular stage as Super Sonic (20G)
  • Walk on Air - Cleared SKY SANCTUARY Act 1 without falling and losing a life (20G)
  • Demolition Derby - Wrecked 30 or more cars in CITY ESCAPE Act 2 (10G)
  • Secret Slueth - Got the Red Star Ring located in the hidden room in SEASIDE HILL Act 1 and reached the goal (10G)
  • Look Both Ways - Reached the goal in CRISIS CITY Act 2 without being hit by a tornando-carried cars or rocks (10G)
  • walk on Water - Cleared CHEMICAL PLANT Act 2 without entering the water (10G)
  • Jump for Joy! - Found the spring hidden in GREEN HILL Act 1 and reached the goal with a Red Star Ring (10G)
  • The Byway or the Highway - Got the Red star Ring located on the shortcut route in SPEED HIGHWAY Act 2 and reached the goal (20G)


  • Join the Ranks - Join the rankings (20G)
  • A 30-Second Test - Particpate in a 30 Second Trial (20G)
  • Time Attacker - Play Ranking Attack on all stages (30G)