- You have completed all of the required elements to unlock the achievement.
- Your device / console must be connected to the internet.
There are 106 Sonic 3 & Knuckles achievements, trophies and unlocks on RETRO platform curated by the community.
Games similar to Sonic 3 & KnucklesComplete Angel Island Zone.
Complete Hydrocity Zone.
Complete Marble Garden Zone.
Complete Carnival Night Zone.
Complete Icecap Zone.
Complete Launch Base Zone.
Complete Mushroom Hill Zone.
Complete Flying Battery Zone.
Complete Sandopolis Zone.
Complete Lava Reef Zone.
Beat Knuckles in Hidden Palace Zone. Sonic and Tails only.
Complete Sky Sanctuary Zone with Sonic or Tails.
Complete Death Egg Zone.
Complete the game with Sonic.
Complete the game with Sonic, with all the Super Chaos Emeralds of the game.
Complete the game with Knuckles.
Complete the game with Knuckles, with all the Super Chaos Emeralds of the game.
Complete the game with Tails.
Complete the game with Tails, with all the Super Chaos Emeralds of the game.
Complete Angel Island Zone Act 1 in less than 2 minutes.
Complete Launch Base Zone Act 2 with 100 rings or more.
Complete Mushroom Hill Zone Act 1 in less than 3 min and with a Bubble Shield.
Complete Sandopolis Zone Act 2 with a Fire Shield.
Complete Lava Reef Zone Act 2 with Sonic or Tails and with an Electric Shield.
Have 100 rings or more in The Doomsday Zone.
Get a perfect in a Special Stage.
Get your first Chaos Emerald.
Get all the Chaos Emerald.
Get all the Super Chaos Emerald.
Get 100 Rings.
Get 200 Rings.
Have exactly 10 lives.
Have exactly 20 lives.
Time Trial - Complete Azure Lake in under 0'30''00.
Time Trial - Complete Balloon Park in under 0'50''00.
Time Trial - Complete Chrome Gadget in under 0'45''00.
Time Trial - Complete Desert Palace in under 0'40''00.
Time Trial - Complete Endless Mine in under 1'00''00.
Grand Prix - Complete Grand Prix in under 4'00''00.
Find the uppermost secret in Angel Island Act 2
Go above the screen in the Pinball Bonus room.
Go above the screen in Mushroom Hill Zone
Get the Jackpot in the Slot Machine Bonus
Perfect Special Stage 1 while going backwards. Don't pause.
Change your shield 5 times in the Gumball Bonus
Find the ring-filled chasm in Ice Cap Zone Act 2, complete with a big ring.
Complete the level with the timer at 9 minutes and 59 seconds.
Complete Death Egg Zone without dying. No super or bonuses.
Complete Launch Base Zone Act 1 or 2 without pressing Left
Collect 400 rings, and finish the level with them.
Get into Hydrocity Zone Act 1's hidden trapezoid of rings.
Complete Marble Garden Zone Act 1 without getting hurt. No super or bonus.
Activate Cheats. NOTE - You cannot get other achievements with cheats.
Complete Angel Island Zone.
Complete Hydrocity Zone.
Complete Icecap Zone.
Complete Carnival Night Zone.
Complete Marble Garden Zone.
Complete Launch Base Zone.
Complete Sandopolis Zone.
Complete Flying Battery Zone.
Complete Mushroom Hill Zone.
Complete Lava Reef Zone.
Complete Death Egg Zone.
Complete the game with Sonic.
Beat Knuckles in Hidden Palace Zone. Sonic and Tails only.
Complete Sky Sanctuary Zone with Sonic or Tails.
Complete the game with Sonic, with all the Super Chaos Emeralds of the game.
Complete the game with Tails.
Complete the game with Tails, with all the Super Chaos Emeralds of the game.
Complete the game with Knuckles.
Complete Sandopolis Zone Act 2 with a Fire Shield.
Complete Lava Reef Zone Act 2 with Sonic or Tails and with an Electric Shield.
Complete the game with Knuckles, with all the Super Chaos Emeralds of the game.
Complete Launch Base Zone Act 2 with 100 rings or more.
Complete Angel Island Zone Act 1 in less than 2 minutes.
Get all the Super Chaos Emerald.
Get all the Chaos Emerald.
Complete Mushroom Hill Zone Act 1 in less than 3 min and with a Bubble Shield.
Have 100 rings or more in The Doomsday Zone.
Have exactly 20 lives.
Time Trial - Complete Azure Lake in under 0'30''00.
Get a perfect in a Special Stage.
Get your first Chaos Emerald.
Get 100 Rings.
Time Trial - Complete Endless Mine in under 1'00''00.
Grand Prix - Complete Grand Prix in under 4'00''00.
Get 200 Rings.
Have exactly 10 lives.
Time Trial - Complete Balloon Park in under 0'50''00.
Go above the screen in Mushroom Hill Zone
Perfect Special Stage 1 while going backwards. Don't pause.
Time Trial - Complete Chrome Gadget in under 0'45''00.
Time Trial - Complete Desert Palace in under 0'40''00.
Find the uppermost secret in Angel Island Act 2
Complete the level with the timer at 9 minutes and 59 seconds.
Complete Launch Base Zone Act 1 or 2 without pressing Left
Get the Jackpot in the Slot Machine Bonus
Go above the screen in the Pinball Bonus room.
Change your shield 5 times in the Gumball Bonus
Activate Cheats. NOTE - You cannot get other achievements with cheats.
Complete Death Egg Zone without dying. No super or bonuses.
Find the ring-filled chasm in Ice Cap Zone Act 2, complete with a big ring.
Collect 400 rings, and finish the level with them.
Get into Hydrocity Zone Act 1's hidden trapezoid of rings.
Complete Marble Garden Zone Act 1 without getting hurt. No super or bonus.