Full list of all 12 Super Meat Boy achievements worth 200 gamerscore. It takes around 25-30 hours to unlock all of the achievements on Xbox 360.
You unlocked Gish by collecting 10 bandages! Go you!
You unlocked Commander Video! Double rainbow all da way!
You found a warp zone! Now pay me for the door repair!
Find and complete 5 warp zones.
Find and unlock The Kid.
Complete 10 levels consecutively without dying.
Complete a full chapter without dying.
Collect 50 bandages.
Complete the main game.
Complete the Dark World.
Complete the Cotten Alley.
100% the game