Achievements, achievements, there are lots in Minecraft, but why not add your own?
How to make an achievement on this page:
Row 1: Name of achievement
Row 2: Prerequisites (achievement required)
Row 3: In-Game Description
Row 4: Acual Requirements (if needed)
Row 5: Item/block Picture
Name: Who's The Better Sniper?
Requires: Monster Hunter
Description: Kill 50 Skeletons with only bows and arrows!
Acual: Kill 50 Skeletons only using arrows shot from a bow.
Picture: Skeleton Head
So that's how to make an achievement! So get busy with ideas!