Rescue your first Sheep
Get 100 Stars
Rescue 100 Sheep
Kill your first Sheep
Kill 100 Sheep
Complete the first level
Kill all Sheep in a Level
Complete the first 3 levels
Complete 20 levels
Complete a Boss Level
Complete ALL levels
Complete all Boss Levels
Complete level 6-3 without falling into a buzzsaw
Unlock all Rewards
Complete level 4-8 without hitting a switch
Complete any level with a customised sheep.
Use 5 hints
Use a hint
Complete all Secret Levels
Get all the Golden Fleeces