Sheep Cheats

Hold [Alt] + [Shift] and quickly type
pint to have Adam Half Pint drop pints to lead the sheep.
Chase the Modern Pastoral sheep with the same object five times
to make them follow any character. Note: This may make Shep sick.

Simply hit ESC to bring up the Main Menu and type one of the words below to enable the cheat. If successful, the menu will disappear (non-US versions only) and the cheat will be activated. Type slowly and carefully to ensure correctness.

Code - Result
PooSheep - Pastroal Sheep Poo Instead of Graze
FatSheep - Sheep Grow to 150% Their Normal Size
MiniSheep - Sheep Shrink to 1/2 Their Normal Size
CancelCheats - Deactivate Cheats

Note: Only the "PooSheep" cheat will work in the US version of Sheep. The other cheats were added into the game after the US version was released.