Fire one of every type of weapon.

Use 'The Manta'.

Make the cow speak in every speed.

See all of Jim's idle animations.

Get maximum ammo for the plasma gun.

Hold 20 Mega Plasma Blaster shots.

Complete the Granny bonus.

Answer 5 questions correctly in a row during the Game Show.

Win the best prize in the bumper game in 'Villi People'.

Win an extra life in the 'Hammer Head' minigame. [Inflated Head]

Collect the Chip Butty in 'Anything But Tangerines?'

Collect the first Chip Butty in 'Lorenzen's Soil'.

Collect the second Chip Butty in 'Lorenzen's Soil'.

Collect all 10 meal worms in 'Villi People' before the Game Show.

Collect the Chip Butty in 'Udderly Abducted'.

Collect the Chip Butty in 'Inflated Head'.

Collect all 11 meal worms in 'Inflated Head'.

Collect the hidden Chip Butty in 'ISO 9000'.

Collect the first hidden life in 'ISO 9000'.

Totally Forked.

Reach Pedro Pupa without the timer going below 60 in 'Lorenzen's Soil'.

Complete the first four rounds of 'Puppy Love 1' without Peter getting mad.

Complete the first four rounds of 'Puppy Love 2' without Peter getting mad.

Complete the first four rounds of 'Puppy Love 3' without Peter getting mad.

Collect all flags in 'Anything But Tangerines?' and finish the level.

Collect all flags in 'Lorenzen's Soil' and finish the level.

Collect all flags in 'Puppy Love 1' and finish the level.

Collect all flags in 'Villi People' and finish the level.

Collect all flags in 'The Flyin' King' and finish the level.

Collect all flags in 'Puppy Love 2' and finish the level.

Collect all flags in 'Udderly Abducted' and finish the level.

Collect all flags in 'Inflated Head' and finish the level.

Complete 'Inflated Head' without ever touching ground.

Collect all flags in 'ISO 9000' and finish the level.

Collect all flags in 'Puppy Love 3' and finish the level.

Collect all flags in 'Level Ate' and finish the level.

Complete 'Anything But Tangerines?' on Difficult.

Complete 'Lorenzen's Soil' on Difficult, without using a 'Password'.

Complete 'Villi People' on Difficult, without using a 'Password'.

Complete 'The Flyin' King' on Difficult, without using a 'Password'.

Complete 'Udderly Abducted' on Difficult, without using a 'Password'.

Complete 'Inflated Head' on Difficult, without using a 'Password'.

Complete 'ISO 9000' on Difficult, without using a 'Password'.

Complete 'Level Ate' on Difficult, without using a 'Password'.

Complete the game on Difficult, without using a 'Password'.

Complete the game on Difficult, without using a 'Password' or continue.

Stop the nefarious Psy-Cow from marrying the beautiful Princess-What's-Her-Cow.