Finish the Legend of the Beast campaign in single player or cooperative.

Complete the Medieval episode in single player or cooperative.

Survive the storm on the Grand Cathedral.

Destroy an enemy cannon with your own cannon.

Complete the Persia episode in single player or cooperative.

Complete the South America episode in single player or cooperative.

Kill 100 enemies with Serious Damage active.

Kill 50 Cucurbitos.

Use the Flamethrower on a Lava Golem.

Kill 10 enemies with the Chainsaw without releasing the trigger.

Cut down some trees.

Find a secret under water.

Trigger Ugh-Zan's regeneration on The Great Pyramid.

Leap into the unknown on Luxor.

Defeat the Lava Golem boss on Alley of the Sphinxes.

Pierce at least 10 enemies with a single cannonball.

Obtain the Water Element.

Obtain the Fire Element.

Obtain the Earth Element.

Obtain the Air Element.

Earn a gold medal on any level in single player Survival.

Complete the Jewel of The Nile single player campaign.

Awake the Guardian of Time.

Start the car.

Power up the Timelock.

Kill 20 enemies with the Minigun without releasing the trigger.

Kill a Witch-Bride of Achriman.

Rip Scrapjack's head off.

Blow a Major Biomechanoid into pieces.

Use the Mutilator to surf after a Werebull.

Kill an enemy using the Mutilator.

Solve the riddle of the Sphynx.

Defeat the spaceship.

Secure the bird.

Gib 20 enemies from close range with a shotgun.

Rescue professor Stein. So to say.

Squash 10 Hatchling spiders.

Complete any level in single player.

Decipher an Egyptian text.

Kill an enemy with a gib torn from another enemy.

Kill at least 5 headless kamikazes in one explosion.

Kill the kicked enemy while it is still in the air.

Find Sam's classic outfit.

Kill at least 3 enemies in one spinning Sledgehammer attack.