Collect all secrets in France levels

Defeat four fish mutants without being hurt

Explore the U-740 submarine

Get on a quad bike and then get off it on top of a wrecked train in 39 seconds or less

Get to the helicopter through the secret passageway

Enter Willard's hideout through the back door

Enter Willard's hideout through the spiked ceilings

Unravel the secret of Nessie

Honor the memory of Willard's ancestor

Finish The Lost Artifact

Get hidden Highland rockets, Willard's harpoons, Shakespeare grenades, Sleeping Uzi clips, Mad Eagle clips and Reunion large medipack

Don't let monkeys touch any of the items

Collect all secrets in Tunnel levels