Step into paratrooper's shoes.

Don't walk on the floor.

Play the bartender.

Escape from the Cryo Unit.

Make your way to the digger's cave.

Visit the dump.

Find the lost desert.

Go down to the Arena.

Enter the cabin.

Kill 10 Digger Larvae.

Kill 500 Digger Workers.

Kill 200 Spitters.

Kill 100 Female Diggers.

Kill 200 Acids.

Kill 200 Guards.

Kill 100 Miners.

Kill 200 Digger Soldier.

Kill 200 Observers.

Kill Digger Queen.

Kill 100 Hound Pups.

Kill 100 Hound Observers.

Kill 500 Adult Hounds.

Kill Infected Hound.

Kill 100 Smelly Hounds.

Kill Reeker.

Kill 100 Slider Larvae.

Kill 500 Trogs.

Kill 200 Infected Diggers.

These are the wrong sort of diggers. They would make the wrong sort of slime.

Kill Infected Queen.

Kill 200 Raiders.

Kill 200 Deserters.

Kill brothers Sam and Gregor Polonaise.

Kill 200 Disciples.

Destroy the Mobile Base.

Kill 200 Locusts.

Kill 200 Slider Females.

Kill 500 Almer Creatures.

Kill 200 Fruit Pests.

Kill Brawler.

Place the severed hand in the microwave.

Produce a hand in the formalin.

Take the watch to pieces.

Eat the whole container of rolls.

Offer an exquisite apology to Lara.

Kill a wounded animal.

Remove the stains without any help.

Perform the bloody ritual.

Complete the 1st chapter.

Complete the 2nd chapter.

Complete the 3rd chapter.

Examine 10 "Eyes".

Examine 50 "Eyes".

Examine 100 "Eyes".

Examine 250 "Eyes".

Read 1 book.

Read 30 books.

Contract a disease.

Fulfill Barman's request.

Paste leaflets in the Ark.

Play the game for 1 hour.

Play the game for 2 hours.

Play the game for 5 hours.

Play the game for 10 hours.

Play the game for 50 hours.

Play the game for 100 hours.

Shoot 1000 rounds.

Shoot 10000 rounds.

Shoot 100000 rounds.

Shoot 1000000 rounds.