Save the Bear from the Watchmen after the fight.

Find out about the Reds' plans.

Set 2 Enemies on fire at once.

Kill the Rhino.

Install all possible Customizations for a Weapon.

Make 10 Spiders flip belly-up.

Escape from the Red Line.

Write 10 of Artyom's hidden Diary pages.

Escape the chasing Nazis on the REICH level without being caught once.

Finish episode 0

Attain 100% Game Completion.

Complete all Under the Bridge and Knife Flight challenges.

Attain a gold medal in all applicable hobbies and pastimes.