Kill 100 Human Enemies.

Write 10 of Artyom's hidden Diary pages.

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

Complete training sequence.

Melee 5 enemies in a row.

Get married

Select a Standing Stone blessing

You collected all of the Chinpokomon.

You defeated Princess Kenny and recovered the Stick of Truth.

You have collected half of the available costume sets.

You defeated 3 enemies in one battle while your buddy was knocked out.

You made friends with half of South Park.

You defeated the High Jew Elf Kyle in battle.