After running out of filters in a hazard zone, craft a new one while suffocating.

Find all 70 hidden Diary pages.

Play five games

Everyone Freezes everyone else on a question in a 3-6 player game

Play every Power Play with the same player in a single game

Choose all four doors, with at least one character on each door, in the door choice screen

Kill 30 enemies with Crossbow.

Find all upgrades for Artyom's suit.

Make at least one kill with every ranged weapon.

Hover as normal Snoopy for more than 5 seconds

Kill the Catfish.

Spend 500 chemical resources on cleaning weapons.