Get drunk with vodka and kill 5 enemies
Kill 3 or more enemies with a single Railgun shot
Freeze a Vova mid-air
Craft consumables of all types
Create five types of weapons
Collect all weapons
Upgrade a weapon to the maximum level
Kill Twins
Find out the AoC's secret
Kill Dewdrop
Explore Pavlov
Use Telekinesis to throw an object and knock down an Owl
Get 25 kills with headshots using the PM
Get to a hospital
Hit 20 enemies by a car
Kill 10 burning enemies, 10 electrified enemies, and 10 frozen enemies
Finish a theater performance
Kill Natasha
Destroy 15 enemies using the Alionka neuropolymeric launch module
Kill Belyash with a melee weapon
Kill Belyash
Fully upgrade one skill tree
Clear the VDNH complex
Pick all apples in Limbo
Scan all mobs
Don't let a sprout grow into a mutant
Kill Plyusch
Kill Hedgie
Take a train at the Lesnaya Maglev train station
Get out of Vavilov
Create a weapon in a crafting machine
Collect 100 jelly
Use a phone booth at Chelomey
Fly out of Chelomey
Unlock all achievements
Complete the game on Armageddon
Kill Hedgie without making a single shot / destroy all statues
Find all talking dead animals
Talk to every dead
Find all Chirpers
Find all Lootyagins
Find a testing ground
Complete all testing grounds
Get into the ORB lab
Use a Strekoza for the first time
Send all BEA-Ds to NORA's brain
Complete the Annihilation Instinct DLC
Separate several combined BEA-Ds with one shot from the Secateur
Kill 3 enemies while using technostasis
Kill 3 M4D-5 robots in a row while they're hopping on one foot
Upgrade the Klusha and Secateur to max