Here is the full list of all 40 The Underground Man 2 achievements.
Complete
Complete ”HUVARDER” episode.
Complete ”WASTELANDS” episode.
Complete ”DYBENKO” episode.
Complete ”BUZULUK” episode.
Complete ”LOVE AND TONY” episode.
Complete ”ROADBLOCK” episode.
Complete ”RIDING DOWN THE SLEEPERS” episode.
Complete the game.
Complete the game with Finisher by your side.
Complete the game with Spider by your side.
Complete the game with Sanya by your side.
Complete the game without using any weapons.
Complete the game without healing your character.
Complete the game with zero deaths.
Talk with all the peaceful NPCs. Find out what's on their minds!
Read through all descriptions in research mode.
Find all collectibles.
Have a good time at Mitino hotel.
Get to Dybenko using the underground system.
Get to Dybenko on foot.
Execute Boar.
Release Boar.
Dance for DJ E. Bann! Entertain the crowd and don't make a single mistake.
Ruin DJ Gniloy's performance.
Share the bathtub with Tony the Bartender. Feel his love and don't make a single mistake.
Complete the Arena mode by yourself.
Complete the Arena mode with a partner.
Save the wounded marauder.
Get smashed by the hydraulic press.
Execute Vladimir Vist.
Keep Vladimir Vist alive.
Eat all the food from the table during the train trip.
Get yourself killed by letting an octopus hug you.
Use the throw to make a human enemy fall into the toxic water.
Turn a human enemy into a zombie.
Kill a human enemy or a zombie using a Plasma gun.
Kill a human enemy or a zombie using a Molotov cocktail.
Kill a human enemy or a zombie using a Shotgun or a Bomb.