Here is the full list of all 27 Red Comrades Save the Galaxy: Reloaded achievements.
Assemble without a manual.
Sing Murka
Was he here too?
Talk about the space janitor
Learn the real storyline of Doom
Tell the Pilot brothers!
Finish 100% of the game
Use the time-machine
Escape from captivity
Your dull jokes make Vasily Ivanovich grieve
Find Furmanov's head
Learn the truth (which is out there)
Fly away from this planet
Learn Pope's history
Find some weapons
Are you sure it's the czar?
Trick the Chinese man
Make Madeleine drunk
Trick the lieutenant
Find cover to get to the White Army
What's that - a palm?
Make Kuzmich drunk as a skunk, and high as a mountain.
Learn about other people of Backwoods
Visit the club
Talk about Arnie's poster
Don't you dare touching Anka!
Leave the house