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