Here is the full list of all 27 Red Comrades Save the Galaxy: Reloaded achievements.
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
Sing Murka
Are you sure it's the czar?
Trick the Chinese man
Make Madeleine drunk
Find some weapons
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.
Tell the Pilot brothers!
Learn about other people of Backwoods
Visit the club
Talk about Arnie's poster
Don't you dare touching Anka!
Assemble without a manual.
Leave the house