Here is the full list of all 33 Mother Russia Bleeds achievements.
Complete a level without using any weapon
Achieve a 500 hit combo
Complete the game with the happy ending
Complete the game in Easy mode
Complete the arena in less than 5 minutes
Reach your destination without being hit by a grenade
Defeat the Dealers' leader without ending up under the harvester
Complete the game in Hardcore mode
Get through the hall without being hit by the chopper
Defeat the Butcher without being hit by his claw
Defeat the Government officer without being hit by a train
Leave the train without letting the inspectors call for backup
Complete a level without taking any Nekro
Defeat the Prison Governor without being hit by a sniper
Get through the sewers without being bitten by a rat
Get through the sewers without raising a hand to a pig
Complete the game in Normal mode
Complete the game with the sad ending
Get gnawed by 5 rats at the same time
Empty a cartridge clip without any random shot
Keep the Gimp alive
Achieve a 200 hit combo
Use an enemy to knock down another 5
Achieve a 100 hit combo
100% complete the game
Complete a level without being hit
Escort the prisoner without letting him take any hit
Cross the boulevard without being hit by a motorbike
Kill 40 riot policemen as you cross the main square
Complete a level without anyone on the team being killed
Complete a level without hitting any ally
Complete a level without letting anyone on the team get hit
Successfully hand a knife to your ally