Here is the full list of all 40 Redeemer: Enhanced Edition achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Complete every chapter with 0 deaths.
Perform 300 parries.
Execute 300 enemies.
Break 100 weapons
Beat all Arena levels.
Complete the game
Complete the game on hardcore mode
Shut down the engines in Chapter 15
End the rivalry once and for all
Destroy more than 50% of the walls in Chapter 14
This is a zero-waste production facility. Chapter 13
Forward, Forward, High Punch. Chapter 12
Mince some meat in Chapter 11
Be careful with the glass in Chapter 10
Defeat the guardians.
Restore 1000% of health
Be quicker than the big guys in Chapter 9
Shoot 500 enemies.
Clean out the greenhouse in Chapter 8
Let the others do your work in Chapter 7
Add a bit of pacifism to this bloodbath. Chapter 6
Cook some kebabs in Chapter 5
Kill 150 enemies using the environment
Who's there? Chapter 3
Do it the oldschool way in Chapter 2
Perform 100 stealth kills.
Parry 50 times
Kill 3 enemies while Vasily is near death
Kill five enemies simultaneously
Kill three enemies simultaneously
Win the duel against an old firend.
Restore health from near death to full
Kill 75 enemies using the environment
Turn the ruins into a crypt in Chapter 4
Shoot 50 enemies
Perform 40 stealth kills.
Execute 30 enemies.
Kill 25 enemies using the environment
Feed the fish in Chapter 1
Kill two enemies simultaneously