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