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