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