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