Here is the full list of all 61 Dead Effect achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Complete game on new game plus difficulty.
Killing 500 zombies with the stungun.
Use the regeneration chamber 20 times.
Survive within the specified waves of infected enemies.
Survive within the specified time limit.
You must collect 500.000 of all available credits in whole game.
Finish the mission at the basic level of difficulty.
Finish the mission in less than 7 minutes.
Complete game on basic difficulty.
Finish the mission without using the healing terminal.
Finish the mission without losing any health.
Finish the mission using only one type of the weapon.
Finish the mission without using the special ability or healing terminals.
Eliminate all the combat turrets without getting hit.
Finish the mission with the success rate exceeding 85%.
Kill at least 6 zombies with headshots without reloading.
Finish the mission in less than 10 minutes with the success rate exceeding 75%.
Upgrade at least one weapon up to the maximum of all your values.
Finish the mission without using the special ability.
Killing 1000 zombies.
Find and use all the augmentation terminals.
Use all the augmentation terminals.
Kill 10 zombies with headshots using your special ability.
Finish the mission using only the secondary weapon.
Killing 500 zombies.
Kill at least 7 enemies with headshots.
Kill all the contaminated to clear the whole area.
Eliminate the miniboss without getting hit.
Kill at least 5 zombies at the same time without reloading.
Collect all credits in the whole level.
Eliminate the combat turret without getting hit.
Kill 100 monsters with headshots.
Killing 100 zombies with the stungun.
Use only the stungun to finish the mission.
Killing 50 zombies with the stungun.
Use the healing terminal when you have only the last segment on the health bar.
Killing 5000 zombies.
Killing 10000 zombies.