Here is the full list of all 20 2084 achievements.
Kill 50 nanophage zombies.
Kill 100 nanophage zombies.
Kill 200 nanophage zombies.
Kill 50 TV heads.
Kill 100 TV heads.
Kill nanophage champion.
Kill 5 nanophage champions.
Hack 5 different objects.
Hack 10 times.
Hack 25 times.
Hack 50 times.
Hack 8 digit code in less than 2 seconds.
Destroy 10 enemies with one grenade launcher shot.
Decipher the message
Hack without a single mistake 10 times in a row.
Finish the game under XXX minutes.
Kill the Strongarm.
Distract Janus.
Destroy the Generator.
Overcharge your weapon.