Here is the full list of all 21 The Last Medic achievements.
Heal everyone
Complete the game 100%
Unlock all achievements
Find a secret exit
Find a golden note
Discover Arahnovoz
Discover Yara
Discover Majka
Finish the game by saving Earth
Finish the game by entering the singularity
Finish the game by completing the loop
Finish the game by ending it all
Find all pianists
Install the Pairs app
Install the Scanner app
Install the Reel app
Install the TC75 app
Win a game of Pairs
Successfuly complete a scan using the Scanner app
Win a game of Reel
Win a game of TC75