Full list of all 33 Among Us achievements. It takes around 12-15 hours to unlock all of the achievements in the base game on Windows.
The base game contains 24 achievements, and there is 1 DLC pack containing 9 achievements.
Win a game by vote as Impostor
Win 3 games on The Airship
Get 50 total kills
Win a game by sabotaging a critical system as Impostor.
Complete 500 total tasks
Get killed during a medbay scan
Win a 2 Impostor game with both Impostors alive at the end of the game.
Win a game by killing all crewmates as Impostor.
Win a game without using vents as Impostor.
Win 3 games on Skeld
Get a kill during a lights sabotage
Win 3 games on Polus
Complete 100 total tasks
Win a game by completing all tasks as a crewmate
Get 5 total kills
Get 3 kills before a meeting is called
Win 3 games on MIRA
Get your first kill
Fix a sabotage that you called
Survive and win a game as a crewmate
Win a game as crew with your only votes being for the Impostor
Complete 10 total tasks
Complete the card swipe task on your first try
Get 150 total kills
10 wins as a hider in Hide n Seek Mode
Block a kill as a guardian angel
Do all your tasks in Hide n Seek Mode
Kill all hiders as impostor in Hide n Seek Mode
Kill Someone while disguised as them
Survive a Game as Crew in Hide n Seek Mode
50 wins as a hider in Hide n Seek Mode
100 kills as a seeker in Hide n Seek Mode
200 kills as a seeker in Hide n Seek Mode