Here is the full list of all 27 Tabletop Simulator achievements. It takes around 200 hours to unlock all of the achievements on Windows.
Upload at least 3 legitimate Steam Workshop items.
Lock 5000 items over time.
Tint 1000 objects a different color.
Flip the table over 1000 times.
Create an 8 player “light show” with the line drawing tool.
Play a game with a full room of 8 players.
Play Tabletop Simulator for over 50 hours.
Spawn 10,000 poker chips!
Flip the table in an absolute fit of rage… 100 times.
Change your color more than 50 times.
Play Tabletop Simulator for over 10 hours.
Play a civilized game of Chess for 1 hour.
Play the game for 1 hour without flipping the table.
Play a game in zero gravity.
Complete the tutorial in under 30 seconds.
Use your personal color page in the notebook.
Have two RPG figurines attack one another. They must hit!
You spawned the developers’ special figurines!
You tried to flip the table… and failed!
You posted a message in global chat, hurray!
Play a game with someone on your friend's list
Complete the in-game tutorial.
Save 100 items to your Chest.
Play Tabletop Simulator for over 100 hours.
Play Tabletop Simulator for over 200 hours.
Play Tabletop Simulator for over 500 hours.
Play Tabletop Simulator for over 1000 hours.