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