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