Here is the full list of all 27 Tabletop Simulator achievements. It takes around 200 hours to unlock all of the achievements on Windows.
Play Tabletop Simulator for over 1000 hours.
Create an 8 player “light show” with the line drawing tool.
Play Tabletop Simulator for over 500 hours.
Flip the table over 1000 times.
Play Tabletop Simulator for over 200 hours.
Save 100 items to your Chest.
Spawn 10,000 poker chips!
Lock 5000 items over time.
Tint 1000 objects a different color.
Flip the table in an absolute fit of rage… 100 times.
You spawned the developers’ special figurines!
Play a game with a full room of 8 players.
Play Tabletop Simulator for over 100 hours.
Play Tabletop Simulator for over 50 hours.
Change your color more than 50 times.
You tried to flip the table… and failed!
Play a game with someone on your friend's list
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.
Complete the tutorial in under 30 seconds.
Play a game in zero gravity.
Use your personal color page in the notebook.
You posted a message in global chat, hurray!
Have two RPG figurines attack one another. They must hit!
Complete the in-game tutorial.
Upload at least 3 legitimate Steam Workshop items.