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