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