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