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