Here is the full list of all 27 Tabletop Simulator achievements. It takes around 200 hours to unlock all of the achievements on Windows.
Save 100 items to your Chest.
Change your color more than 50 times.
Create an 8 player “light show” with the line drawing tool.
Flip the table over 1000 times.
Play Tabletop Simulator for over 1000 hours.
Play Tabletop Simulator for over 500 hours.
Play Tabletop Simulator for over 200 hours.
Play Tabletop Simulator for over 100 hours.
Tint 1000 objects a different color.
Play Tabletop Simulator for over 50 hours.
Upload at least 3 legitimate Steam Workshop items.
Lock 5000 items over time.
Play a game with a full room of 8 players.
Spawn 10,000 poker chips!
Flip the table in an absolute fit of rage… 100 times.
Play a civilized game of Chess for 1 hour.
Have two RPG figurines attack one another. They must hit!
Play Tabletop Simulator for over 10 hours.
Play the game for 1 hour without flipping the table.
You tried to flip the table… and failed!
You spawned the developers’ special figurines!
Play a game in zero gravity.
You posted a message in global chat, hurray!
Complete the tutorial in under 30 seconds.
Use your personal color page in the notebook.
Play a game with someone on your friend's list
Complete the in-game tutorial.