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