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