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