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