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