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