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