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