Here is the full list of all 27 Tabletop Simulator achievements. It takes around 200 hours to unlock all of the achievements on Windows.
Save 100 items to your Chest.
Lock 5000 items over time.
Flip the table over 1000 times.
Play Tabletop Simulator for over 1000 hours.
Complete the tutorial in under 30 seconds.
Play Tabletop Simulator for over 500 hours.
You tried to flip the table… and failed!
Upload at least 3 legitimate Steam Workshop items.
Play Tabletop Simulator for over 200 hours.
Play Tabletop Simulator for over 100 hours.
Play Tabletop Simulator for over 50 hours.
Complete the in-game tutorial.
Tint 1000 objects a different color.
Play Tabletop Simulator for over 10 hours.
Change your color more than 50 times.
Spawn 10,000 poker chips!
Play the game for 1 hour without flipping the table.
You spawned the developers’ special figurines!
Play a game in zero gravity.
Have two RPG figurines attack one another. They must hit!
Use your personal color page in the notebook.
Play a civilized game of Chess for 1 hour.
You posted a message in global chat, hurray!
Flip the table in an absolute fit of rage… 100 times.
Create an 8 player “light show” with the line drawing tool.
Play a game with a full room of 8 players.
Play a game with someone on your friend's list