Here is the full list of all 23 Lightmatter achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
The human body can survive 21 days without food.
Do you need a break?
Big Brother is watching you.
I heard that tool is quite a hit.
You can have your cake AND eat it!
Hey, Who Turned Out The Lights?
1095.3 burgers were consumed during this production.
Faster than light.
Hey, don't kick that!
You crossed paths with that four-legged fluff ball.
Quantum superposition at the push of a button.
Didn't you sign the NDA?
You saw it through to the very end.
Someone seems to be addicted.
I like cats.
Be careful with those photon connectors!
Sometimes it's good to vent a bit.
Thank you.
Remember to sign it once you get out.
Where are you going?
You pushed the button too hard.
Saving humanity.
Take good care of that lamp!