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.
Quantum superposition at the push of a button.
I heard that tool is quite a hit.
You can have your cake AND eat it!
Hey, Who Turned Out The Lights?
Faster than light.
Sometimes it's good to vent a bit.
Didn't you sign the NDA?
Big Brother is watching you.
1095.3 burgers were consumed during this production.
Someone seems to be addicted.
You saw it through to the very end.
I like cats.
Do you need a break?
Hey, don't kick that!
You crossed paths with that four-legged fluff ball.
Be careful with those photon connectors!
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!