Here is the full list of all 34 LUNARK achievements.
None of the guards spotted you.
Impressive! You accomplished everything in LUNARK!
The king of basketball! All you need now is… a ball.
It took some time, but in the end you're a great dancer!
You found secret location #11!
You found secret location #10!
You found secret location #8!
You found secret location #6!
You maxed out your gun specifications.
You found secret location #5!
You found secret location #4!
You maxed out your number of hearts.
You found secret location #3!
You found secret location #1!
Congratulations! You finished the game!
You've read all of the villain's diaries.
You petted all the doggos!
That was a hard place to reach.
You brought hope to a nice couple.
The Zirneklis Queen is now definitely dead.
You solved the puzzle and got a map.
You destroyed the Swordroid gang.
You found secret location #9!
Bring Hugg 3 $hells and you’ll get a heart!
You found secret location #7!
Nothing’s more relaxing than a gentle purr.
You found and helped Smockey!
You upgraded your weapon!
You recovered a strange artifact.
You defeated the Zirneklis Queen (basically a giant spider).
You found secret location #2!
Fall from two levels above without grabbing anything and you won't be getting up.
You've literally hit a wall.
No droids were harmed during this tutorial.