Full Gameplay Walkthrough...

Complete the indicated task to unlock the achievement.

Achievement	How to unlock
A Lunar Challenge	Complete a mission in a special sector.
Another Pragmata	Meet the trapped girl.
Awakening	Fix up Diana.
Blackout!	Complete a Cabin Stamp Board.
Can I Borrow That?	Confuse a certain enemy and borrow its shield.
Can't Stop, Won't Stop	Print all obtainable weapons, hacking nodes, and abilities during the main story.
Clean Up on Aisle Three	Cleanse three or more enemies at the same time.
Courage in Desperation	Repel the LunaDigger while progressing through the Lunum Mines.
Cradle Surveyor	Reach 100% sector progress in a sector.
Entrusted Memory	Get the stop code.
Escape Artist	Unlock every escape hatch.
For Me?	Give an REM as a present.
IT'S OVER 6000!	Deal 6000 gunshot damage in one second.
Lunar Supremacy	Complete the game on Lunatic difficulty.
Master of the Simulator	Complete the main objective in every Training Sim.
Mini-Hunter Supreme	Shoot every Mini Cabin.
Mission Unveiled	Make it to Nexus Tower.
Mister Simulator	Complete the main objective in a Training Sim.
Our Promise	Complete the game on any difficulty.
Peekaboo	Win at hide-and-seek.
Power Trip	Restore power.
Red-Zoned and Loving It	Secure a Red Zone.
Rendezvous	Make it to the Shelter.
Replicating Extraordinaire!	Complete an REM series.
Round 'Em Up	Defeat three enemies at the same time with the Lim Recycler.
Sentinel Breach	Take down the Sentinel.
Small Talk	Talk to Diana in the Shelter.
Thanks for Everything!	Receive a picture as a present.
The Purr-fect Guide	Reach the Comms Tower.
The Right Man for the Job	Complete Unknown Signal.
Top-Shelf Item	Upgrade a weapon using Pure Lunum.
Wall? What Wall?	Find a Holo-Wall.
Well Spotted!	Shoot a Mini Cabin.
Who Needs Guns!?	Deal 3000 hacking damage in a single hack.
You're Not Getting Away That Easy	Defeat a Sweeper bot.