Here is the full list of all 42 SCP: Blackout achievements.
You've enjoyed the taste of fear and death, and you come back for more. You've died 10 times.
Used 25 pain pills
D-1742 escaped on a mild difficulty.
You've finally reached the secrets of Sublab-11.
He just transferred from Site-77, right?
You finally made it. Now what?
BOOM. Splat. Nice.
D-1742 escaped on the easiest difficulty. Congrats?
Used 20 batteries on your flashlight.
Just get it over quickly.
You touched the thing. Gross. Why?
You tried to help a fellow D-Class in need.
Used 5 pain pills.
Your first death. Not your last.
To be fair, you were quite nasty.
You saw all the people who made Blackout possible.
You're not having any of that mess.
Did you not see the signs?
You did, didn't you?
How very suspicious...
You found the first step on a mysterious journey.
A thank you for all the support you've all given.
You saw what you wanted, and you found a way.
Target eliminated. Brutally.
You just couldn't leave well enough alone, could you?
D-1742 escaped from a real nightmare. You earned it.
D-1742 escaped from an impossible situation. Must be an anomaly.
Death may stop your body in these timelines, but you'll keep dying in others to press forward. You've died 50 times.
Nothing can hold you back. You will continue on. You've died 100 times.
No amount of deaths will stop you from uncovering the secrets of Site-50. You've died 200 times.
You're basically certified on the machine now, right?
You've taken power control into your own hands.
Used 50 Batteries on your flashlight.
Used 200 batteries on your flashlight.
Used 500 batteries on your flashlight.
Used 100 pain pills.
Used 250 pain pills.
Activated all the valves in the level.
You found me. I really wish you would leave me alone, though.
Gain entry to lab B-103
Deal with it.
You've stumbled upon a warlock master in the middle of a powerful spell.