You want a (horror, technical manual, etc.). You have more context on what "U_M_P_A" stands for.
The monitor hummed, bathing Elias’s face in a sickly green glow. On the terminal, the cursor blinked next to the only file left in the corrupted drive: . U_M_P_A_7x08
"To save us," the hologram pulsed red, "you must delete the file. If you open it, we stay trapped in the buffer. If you delete it, the energy release will jumpstart our reality—but it will take your station with it." The cursor changed. or [ DELETE ] You want a (horror, technical manual, etc
A holographic projection shimmered into existence in the center of the cramped pod. It showed a city, but the geometry was wrong. The buildings didn't rise; they hung from the clouds like frozen lightning. On the terminal, the cursor blinked next to
The screen didn’t show text. Instead, it began to bleed colors—deep violets and static whites. Then, the audio kicked in. It wasn’t a recording of words, but of atmosphere . The sound of wind rushing through a canyon made of glass, punctuated by the rhythmic thump-hiss of a life-support bellows.
This is a (like an obscure show or creepypasta).
Since it isn't a known work, I have written a story based on the "vibe" of that code—something sci-fi, industrial, and a bit mysterious.