I’m going to assume Boom is a Doom knockoff in the Nikke world? Also, pregnancy test? What can of nonsense did they put in that test that would even allow Doom to be displayed on screen?! A LCD screen that shows fireworks and then notifies the government for every positive reading?

Yes, Boom is Nikke's version of Doom and Elegg works hard to spread the gospel of said game by installing it on anything it can be installed on. Including Neon's glasses and the Commander's tablet. She's also installed the Boom game sfx in the Commander's shower...

Edit: Also a reminder, Doom seemingly can be ported to anything, including recently a PDF (Ars Technica web link).

Doom on a pregnancy test has already been done before.

GreyOmega said:

Yes, Boom is Nikke's version of Doom and Elegg works hard to spread the gospel of said game by installing it on anything it can be installed on. Including Neon's glasses and the Commander's tablet. She's also installed the Boom game sfx in the Commander's shower...

Edit: Also a reminder, Doom seemingly can be ported to anything, including recently a PDF (Ars Technica web link).

She also wields the Doom's movie version of the BFG.