Well there is a plausible explantion for the spawning in System Shock 2, another example of plausible is Half-Life.
Monster living in the wall, waitig for you to walk up to a desk to trigger the wall to disappear is childishly amateur
This comment was edited on Aug 7, 10:57.
Scorpio Slasher: ... What about you boy, what do hate?
Marcus: ... Bullies. Tiny d*ck egotists who hurt people for no reason, make people lock their doors at night. People who make general existence worse, people like you.