borefactor simply means boring games or being bored at a new level. Borefactor games took a new level in the ps3, xbox 360 generation of online games and the term are often used in reviews.
The origin of the term gave rise in the early 90-s via PC gaming in particular;eg BORING...
Some borefactor games include simcity, myst and other mouse clicking or mouse n' click rpgs. These are def. boring games.