Assertion: doom | /r/HasProperty | extensive phenomenon
Facets:
value: fairly
type: DEGREE
Source sentences:
text: Doom is a fairly extensive phenomenon; there is a lot that can be done, from just playing the game to taking part in Doom tournaments and creating brand new levels for yourself and other people to play (many add-on levels that have been made are of exceptional quality), so don't feel too daunted by the shear volume of information that's available.