Score can underflow
Not a recent discovery, but one that I just remembered to post about. If you use A_AwardScore
to remove score from the player, it can underflow to the max amount if you have less than what it reduces, resulting in you reverting to 1 life and having near max score. This bug caused two types of monitors to get out of my Monitor Pack "S" release, which may be self-explanatory going off the described issue.
Example (objects only, no map): RESOURCE_NegativeScore.pk3