NAME: 2-player maps have extra mobs
SEVERITY: 2.5 most likely. It does block progression, but is likely a lower priority than something that would interrupt play.
REPRODUCIBILITY: Always. Always, always, always.
DESCRIPTION: I can solo maps no problem, as can my two-player friend, but when maps spawn one type of mob, they spawn two, and subsequently we get twice as many mobs to kill as WELL as 10 fewer minutes to complete the difficulty level. Our last map spawned both twilight and lost mobs, and every two-player map we have played has consistently spawned two mob types. We