Weekend Survivor No. 161 - 40'51'' (Co-op)
Thanks to my partner, Esquerda_0506 !
Might have been able to get sub 40 if I swapped Hurler for Magnum Master. An extra 44 rounds instead of 12 could have been used on floor 28 (3-6) or floor 29 (5-3). Still a decent time.