Tried Mayhem mode under Social. I began at level 16, one player was level 50, left +5 levels, 3mil credits, 2 uniques, and a selection of new firearms to choose from.
It was nuts. Constant running, gunning, dying, and reviving team mates. My amateur suggestion/tips is : bring a Full Auto weapon , Full Auto Fire / cold / acid worked well to me. I had a SMG Dahl FAuto Fire element in my inventory I used 95% through the event.
At the end last mob was glitched under the ground and the creator (the level 50) pulled the plug cancelling the Mayhem event.
When you die you spawn back up top, you can load up on ammunition at the vending machine. The Mayhem event took about 40-50 minutes FYI. Not something to start and finish, at least at this point in the player community, in “15” minutes.
I was a little nervous about joining a social game esp. with my level 12 - 15 weapons but … no one complained as far as I can tell. I wasn’t running with a Head Set so maybe the other 3 people were cusing me out lol but it all went smooth.
OH, I bought ALOT of SDU’s when the event ended. lol 3 million credits normal play through on a lvl 16 (now 22) character.