I was playing against the nightmare AI when my kid started crying in the other room. I hit "menu" but forgot this doesn't pause the game. I went and took care of my kid, then came back a few minutes later.
When I went to my kid's room, I was level 1, standing in the center of the map, no minions or creeps or anything to defend me.
When I came back, I was level 4, standing in the center of the map, no minions or creeps or anything to defend me, and I didn't see the enemy DG for... about thirty seconds I'd say.
