ALS'/DLF' : your daily dose of Arcade Life Style...inside the Dragon's Lair!
Folks leaving their cigarettes resting there while they played back in the day
A heat gun on low can be used to soften the plastic and then use a weight to flatten it whilst it cools.
The burn damage, I 've only cleaned mine and not attempted anything more than that. Eventually I may go with a repro, but I'm OK leaving it as battle damage from a life well lived :