I played my own game around 100 hours, I found the money cost too fast due to buy food and repair during working in a mission. Sometimes player survive 7 days, but cost all money, then fail.
So decreased the price:
Convenience Store $1000 -> $600
Drivethrough $5000 -> $2000
Fruit stand $1000 -> $200
Market $10000 -> $5000
Small Repair shop $ 10000 -> $ 5000
I also fixed the problems when NPC climbing hills
About the multiplayer, I need much more time to do it, there are much more problems
The map in new mode would like this but not final，5km*5km（map in PUBG is 8km*8km）