Left 4 dead 2 update history July 8, 2019 16 32 64 128 Left 4 dead 2 history price Left 4 dead 2 sale history Left 4 dead 2 price history steam Left 4 dead 2 history Left 4 dead 2 version history Left 4 dead 2 new update 2023 Left 4 dead 2 patch Left 4 dead new update Left 4 dead 2 problem