Not necessarily, but nothing in the first episode gave me confidence that they will be answered. I could see one or two being addressed, like the battery issue and who else is running this game, for example, but for most there's no way.
And really, I can't get over every single person doing exactly what the crazy mass-murderer says. That's really the most telling one of the bunch. I mean, I'm sometimes wary of using items with dubious descriptions in games that AREN'T trying to kill me.
I don't see why they wouldn't open the gift. I mean... it's not like you open the gift and it's like "SURPRISE YOU'RE DEAD" or anything like that. They're already trapped. What's the worse that can happen from opening a gift from a person who just trapped you in there? LOL
I'm being sarcastic if you couldn't tell