If you've braved the intense chill of the Ice Cream Cart in Grounded 2, then you might have stumbled upon either the Frostbitten Key or the locked chest itself that requires it. No matter which one ...
If you want to open the briefcase in Grounded 2, you need the briefcase code, a two-part set of numbers that pops the lid and lets you explore inside. There's not all that much to see, but there is ...