The Epic Games vs. Apple court case has incidentally let loose details about an apparent open-world sandbox mode that will eventually launch in Fortnite. Over the course of the last several days, a plethora of confidential documents related to the Epic and Apple lawsuit have found their way online.

These rampant leaks continue to unleash inside baseball details that would've otherwise remained tightly under wraps. For instance, the public is now well aware of how much Epic Games spends on the free games it often gives Epic Games Store users. The publisher paid Subnautica developers $1.4 million; meanwhile, Overcooked and This War of Mine creators only received $225,000 and $250,000, respectively. Leaked court documents also indicate that Sony is the only platform-holder who charges developers for crossplay functionality on PlayStation systems. Previously unreleased information about Epic's internal plans for the future are entering the spotlight, too.

Related: Fortnite's Apple vs. Epic Court Case Has Officially Begun

Earlier this week, Fortnite news-centric Twitter account HYPEX shared leaked exhibit documents from the Epic and Apple suit that point to the existence of an "Open-World Simulation Sandbox Mode." HYPEX unveiled a look at the map featured in the new files back in April, which included images of props for a log cabin. The interior of that very same cabin appears in the open-world leak. Interestingly, the court files boast a screenshot with tags that reference weapons such as an "Assault Rifle," "Makeshift Bow," and "Primary Bow." Further details remain under lock and key for the time being.

Given that so little is known about the open-world sandbox mode, even how it will fit into the overall Fortnite experience is a mystery. Might it be tacked on to Save the World, for instance? We'll have to wait and see. The dearth of information hasn't kept fans from sharing theories of their own, however. Notably, some players are of the mind that an open-world mode would essentially provide Minecraft-style crafting and survival gameplay options.

Confidential court files unmasked information about another major Epic property earlier this week. Apparently, the crew at Psyonix is hard at work on a "next-generation client" for Rocket League on PlayStation 5 and Xbox Series X|S consoles. It's currently anyone's guess as to when Epic and Psyonix will officially announce these versions of the hit title.

Next: Fortnite: How to Find Out How Much Your Locker Cost

Fortnite is available to play on Nintendo Switch, PC, PS4, PS5, Xbox One, Xbox Series X|S, and Android.

Source: HYPEX/Twitter