10 Most Difficult Open World Games That Will Push You To Your Limit

Rust

From the very outset, Rust is an unapologetically brutal experience. You start with nothing and must beat things down with a rock to survive. A stray bear is as likely to kill you as another player who feigns friendship, never mind playing on servers where others have already stockpiled more than enough resources and weaponry. Playing in a group is advised to have a modicum of a chance at survival, and you could still lose everything from a few unlucky raids.