All The Questions About ‘Fortnite’ You Were Too Embarrassed To Ask

It's OK if you're confused about this popular new game.

What might it take to unite people of all ages, backgrounds and interests toward a common goal? Easy: An impending ecological crisis threatening the survival of humanity.

That’s one appeal of the multiplayer video game “Fortnite,” an unlikely cultural phenomenon that is sweeping the globe while amassing a minor fortune for its creators.

If you’re not among the 125 million people playing “Fortnite” and are feeling left behind, we break down everything you need to know.

Let’s start with the basics:

1. What The Heck Is This Game?

“Fortnite” is essentially a crossover between “The Hunger Games” (a post-apocalypse battle) and “Minecraft” (a creative sandbox where players can build anything they like). You can play it on Xbox, PlayStation, Windows and Mac platforms.

There are two versions: “Fortnite: Save the World,” which has players banding together to fight off zombie-like monsters who drop from storm clouds, and its free (and more popular) spinoff, “Fortnite Battle Royale,” which pits up to 100 players against each other in a frenzied fight for survival. Last one standing wins.