Within the confines of the battle royale genre’s defining rules, in which up to 100 players rush to find the best gear and fight to be the last one standing at the center of a shrinking circle, there is a ton of room for variation. Among others, PUBG offers a more realistic and hardcore interpretation while Fortnite cartoonishly lets you build structures instantly and H1Z1 innovated with an exhilarating car combat game mode.