Launching its beta in 2015, Overwatch looks a bit like Blizzard’s more sci-fi/fantasy-inspired take on Team Fortress 2 with two teams of six duking it out. Blizzard described the game’s premise with the following passage: “In a time of global crisis, an international task force of soldiers, scientists, adventurers, and oddities known as Overwatch had come together to restore peace to a war-torn world. After many years, the group’s influence waned, and it was eventually disbanded. Overwatch might be gone now . . . but the world still needs heroes.” Overwatch lets players play as a diverse cast of characters including an armoured gorilla, a spiky-haired teleporting British lass, a wall-climbing ninja, a cybernetic angel, a viking mechanic, a lithe grappling hook...