@jplebreton Snake... Tetris? Solitaire? Original Counter-Strike or DotA... Minecraft before Microsoft got a hold of it
Despite the initial payment, the mod scenes in Warcraft 3 and Half-Life 1 and 2 did keep a lot of people busy for years
Probably Chess or Go.
@ephesossh
Blaseball was the best. Still miss it.
@jplebreton the economic damage from multiple intelligence leaks by players of World of Tanks is likely in the billions, and also has the effect of leveling the military playing field in the info space. Given mil personnel of many nations seem to be playing it and leaking for clout still, suggests it's a time and money sink for them, bleeding defense funds from dozens of governments at once.
Despite the micro transactions supporting capitalism, the net damage probably puts it at at least -.5