for i, v in pairs(game.Players:GetChildren()) do
local BadgeId = 2124967091
game:GetService("BadgeService"):AwardBadge(v.UserId, BadgeId)
end

-- or --

for i, v in pairs(game.Players:GetChildren()) do
game:GetService("BadgeService"):AwardBadge(v.UserId, 0)
end