New Wins and Rounds, Coins DataStore

local TeleportService = game:GetService("TeleportService")
local WinsDataStore = game:GetService("DataStoreService"):GetDataStore("Wins")
local RoundsDataStore = game:GetService("DataStoreService"):GetDataStore("Rounds")
local coinsDataStore = game:GetService("DataStoreService"):GetDataStore("Coins")

game.Players.PlayerAdded:Connect(function(player)
    local previousData = WinsDataStore:GetAsync(player.UserId) -- Returns a number value.
    local previousData2 = RoundsDataStore:GetAsync(player.UserId)
    local previousData3 = coinsDataStore:GetAsync(player.UserId)

    local leaderstats = Instance.new("Folder", player)
    leaderstats.Name = "leaderstats"

    local Wins
    local Rounds
    local Coins

    if previousData ~= nil then
        Wins = previousData
    else
        Wins = 0
        WinsDataStore:SetAsync(player.UserId, 0)
    end

    local WinsValue = Instance.new("NumberValue", leaderstats)
    WinsValue.Name = "Wins"
    WinsValue.Value = Wins

    if previousData2 ~= nil then
        Rounds = previousData2
    else
        Rounds = 0
        RoundsDataStore:SetAsync(player.UserId, 0)
    end

    local RoundsValue = Instance.new("NumberValue", leaderstats)
    RoundsValue.Name = "Rounds"
    RoundsValue.Value = Rounds

    if previousData3 ~= nil then
        Coins = previousData3
    else
        Coins = 0
        coinsDataStore:SetAsync(player.UserId, 0)
    end

    local coins_Value = Instance.new("NumberValue", player)
    coins_Value.Name = "Coins"
    coins_Value.Value = Coins

end)

game:BindToClose(function() -- Runs whenver the server is about to shut down/stop.
    print("STOPPED!")

    for i,player in pairs(game.Players:GetPlayers()) do
        local value = player.leaderstats.Wins.Value
        local value2 = player.leaderstats.Rounds.Value
        local value3 = player.Coins.Value

        WinsDataStore:SetAsync(player.UserId, value)
        RoundsDataStore:SetAsync(player.UserId, value2)
        coinsDataStore:SetAsync(player.UserId, value3)
        print("Saved data for "..player.Name)
    end
end)

game.Players.PlayerRemoving:Connect(function(player)
    local value = player.leaderstats.Wins.Value
    local value2 = player.leaderstats.Rounds.Value
    local value3 = player.Coins.Value

    if value ~= nil and value2 ~= nil and value3 ~= nil then
        print("Found data to save for "..player.Name.."!")
        WinsDataStore:SetAsync(player.UserId, value)
        RoundsDataStore:SetAsync(player.UserId, value2)
        coinsDataStore:SetAsync(player.UserId, value3)
        print("Saved data for "..player.Name)
    else
        print("Did not manage to find data to save for "..player.Name.."!")
    end
end)