Roblox Datastore

--LeaderBoard Script:

game.Players.PlayerAdded:connect(function(p)
	local stats = Instance.new("IntValue")
	stats.Name = "leaderstats"
	stats.Parent = p

	local money = Instance.new("IntValue")
	money.Name = "Money"
	money.Value = 10
	money.Parent = stats
end)


--Datastore Script:

local AUTO_SAVE = false			-- Make true to enable auto saving
local TIME_BETWEEN_SAVES = 60	-- In seconds (WARNING): Do not put this lower than 60 seconds
local PRINT_OUTPUT = false		-- Will print saves and loads in the output
local SAFE_SAVE = false			-- Upon server shutdown, holds server open to save all data
---------------------------------

local players = game:GetService("Players")
local dataStoreService = game:GetService("DataStoreService")
local leaderboardData = dataStoreService:GetDataStore("LeaderStats")

local function Print(message)
	if PRINT_OUTPUT then print(message) end
end

local function SaveData(player)
	if player.userId < 0 then return end
	player:WaitForChild("leaderstats")
	wait()
	local leaderstats = {}
	for i, stat in pairs(player.leaderstats:GetChildren()) do
		table.insert(leaderstats, {stat.Name, stat.Value})
	end
	leaderboardData:SetAsync(player.userId, leaderstats)
	Print("Saved "..player.Name.."'s data")
end

local function LoadData(player)
	if player.userId < 0 then return end
	player:WaitForChild("leaderstats")
	wait()
	local leaderboardStats = leaderboardData:GetAsync(player.userId)
	for i, stat in pairs(leaderboardStats) do
		local currentStat = player.leaderstats:FindFirstChild(stat[1])
		if not currentStat then return end
		currentStat.Value = stat[2]
	end
	Print("Loaded "..player.Name.."'s data")
end

players.PlayerAdded:connect(LoadData)
players.PlayerRemoving:connect(SaveData)

if SAFE_SAVE then
	game.OnClose = function()
		for i, player in pairs(players:GetChildren()) do
			SaveData(player)
		end
		wait(1)
	end
end

while AUTO_SAVE do
	wait(TIME_BETWEEN_SAVES)
	for i, player in pairs(players:GetChildren()) do
		SaveData(player)
	end
end