Notes

local DS = game:GetService("DataStoreService")-- Creating DataStores To Save Your Data
local LevelSave = DS:GetDataStore("LevelSaveSystem") --
local XPSave = DS:GetDataStore("XPSaveSystem") --
local GoldSave = DS:GetDataStore("GoldSaveSystem") --

game.Players.PlayerAdded:Connect(function(Player) -- When A Player Joins
local Folder = Instance.new("Folder",Player) -- New Folder Inside Player Called "leaderstats"
Folder.Name = "leaderstats" --

local Level = Instance.new("DoubleConstrainedValue",Folder)-- Making A Value Inside The Player Named "Level"
Level.Name = "Level" --
Level.MaxValue = 100 -- Max Level
Level.MinValue = 1 --
Level.Value = LevelSave:GetAsync(Player.UserId) or 1 --
Level.Changed:Connect(function() -- If The Player Levels Up, This Saves Their Level
LevelSave:SetAsync(Player.UserId, Level.Value) --
end) --

local XP = Instance.new("IntValue",Folder) -- Making A Value Inside The Player Named "XP"
XP.Name = "XP" --
XP.Value = XPSave:GetAsync(Player.UserId) or 0 --
XP.Changed:Connect(function() -- Saves Their XP If They Earn Any
XPSave:SetAsync(Player.UserId, XP.Value) --
end) --

local Gold = Instance.new("IntValue",Folder) -- Making A Value Inside The Player Named "Gold"
Gold.Name = "Gold" --
Gold.Value = GoldSave:GetAsync(Player.UserId) or 0 --
Gold.Changed:Connect(function() -- Saves Their Gold If They Earn Any
GoldSave:SetAsync(Player.UserId, Gold.Value) --
end) --

local function LevelUP() -- Level Up Function
if Level.Value == Level.MaxValue then return end -- If the Player Is Already At Max Level Then It Will Ignore
if XP.Value >= Level.Value*10 then -- If The Player Gains Enough XP To Level Up Then (Change 10 to how much you want the XP needed to go up by)

local Humanoid = Player.Character:WaitForChild("Humanoid")-- Getting The Players Humanoid
-- What Happens When The Player Levels Up
XP.Value = XP.Value - Level.Value*10 -- Making The XP Rollover To The Next Level
Level.Value = Level.Value + 1 -- Making The Player Actually Gain A Level
Humanoid.MaxHealth = Humanoid.MaxHealth + 10 -- Giving the Player Health
Humanoid.Health = Humanoid.MaxHealth -- Healing The Player
end
end
Level.Changed:Connect(function()wait() LevelUP()end)-- If The Level Changes It Will Call The LevelUp Function
XP.Changed:Connect(function()wait() LevelUP()end) -- If The XP Changes It Will Call The LevelUp Function
end)

game.Players.PlayerRemoving:Connect(function(Player) -- When A Player Leaves
LevelSave:SetAsync(Player.UserId, Player.leaderstats.Level.Value)-- Saving Their Level Value
XPSave:SetAsync(Player.UserId, Player.leaderstats.XP.Value) -- Saving Their XP Value
GoldSave:SetAsync(Player.UserId, Player.leaderstats.Gold.Value) -- Saving Their Gold Value
end) --