diff --git a/NydusNetwork/GameClient.cs b/NydusNetwork/GameClient.cs
index 9d05a20..c6e2cda 100644
--- a/NydusNetwork/GameClient.cs
+++ b/NydusNetwork/GameClient.cs
@@ -33,7 +33,12 @@ public void Initialize(bool asHost) {
 
         public void LaunchClient(bool asHost) {
             _isHost = asHost;
-            Process.Start(new ProcessStartInfo { FileName = _settings.ExecutableClientPath(),Arguments = _settings.ToArguments(_isHost),WorkingDirectory = _settings.WorkingDirectory() });
+            Process.Start(
+                new ProcessStartInfo {
+                    FileName = _settings.ExecutableClientPath(),
+                    Arguments = _settings.ToArguments(_isHost),
+                    WorkingDirectory = _settings.WorkingDirectory(),
+                });
         }
         public bool ConnectToClient()
             => _connection.Connect(_settings.GetUri(_isHost));
diff --git a/NydusNetwork/Services/GameSettingsService.cs b/NydusNetwork/Services/GameSettingsService.cs
index be7f75a..984addb 100644
--- a/NydusNetwork/Services/GameSettingsService.cs
+++ b/NydusNetwork/Services/GameSettingsService.cs
@@ -64,7 +64,7 @@ public static Request CreateGameRequest(this GameSettings gs) {
                     PlayerSetup = { gs.Opponents,new PlayerSetup { Type = PlayerType.Participant,Race = gs.ParticipantRace } }
                 }
             };
-            if(File.Exists(gs.GameMap) || File.Exists($"{gs.FolderPath}\\Maps\\{gs.GameMap}"))
+            if (File.Exists(gs.GameMap) || File.Exists(Path.Combine(gs.FolderPath, "Maps", gs.GameMap)))
                 r.CreateGame.LocalMap = new LocalMap { MapPath = gs.GameMap };
             else
                 r.CreateGame.BattlenetMapName = gs.GameMap;
@@ -74,11 +74,11 @@ public static Request CreateGameRequest(this GameSettings gs) {
         public static Uri GetUri(this GameSettings gs,bool IsHost)
             => IsHost ? new Uri($"ws://{gs.ConnectionAddress}:{gs.ConnectionServerPort}/sc2api") : new Uri($"ws://{gs.ConnectionAddress}:{gs.ConnectionClientPort}/sc2api");
 
-        public static string WorkingDirectory(this GameSettings gs) => $"{gs.FolderPath}\\Support";
+        public static string WorkingDirectory(this GameSettings gs) => Path.Combine(gs.FolderPath, "Support");
 
         public static string ExecutableClientPath(this GameSettings gs) {
             if(System.Runtime.InteropServices.RuntimeInformation.IsOSPlatform(System.Runtime.InteropServices.OSPlatform.OSX))
-                return Directory.GetDirectories(gs.FolderPath + @"\Versions\",@"Base*")[0] + @"\SC2.app";
+                return Directory.GetDirectories(gs.FolderPath + @"/Versions/",@"Base*")[0] + @"/SC2.app/Contents/MacOS/SC2";
             else
                 return Directory.GetDirectories(gs.FolderPath + @"\Versions\",@"Base*")[0] + @"\SC2.exe";
         } 
diff --git a/SC2Abathur/Program.cs b/SC2Abathur/Program.cs
index 13661cf..9314370 100644
--- a/SC2Abathur/Program.cs
+++ b/SC2Abathur/Program.cs
@@ -38,8 +38,8 @@ class Program {
         /// <param name="args">First argument will be used as datapath, second as logpath</param>
         static void Main(string[] args) {
             Console.Title = $"Abathur Framework v{AbathurVersion} and NydusNetwork v{NydusNetworkVersion}";
-            var dataPath = args.Length > 0 ? args[0] : Directory.GetCurrentDirectory() + "\\data\\";
-            var logPath = args.Length > 1 ? args[0] : Directory.GetCurrentDirectory() + "\\log\\";
+            var dataPath = args.Length > 0 ? args[0] : Path.Combine(Directory.GetCurrentDirectory(), "data");
+            var logPath = args.Length > 1 ? args[0] : Path.Combine(Directory.GetCurrentDirectory(), "log");
             new Program().Run(dataPath, logPath);
         }
 
@@ -58,16 +58,16 @@ public void Run(string dataPath,string logPath = null) {
 
             // Check that the game settings file exist, or create it a default template.
             log?.LogMessage("Checking game settings file:");
-            FileService.ValidateOrCreateJsonFile(dataPath + "gamesettings.json",Defaults.GameSettings,log);
-            GameSettings gameSettings = FileService.ReadFromJson<GameSettings>(dataPath + "gamesettings.json",log);
+            FileService.ValidateOrCreateJsonFile(Path.Combine(dataPath, "gamesettings.json") ,Defaults.GameSettings,log);
+            GameSettings gameSettings = FileService.ReadFromJson<GameSettings>(Path.Combine(dataPath, "gamesettings.json"), log);
 
             // Load the Abathur setup file, this file is used to add/remove modules to the framework
             log?.LogMessage("Checking setup file:");
-            FileService.ValidateOrCreateJsonFile(dataPath + "setup.json",Defaults.AbathurSetup,log);
-            AbathurSetup abathurSetup = FileService.ReadFromJson<AbathurSetup>(dataPath + "setup.json",log);
+            FileService.ValidateOrCreateJsonFile(Path.Combine(dataPath, "setup.json"), Defaults.AbathurSetup,log);
+            AbathurSetup abathurSetup = FileService.ReadFromJson<AbathurSetup>(Path.Combine(dataPath, "setup.json"), log);
 
             // Load or create the 'essence file' - a file containing UnitTypeData, AbilityTypeData, BuffData, UpgradeData and manually coded tech-trees for each race.
-            var essence = EssenceService.LoadOrCreate(dataPath,log);
+            var essence = EssenceService.LoadOrCreate(dataPath,log,gameSettings);
 
             // If a log path have been specified, check the directory and change add a filelogger (writes to files)
             if(logPath != null) {
diff --git a/SC2Abathur/Services/EssenceService.cs b/SC2Abathur/Services/EssenceService.cs
index 33c7111..dfcbc79 100644
--- a/SC2Abathur/Services/EssenceService.cs
+++ b/SC2Abathur/Services/EssenceService.cs
@@ -2,6 +2,8 @@
 using Google.Protobuf;
 using NydusNetwork.API.Protocol;
 using NydusNetwork.Logging;
+using NydusNetwork.Model;
+using SC2Abathur.Settings;
 using System;
 using System.IO;
 
@@ -18,10 +20,10 @@ public class EssenceService {
         /// <param name="dataPath">Valid path for data directory used by Abathur</param>
         /// <param name="log">Optional log</param>
         /// <returns></returns>
-        public static Essence LoadOrCreate(string dataPath, ILogger log = null) {
+        public static Essence LoadOrCreate(string dataPath, ILogger log = null, GameSettings gs = null) {
             log?.LogMessage("Checking binary essence file:");
-            ValidateOrCreateBinaryFile(dataPath + "essence.data",() => FetchDataFromClient(log),log);
-            return Load(dataPath + "essence.data",log);
+            ValidateOrCreateBinaryFile(Path.Combine(dataPath, "essence.data"), gs ?? Defaults.GameSettings, log);
+            return Load(Path.Combine(dataPath, "essence.data"), log);
         }
 
         /// <summary>
@@ -45,15 +47,14 @@ public static Essence Load(string path,ILogger log = null) {
         /// <param name="path">Path to validate</param>
         /// <param name="content">Function to get content in case the file does not exist</param>
         /// <param name="log">Optional log</param>
-        private static void ValidateOrCreateBinaryFile<T>(string path,Func<T> content,ILogger log = null) where T : IMessage {
+        private static void ValidateOrCreateBinaryFile(string path, GameSettings gs, ILogger log = null) {
             try {
                 if(File.Exists(path)) {
                     log?.LogSuccess($"\tFOUND: {path}");
                 } else {
-                    var msg = content.Invoke();
-                    FileStream stream = File.Create(path);
+                    var msg = FetchDataFromClient(gs, log);
+                    using FileStream stream = File.Create(path);
                     msg.WriteTo(stream);
-                    stream.Close();
                     log?.LogWarning($"\tCREATED: {path}");
                 }
             } catch(Exception e) { log.LogError($"\tFAILED: {e.Message}"); }
@@ -64,9 +65,9 @@ private static void ValidateOrCreateBinaryFile<T>(string path,Func<T> content,IL
         /// </summary>
         /// <param name="log">Optional log</param>
         /// <returns></returns>
-        private static Essence FetchDataFromClient(ILogger log = null) {
+        private static Essence FetchDataFromClient(GameSettings gs, ILogger log = null) {
             var factory = new EssenceFactory(log);
-            return factory.FetchFromClient(Settings.Defaults.GameSettings);
+            return factory.FetchFromClient(gs);
         }
     }
 }
diff --git a/SC2Abathur/Settings/Defaults.cs b/SC2Abathur/Settings/Defaults.cs
index 585b1ac..f497c88 100644
--- a/SC2Abathur/Settings/Defaults.cs
+++ b/SC2Abathur/Settings/Defaults.cs
@@ -1,6 +1,4 @@
-using Abathur.Constants;
-using SC2Abathur.Settings;
-using NydusNetwork.API.Protocol;
+using NydusNetwork.API.Protocol;
 using NydusNetwork.Model;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -16,12 +14,22 @@ public static class Defaults {
         /// <summary>
         /// Used for setting up the modules in the Abathur framework.
         /// </summary>
-        public static AbathurSetup AbathurSetup => new AbathurSetup { IsParallelized = false, Modules = new List<string>{ "RandomDemo", "AutoHarvestGather", "AutoSupply" } };
+        public static AbathurSetup AbathurSetup => new AbathurSetup {
+            IsParallelized = false,
+            Modules = new List<string>{
+                "RandomDemo",
+                "AutoHarvestGather",
+                "AutoSupply"
+            }
+        };
+
         /// <summary>
         /// Stores game related settings used by the StarCraft II client.
         /// </summary>
         public static GameSettings GameSettings => new GameSettings {
-                FolderPath = @"C:\Program Files (x86)\StarCraft II",
+                FolderPath = 
+                    System.Runtime.InteropServices.RuntimeInformation.IsOSPlatform(System.Runtime.InteropServices.OSPlatform.OSX)
+                        ? @"/Applications/StarCraft II" : @"C:\Program Files (x86)\StarCraft II",
                 ConnectionAddress = IPAddress.Loopback.ToString(),
                 ConnectionServerPort = 8165,
                 ConnectionClientPort = 8170,