initial implementation

Program.vb

@@ -1,7 +1,39 @@
 Imports System
+Imports System.IO
+Imports System.Net
+Imports System.Net.Http
 
 Module Program
-    Sub Main(args As String())
-        Console.WriteLine("Hello World!")
+    Private master As String = "https://master.alterware.dev"
+
+    Sub download_and_run(game As String)
+        Dim filename As String = game & ".exe"
+        Dim remote_path As String = If(game = "iw4-sp", "/iw4/", "/iw5/")
+        Console.WriteLine("Downloading " & game & "...")
+        Using wc As New WebClient
+            wc.DownloadFile(master & remote_path & filename, filename)
+        End Using
+        Console.WriteLine("Starting " & game)
+        Process.Start(filename)
+        End
     End Sub
-End Module
+
+    Sub Main(args As String())
+        Dim game As String
+        Try
+            game = args(0)
+        Catch ex As Exception
+            If File.Exists("iw4sp.exe") Or File.Exists("iw4mp.exe") Then
+                game = "iw4-sp"
+            ElseIf File.Exists("iw5sp.exe") Or File.Exists("iw5mp.exe") Or File.Exists("iw5mp_server.exe") Then
+                game = "iw5-mod"
+            Else
+                Console.WriteLine("No game specified nor found in local directory")
+                Console.ReadLine()
+                Return
+            End If
+        End Try
+
+        download_and_run(game)
+    End Sub
+End Module