Drunk programming isn't necessarily a good idea

GCMM/MainForm.cs

@@ -240,7 +240,7 @@ You may also want to verify the game's files by right clicking the game in Steam
         private async void refreshbtn_Click(object sender, EventArgs e)
         {
             CheckIfPatched(); //Set from placeholder
-            lastGameUpdateTime = GetLastGameUpdateTime();
+            lastGameUpdateTime = await GetLastGameUpdateTime();
             var mods = GetInstalledMods();
             await GetAvailableMods();
             CheckUninstalledMods(mods);

GCMM/MainUtils.cs

@@ -161,25 +161,17 @@ namespace GCMM
             return false;
         }
 
-        public DateTime GetLastGameUpdateTime()
+        public async Task<DateTime> GetLastGameUpdateTime()
         {
-            if (GetExe() == null)
-                return default;
-            foreach (var line in File.ReadAllLines(GamePath(@"\..\..\appmanifest_1078000.acf")))
+            using (var client = GetClient())
             {
-                var regex = new Regex("\\t\"LastUpdated\"\\t\\t\"(\\d+)\"");
-                var match = regex.Match(line);
+                string html = await client.DownloadStringTaskAsync("https://steamdb.info/app/1078000/depots/?branch=public");
+                var regex = new Regex("<i>timeupdated:</i>[^<]*<b>([^<]*)</b>");
+                var match = regex.Match(html);
                 if (!match.Success)
-                    continue;
-                string updated = match.Groups[1].Value;
-                if (string.IsNullOrWhiteSpace(updated))
                     return default;
-                var updatedTime = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc);
-                updatedTime = updatedTime.AddSeconds(double.Parse(updated)).ToLocalTime();
-                return updatedTime;
-
+                return new DateTime(1970, 1, 1).AddSeconds(long.Parse(match.Groups[1].Value));
             }
-            return default;
         }
     }
 }