diff --git a/ArchiSteamFarm/Bot.cs b/ArchiSteamFarm/Bot.cs
index bfac09c11..8276ca3fa 100755
--- a/ArchiSteamFarm/Bot.cs
+++ b/ArchiSteamFarm/Bot.cs
@@ -305,6 +305,48 @@ namespace ArchiSteamFarm {
 			}
 		}
 
+		internal async Task<HashSet<uint>> GetUnreleasedAppIDs(HashSet<uint> appIDs) {
+			if ((appIDs == null) || (appIDs.Count == 0)) {
+				ArchiLogger.LogNullError(nameof(appIDs));
+				return null;
+			}
+
+			AsyncJobMultiple<SteamApps.PICSProductInfoCallback>.ResultSet productInfo;
+
+			try {
+				productInfo = await SteamApps.PICSGetProductInfo(appIDs, Enumerable.Empty<uint>());
+			} catch (Exception e) {
+				ArchiLogger.LogGenericException(e);
+				return null;
+			}
+
+			HashSet<uint> result = new HashSet<uint>();
+			foreach (KeyValuePair<uint, SteamApps.PICSProductInfoCallback.PICSProductInfo> app in productInfo.Results.SelectMany(productResult => productResult.Apps)) {
+				if (!appIDs.Contains(app.Key)) {
+					continue;
+				}
+
+				string releaseState = app.Value.KeyValues["common"]["ReleaseState"].Value;
+				if (string.IsNullOrEmpty(releaseState)) {
+					continue;
+				}
+
+				switch (releaseState) {
+					case "released":
+						break;
+					case "prerelease":
+					case "preloadonly":
+						result.Add(app.Key);
+						break;
+					default:
+						ArchiLogger.LogGenericWarning(string.Format(Strings.WarningUnknownValuePleaseReport, nameof(releaseState), releaseState));
+						break;
+				}
+			}
+
+			return result;
+		}
+
 		internal static async Task InitializeCMs(uint cellID, IServerListProvider serverListProvider) {
 			if (serverListProvider == null) {
 				Program.ArchiLogger.LogNullError(nameof(serverListProvider));
diff --git a/ArchiSteamFarm/CardsFarmer.cs b/ArchiSteamFarm/CardsFarmer.cs
index 685896408..2c3f51db4 100755
--- a/ArchiSteamFarm/CardsFarmer.cs
+++ b/ArchiSteamFarm/CardsFarmer.cs
@@ -178,6 +178,20 @@ namespace ArchiSteamFarm {
 					return;
 				}
 
+				// Remove from our list all games that were not released yet
+				HashSet<uint> appIDs = new HashSet<uint>(GamesToFarm.Select(game => game.AppID));
+
+				HashSet<uint> unreleasedAppIDs = await Bot.GetUnreleasedAppIDs(appIDs).ConfigureAwait(false);
+				if ((unreleasedAppIDs != null) && (unreleasedAppIDs.Count > 0)) {
+					if (GamesToFarm.RemoveWhere(game => unreleasedAppIDs.Contains(game.AppID)) > 0) {
+						if (GamesToFarm.Count == 0) {
+							Bot.ArchiLogger.LogGenericInfo(Strings.NothingToIdle);
+							await Bot.OnFarmingFinished(false).ConfigureAwait(false);
+							return;
+						}
+					}
+				}
+
 				Bot.ArchiLogger.LogGenericInfo(string.Format(Strings.GamesToIdle, GamesToFarm.Count, GamesToFarm.Sum(game => game.CardsRemaining), TimeRemaining.ToHumanReadable()));
 
 				// This is the last moment for final check if we can farm
diff --git a/ArchiSteamFarm/ConcurrentHashSet.cs b/ArchiSteamFarm/ConcurrentHashSet.cs
index 0a65026a9..a6ec3d626 100644
--- a/ArchiSteamFarm/ConcurrentHashSet.cs
+++ b/ArchiSteamFarm/ConcurrentHashSet.cs
@@ -114,6 +114,16 @@ namespace ArchiSteamFarm {
 			}
 		}
 
+		internal int RemoveWhere(Predicate<T> match) {
+			Lock.EnterWriteLock();
+
+			try {
+				return HashSet.RemoveWhere(match);
+			} finally {
+				Lock.ExitWriteLock();
+			}
+		}
+
 		internal bool ReplaceIfNeededWith(ICollection<T> items) {
 			Lock.EnterUpgradeableReadLock();
 
diff --git a/ArchiSteamFarm/Localization/Strings.Designer.cs b/ArchiSteamFarm/Localization/Strings.Designer.cs
index 73cdd912b..7ea88f345 100644
--- a/ArchiSteamFarm/Localization/Strings.Designer.cs
+++ b/ArchiSteamFarm/Localization/Strings.Designer.cs
@@ -1413,15 +1413,6 @@ namespace ArchiSteamFarm.Localization {
             }
         }
         
-        /// <summary>
-        ///   Looks up a localized string similar to Received unknown confirmation type, please report this: {0}.
-        /// </summary>
-        internal static string WarningMobileAuthenticatorUnknownConfirmationType {
-            get {
-                return ResourceManager.GetString("WarningMobileAuthenticatorUnknownConfirmationType", resourceCulture);
-            }
-        }
-        
         /// <summary>
         ///   Looks up a localized string similar to Please review our privacy policy section on the wiki if you&apos;re concerned about what ASF is in fact doing!.
         /// </summary>
@@ -1458,6 +1449,15 @@ namespace ArchiSteamFarm.Localization {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Received unknown value for {0}, please report this: {1}.
+        /// </summary>
+        internal static string WarningUnknownValuePleaseReport {
+            get {
+                return ResourceManager.GetString("WarningUnknownValuePleaseReport", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Ignoring WCF command because --client wasn&apos;t specified: {0}.
         /// </summary>
diff --git a/ArchiSteamFarm/Localization/Strings.resx b/ArchiSteamFarm/Localization/Strings.resx
index 495ee9fd3..2c1975394 100644
--- a/ArchiSteamFarm/Localization/Strings.resx
+++ b/ArchiSteamFarm/Localization/Strings.resx
@@ -334,9 +334,9 @@ StackTrace:
     <value>&lt;{0}&gt; Please enter your WCF host: </value>
     <comment>{0} will be replaced by bot's name. Please note that this translation should end with space</comment>
   </data>
-  <data name="WarningMobileAuthenticatorUnknownConfirmationType" xml:space="preserve">
-    <value>Received unknown confirmation type, please report this: {0}</value>
-    <comment>{0} will be replaced by unknown confirmation type</comment>
+  <data name="WarningUnknownValuePleaseReport" xml:space="preserve">
+    <value>Received unknown value for {0}, please report this: {1}</value>
+    <comment>{0} will be replaced by object's name, {1} will be replaced by value for that object</comment>
   </data>
   <data name="WarningTooManyGamesToPlay" xml:space="preserve">
     <value>Playing more than {0} games concurrently is not possible, only first {0} entries from {1} will be used!</value>
diff --git a/ArchiSteamFarm/MobileAuthenticator.cs b/ArchiSteamFarm/MobileAuthenticator.cs
index bfa9ef3fb..7fdad2a73 100644
--- a/ArchiSteamFarm/MobileAuthenticator.cs
+++ b/ArchiSteamFarm/MobileAuthenticator.cs
@@ -175,7 +175,7 @@ namespace ArchiSteamFarm {
 				} else if (description.StartsWith("Trade with ", StringComparison.Ordinal)) {
 					type = Steam.ConfirmationDetails.EType.Trade;
 				} else {
-					Bot.ArchiLogger.LogGenericWarning(string.Format(Strings.WarningMobileAuthenticatorUnknownConfirmationType, description));
+					Bot.ArchiLogger.LogGenericWarning(string.Format(Strings.WarningUnknownValuePleaseReport, nameof(description), description));
 					type = Steam.ConfirmationDetails.EType.Other;
 				}