diff --git a/ArchiSteamFarm/Steam/Bot.cs b/ArchiSteamFarm/Steam/Bot.cs
index 3900c13d0..39e0f89a9 100644
--- a/ArchiSteamFarm/Steam/Bot.cs
+++ b/ArchiSteamFarm/Steam/Bot.cs
@@ -1226,7 +1226,7 @@ namespace ArchiSteamFarm.Steam {
 				gameName = string.Format(CultureInfo.CurrentCulture, BotConfig.CustomGamePlayedWhileFarming!, game.AppID, game.GameName);
 			}
 
-			await ArchiHandler.PlayGames(game.PlayableAppID.ToEnumerable(), gameName).ConfigureAwait(false);
+			await ArchiHandler.PlayGames(new HashSet<uint>(1) { game.PlayableAppID }, gameName).ConfigureAwait(false);
 		}
 
 		internal async Task IdleGames(IReadOnlyCollection<Game> games) {
@@ -1240,7 +1240,7 @@ namespace ArchiSteamFarm.Steam {
 				gameName = string.Format(CultureInfo.CurrentCulture, BotConfig.CustomGamePlayedWhileFarming!, string.Join(", ", games.Select(game => game.AppID)), string.Join(", ", games.Select(game => game.GameName)));
 			}
 
-			await ArchiHandler.PlayGames(games.Select(game => game.PlayableAppID), gameName).ConfigureAwait(false);
+			await ArchiHandler.PlayGames(games.Select(game => game.PlayableAppID).ToHashSet(), gameName).ConfigureAwait(false);
 		}
 
 		internal async Task ImportKeysToRedeem(string filePath) {
diff --git a/ArchiSteamFarm/Steam/Integration/ArchiHandler.cs b/ArchiSteamFarm/Steam/Integration/ArchiHandler.cs
index 558af88c2..7e4e91521 100644
--- a/ArchiSteamFarm/Steam/Integration/ArchiHandler.cs
+++ b/ArchiSteamFarm/Steam/Integration/ArchiHandler.cs
@@ -471,7 +471,7 @@ namespace ArchiSteamFarm.Steam.Integration {
 			return response.Result == EResult.OK;
 		}
 
-		internal async Task PlayGames(IEnumerable<uint> gameIDs, string? gameName = null) {
+		internal async Task PlayGames(IReadOnlyCollection<uint> gameIDs, string? gameName = null) {
 			if (gameIDs == null) {
 				throw new ArgumentNullException(nameof(gameIDs));
 			}
@@ -512,11 +512,17 @@ namespace ArchiSteamFarm.Steam.Integration {
 				maxGamesCount++;
 			}
 
-			foreach (uint gameID in gameIDs.Where(gameID => gameID != 0)) {
-				request.Body.games_played.Add(new CMsgClientGamesPlayed.GamePlayed { game_id = new GameID(gameID) });
+			if (gameIDs.Count > 0) {
+#pragma warning disable CA1508 // False positive, not every IReadOnlyCollection is ISet
+				IEnumerable<uint> uniqueValidGameIDs = (gameIDs as ISet<uint> ?? gameIDs.Distinct()).Where(gameID => gameID > 0);
+#pragma warning restore CA1508 // False positive, not every IReadOnlyCollection is ISet
 
-				if (request.Body.games_played.Count >= maxGamesCount) {
-					break;
+				foreach (uint gameID in uniqueValidGameIDs) {
+					request.Body.games_played.Add(new CMsgClientGamesPlayed.GamePlayed { game_id = new GameID(gameID) });
+
+					if (request.Body.games_played.Count >= maxGamesCount) {
+						break;
+					}
 				}
 			}
 
diff --git a/ArchiSteamFarm/Steam/Interaction/Actions.cs b/ArchiSteamFarm/Steam/Interaction/Actions.cs
index f35f25127..5a8b3ce40 100644
--- a/ArchiSteamFarm/Steam/Interaction/Actions.cs
+++ b/ArchiSteamFarm/Steam/Interaction/Actions.cs
@@ -201,7 +201,7 @@ namespace ArchiSteamFarm.Steam.Interaction {
 				// We add extra delay because OnFarmingStopped() also executes PlayGames()
 				// Despite of proper order on our end, Steam network might not respect it
 				await Task.Delay(Bot.CallbackSleep).ConfigureAwait(false);
-				await Bot.ArchiHandler.PlayGames(Enumerable.Empty<uint>(), Bot.BotConfig.CustomGamePlayedWhileIdle).ConfigureAwait(false);
+				await Bot.ArchiHandler.PlayGames(Array.Empty<uint>(), Bot.BotConfig.CustomGamePlayedWhileIdle).ConfigureAwait(false);
 			}
 
 			if (resumeInSeconds > 0) {