diff --git a/src/client/game/demonware/data_types.hpp b/src/client/game/demonware/data_types.hpp
index 6c815ed4..067d6650 100644
--- a/src/client/game/demonware/data_types.hpp
+++ b/src/client/game/demonware/data_types.hpp
@@ -286,6 +286,24 @@ namespace demonware
 		}
 	};
 
+	class bdDDLChecksumResult final : public bdTaskResult
+	{
+	public:
+		std::string checksum{};
+		bool checksum_matched{};
+
+		void serialize(byte_buffer* buffer) override
+		{
+			buffer->write_string(this->checksum);
+			buffer->write_bool(this->checksum_matched);
+		}
+
+		void deserialize(byte_buffer* buffer) override
+		{
+			buffer->read_string(&this->checksum);
+		}
+	};
+
 	struct bdSockAddr final
 	{
 		bdSockAddr() : in_un(), m_family(AF_INET)
diff --git a/src/client/game/demonware/services/bdDDL.cpp b/src/client/game/demonware/services/bdDDL.cpp
index 8dd076fc..1dd3788f 100644
--- a/src/client/game/demonware/services/bdDDL.cpp
+++ b/src/client/game/demonware/services/bdDDL.cpp
@@ -8,10 +8,22 @@ namespace demonware
 		this->register_task(1, &bdDDL::idk);
 	}
 
-	void bdDDL::idk(service_server* server, byte_buffer* /*buffer*/) const
+	void bdDDL::idk(service_server* server, byte_buffer* buffer) const
 	{
-		// TODO: Read data as soon as needed
-		auto reply = server->create_reply(this->task_id());
+		uint32_t count;
+		buffer->read_uint32(&count);
+
+		const auto reply = server->create_reply(this->task_id());
+
+		for (uint32_t i = 0; i < count; i++)
+		{
+			auto* checksum = new bdDDLChecksumResult;
+			checksum->deserialize(buffer);
+			checksum->checksum_matched = true;
+
+			reply->add(checksum);
+		}
+
 		reply->send();
 	}
 }