diff --git a/Src/Network.h b/Src/Network.h
index 972d889..0ba7b1b 100644
--- a/Src/Network.h
+++ b/Src/Network.h
@@ -84,6 +84,13 @@ struct NetworkUpdate
 	uint8 data[];
 };
 
+struct NetworkUpdateServerInfo
+{
+	uint32 game_info_seq_nr;
+	uint32 dummy[3]; /* Future */
+};
+
+
 struct NetworkUpdateDisplay
 {
 	uint8 square;
@@ -120,6 +127,24 @@ struct NetworkUpdateRegisterData
 	uint8_t  data[];
 };
 
+struct NetworkUpdateGameInfoHash
+{
+	uint16_t hash;		/* Hash by filename */
+	uint16_t seq_nr;
+};
+
+struct NetworkUpdateGameInfoHashList
+{
+	uint16_t n_entries;
+	NetworkUpdateGameInfoHash hashes[];
+};
+
+struct NetworkUpdateGameInfoList
+{
+	uint16_t n_entries;
+	uint32_t register_keys[];
+};
+
 struct NetworkUpdateSoundInfo
 {
 	uint16 delay_cycles;