diff --git a/src/CommandFormats.hh b/src/CommandFormats.hh
index f7e939a8..776abfd0 100644
--- a/src/CommandFormats.hh
+++ b/src/CommandFormats.hh
@@ -1551,7 +1551,9 @@ struct SC_SimpleMail_BB_81 {
 struct S_LobbyListEntry_83 {
   le_uint32_t menu_id = 0;
   le_uint32_t item_id = 0;
-  le_uint32_t unused = 0;
+  // It appears that Sega's servers sent the number of players in each lobby in
+  // this field, but the client ignores it.
+  le_uint32_t player_count = 0;
 } __packed_ws__(S_LobbyListEntry_83, 0x0C);
 
 // 84 (C->S): Choose lobby
@@ -4458,8 +4460,10 @@ struct G_WalkToPosition_6x40 {
 
 // 6x41: Move to position (v1)
 // 6x42: Run (protected on V3/V4)
-// This subcommand is completely ignored by v2 and later.
+// Command 6x41 is completely ignored by v2 and later.
 // If UDP mode is enabled, this command is sent via UDP.
+// TODO: Should newserv translate 6x41 to 6x42? Is there any difference in how
+// v1 and pre-v1 handle 6x42 vs. 6x41?
 
 struct G_MoveToPosition_6x41_6x42 {
   G_ClientIDHeader header;
diff --git a/src/SendCommands.cc b/src/SendCommands.cc
index 952a721b..0e9332c7 100644
--- a/src/SendCommands.cc
+++ b/src/SendCommands.cc
@@ -1730,7 +1730,7 @@ void send_lobby_list(shared_ptr<Client> c) {
     auto& e = entries.emplace_back();
     e.menu_id = MenuID::LOBBY;
     e.item_id = l->lobby_id;
-    e.unused = 0;
+    e.player_count = l->count_clients();
   }
 
   send_command_vt(c, 0x83, entries.size(), entries);
diff --git a/tests/DCNTE-GameSmokeTest.test.txt b/tests/DCNTE-GameSmokeTest.test.txt
index 85941b7d..093f6759 100644
--- a/tests/DCNTE-GameSmokeTest.test.txt
+++ b/tests/DCNTE-GameSmokeTest.test.txt
@@ -649,7 +649,7 @@ I 91446 2023-12-31 21:05:45 - [Commands] Sending to C-4 (version=DC_NTE command=
 0000 | 83 0A 7C 00 33 00 00 33 01 00 00 00 00 00 00 00 |   | 3  3
 0010 | 33 00 00 33 02 00 00 00 00 00 00 00 33 00 00 33 | 3  3        3  3
 0020 | 03 00 00 00 00 00 00 00 33 00 00 33 04 00 00 00 |         3  3
-0030 | 00 00 00 00 33 00 00 33 05 00 00 00 00 00 00 00 |     3  3
+0030 | 00 00 00 00 33 00 00 33 05 00 00 00 01 00 00 00 |     3  3
 0040 | 33 00 00 33 06 00 00 00 00 00 00 00 33 00 00 33 | 3  3        3  3
 0050 | 07 00 00 00 00 00 00 00 33 00 00 33 08 00 00 00 |         3  3
 0060 | 00 00 00 00 33 00 00 33 09 00 00 00 00 00 00 00 |     3  3
diff --git a/tests/GC-Episode2PrivateDrops2P.test.txt b/tests/GC-Episode2PrivateDrops2P.test.txt
index 1ced3124..e1a53667 100644
--- a/tests/GC-Episode2PrivateDrops2P.test.txt
+++ b/tests/GC-Episode2PrivateDrops2P.test.txt
@@ -558,7 +558,7 @@ I 94381 2023-12-29 15:36:20 - [Commands] Sending to C-5 (version=GC_V3 command=0
 0010 | 00 00 4F 33 00 50 00 44 20 00 00 00 00 00 00 00 |    3   D
 0020 | 00 00 00 00 00 00 FF FF 80 FF FF FF             |
 I 94381 2023-12-29 15:36:20 - [Commands] Sending to C-5 (version=GC_V3 command=83 flag=0F)
-0000 | 83 0F B8 00 33 00 00 33 01 00 00 00 00 00 00 00 |     3  3
+0000 | 83 0F B8 00 33 00 00 33 01 00 00 00 01 00 00 00 |     3  3
 0010 | 33 00 00 33 02 00 00 00 00 00 00 00 33 00 00 33 | 3  3        3  3
 0020 | 03 00 00 00 00 00 00 00 33 00 00 33 04 00 00 00 |         3  3
 0030 | 00 00 00 00 33 00 00 33 05 00 00 00 00 00 00 00 |     3  3
diff --git a/tests/GC-Episode3BattleWithSpectatorTeam.rdtest.txt b/tests/GC-Episode3BattleWithSpectatorTeam.rdtest.txt
index ab6a81ed..bed018bf 100644
--- a/tests/GC-Episode3BattleWithSpectatorTeam.rdtest.txt
+++ b/tests/GC-Episode3BattleWithSpectatorTeam.rdtest.txt
@@ -8240,7 +8240,7 @@ I 64538 2024-09-01 15:24:45 - [Commands] Sending to C-A @ ipss:N-6:127.0.0.1:593
 0090 | 00 00 00 00 33 00 00 33 0D 00 00 00 00 00 00 00 |     3  3
 00A0 | 33 00 00 33 0E 00 00 00 00 00 00 00 33 00 00 33 | 3  3        3  3
 00B0 | 0F 00 00 00 00 00 00 00 33 00 00 33 10 00 00 00 |         3  3
-00C0 | 00 00 00 00 33 00 00 33 11 00 00 00 00 00 00 00 |     3  3
+00C0 | 01 00 00 00 33 00 00 33 11 00 00 00 00 00 00 00 |     3  3
 00D0 | 33 00 00 33 12 00 00 00 00 00 00 00 33 00 00 33 | 3  3        3  3
 00E0 | 13 00 00 00 00 00 00 00 33 00 00 33 14 00 00 00 |         3  3
 00F0 | 00 00 00 00                                     |
@@ -12372,7 +12372,7 @@ I 64538 2024-09-01 15:24:56 - [Commands] Sending to C-C @ ipss:N-5:127.0.0.1:593
 0090 | 00 00 00 00 33 00 00 33 0D 00 00 00 00 00 00 00 |     3  3
 00A0 | 33 00 00 33 0E 00 00 00 00 00 00 00 33 00 00 33 | 3  3        3  3
 00B0 | 0F 00 00 00 00 00 00 00 33 00 00 33 10 00 00 00 |         3  3
-00C0 | 00 00 00 00 33 00 00 33 11 00 00 00 00 00 00 00 |     3  3
+00C0 | 01 00 00 00 33 00 00 33 11 00 00 00 00 00 00 00 |     3  3
 00D0 | 33 00 00 33 12 00 00 00 00 00 00 00 33 00 00 33 | 3  3        3  3
 00E0 | 13 00 00 00 00 00 00 00 33 00 00 33 14 00 00 00 |         3  3
 00F0 | 00 00 00 00                                     |