diff --git a/xwords4/linux/Makefile b/xwords4/linux/Makefile
index 0b81ea76a..9a9ceefeb 100644
--- a/xwords4/linux/Makefile
+++ b/xwords4/linux/Makefile
@@ -208,7 +208,9 @@ GTK_OBJS = \
 	$(BUILD_PLAT_DIR)/gtkutils.o \
 	$(BUILD_PLAT_DIR)/gtkntilesask.o \
 	$(BUILD_PLAT_DIR)/gtkaskdict.o \
-	$(BUILD_PLAT_DIR)/gtkchat.o
+	$(BUILD_PLAT_DIR)/gtkchat.o \
+	$(BUILD_PLAT_DIR)/gtkkpdlg.o \
+
 endif
 ifdef DO_CURSES
 CURSES_OBJS = \
diff --git a/xwords4/linux/gtkkpdlg.c b/xwords4/linux/gtkkpdlg.c
new file mode 100644
index 000000000..c9e90e1fd
--- /dev/null
+++ b/xwords4/linux/gtkkpdlg.c
@@ -0,0 +1,90 @@
+/* -*- compile-command: "make MEMDEBUG=TRUE -j5"; -*- */
+/* 
+ * Copyright 2001-2014 by Eric House (xwords@eehouse.org).  All rights
+ * reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+#ifdef PLATFORM_GTK
+
+#include "gtkkpdlg.h"
+#include "knownplyr.h"
+#include "strutils.h"
+
+static GtkWidget*
+makeForPlayer( XW_DUtilCtxt* dutil, const gchar* name )
+{
+    GtkWidget* vbox = NULL;
+
+    CommsAddrRec addr;
+    if ( kplr_getAddr( dutil, NULL_XWE, name, &addr ) ) {
+        vbox = gtk_box_new( GTK_ORIENTATION_VERTICAL, 0 );
+        
+        GtkWidget* label = gtk_label_new( name );
+        gtk_box_pack_start( GTK_BOX(vbox), label, FALSE, TRUE, 0 );
+
+        if ( addr_hasType( &addr, COMMS_CONN_MQTT ) ) {
+            XP_UCHAR buf[32];
+            formatMQTTDevID( &addr.u.mqtt.devID, buf, VSIZE(buf) );
+            label = gtk_label_new( buf );
+            gtk_box_pack_start( GTK_BOX(vbox), label, FALSE, TRUE, 0 );
+        }
+    }
+    
+    return vbox;
+}
+
+static void
+showDialog( XW_DUtilCtxt* dutil, const XP_UCHAR* players[], int nFound )
+{
+    GtkWidget* vbox = gtk_box_new( GTK_ORIENTATION_VERTICAL, 0 );
+
+    for ( int ii = 0; ii < nFound; ++ii ) {
+        GtkWidget* one = makeForPlayer( dutil, players[ii] );
+        if ( !!one ) {
+            gtk_box_pack_start( GTK_BOX(vbox), one, FALSE, TRUE, 0 );
+        }
+    }
+
+    GtkWidget* dialog = gtk_dialog_new();
+    gtk_window_set_modal( GTK_WINDOW( dialog ), TRUE );
+    gtk_container_add( GTK_CONTAINER(gtk_dialog_get_content_area(GTK_DIALOG(dialog))),
+                       vbox );
+
+    gtk_widget_show_all( dialog );
+    gtk_main();
+    gtk_widget_destroy( dialog );
+}
+
+void
+gtkkp_show( GtkAppGlobals* apg )
+{
+    XW_DUtilCtxt* dutil = apg->cag.params->dutil;
+
+    XP_U16 nFound = 0;
+    kplr_getNames( dutil, NULL_XWE, NULL, &nFound );
+    const XP_UCHAR* players[nFound];
+    kplr_getNames( dutil, NULL_XWE, players, &nFound );
+
+    for ( int ii = 0; ii < nFound; ++ii ) {
+        XP_LOGFF( "got one: %s", players[ii] );
+    }
+
+    if ( 0 < nFound ) {
+        showDialog( dutil, players, nFound );
+    }
+}
+
+#endif
diff --git a/xwords4/linux/gtkkpdlg.h b/xwords4/linux/gtkkpdlg.h
new file mode 100644
index 000000000..a85c591cc
--- /dev/null
+++ b/xwords4/linux/gtkkpdlg.h
@@ -0,0 +1,30 @@
+/* -*- compile-command: "make MEMDEBUG=TRUE -j5"; -*- */
+/*
+ * Copyright 2020 by Eric House (xwords@eehouse.org).  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+#ifndef _GTKKPDLG_H_
+#define _GTKKPDLG_H_
+
+# ifdef PLATFORM_GTK
+
+#include "main.h"
+
+void gtkkp_show( GtkAppGlobals* apg );
+
+
+# endif
+#endif
diff --git a/xwords4/linux/gtkmain.c b/xwords4/linux/gtkmain.c
index 238338670..359d983ba 100644
--- a/xwords4/linux/gtkmain.c
+++ b/xwords4/linux/gtkmain.c
@@ -33,6 +33,7 @@
 #include "linuxsms.h"
 #include "gtkask.h"
 #include "device.h"
+#include "gtkkpdlg.h"
 
 static void onNewData( GtkAppGlobals* apg, sqlite3_int64 rowid, 
                        XP_Bool isNew );
@@ -550,6 +551,12 @@ handle_movescheck( GtkWidget* XP_UNUSED(widget), GtkAppGlobals* apg )
     relaycon_checkMsgs( params );
 }
 
+static void
+handle_known_players( GtkWidget* XP_UNUSED(widget), GtkAppGlobals* apg )
+{
+    gtkkp_show( apg );
+}
+
 static void
 handle_relayid_to_clip( GtkWidget* XP_UNUSED(widget), GtkAppGlobals* apg )
 {
@@ -596,7 +603,9 @@ makeGamesWindow( GtkAppGlobals* apg )
 
     // add menubar here
     GtkWidget* menubar = gtk_menu_bar_new();
-    GtkWidget* netMenu = makeAddSubmenu( menubar, "Network" );
+    GtkWidget* netMenu = makeAddSubmenu( menubar, "Menu" );
+    (void)createAddItem( netMenu, "Known Players",
+                         (GCallback)handle_known_players, apg );
     if ( params->useHTTP ) {
         (void)createAddItem( netMenu, "Check for moves",
                              (GCallback)handle_movescheck, apg );