--- a/engine/common/common.c
+++ b/engine/common/common.c
@@ -1,3 +1,4 @@
+/* Browser Games Now, 2026-10-19: local-file offline Web build; changes in BUILDING.txt. */
 /*
 Copyright (C) 1996-1997 Id Software, Inc.
 
@@ -20,6 +21,9 @@
 // common.c -- misc functions used in client and server
 
 #include "quakedef.h"
+#ifdef FTE_TARGET_WEB
+#include <emscripten/version.h>
+#endif
 
 #include <wctype.h>
 #include <ctype.h>
--- a/engine/common/config_fteqw.h
+++ b/engine/common/config_fteqw.h
@@ -1,3 +1,4 @@
+// Browser Games Now, 2026-10-19: local-file offline Web build; changes in BUILDING.txt.
 // Build-Config file for FTE's standard builds, the default settings.
 // to use: make FTE_CONFIG=fteqw
 
@@ -154,8 +155,8 @@
 #define TCPCONNECT				//support for playing over tcp sockets, instead of just udp. compatible with qizmo.
 //#define IRCCONNECT			//lame support for routing game packets via irc server. not a good idea.
 #define SUPPORT_ICE				//Internet Connectivity Establishment, for use by plugins to establish voice or game connections.
-#define CL_MASTER				//Clientside Server Browser functionality.
-#define PACKAGEMANAGER			//Allows the user to enable/disable/download(with WEBCLIENT) packages and plugins. Also handles map packages.
+//#define CL_MASTER				//Clientside Server Browser functionality.
+//#define PACKAGEMANAGER			//Allows the user to enable/disable/download(with WEBCLIENT) packages and plugins. Also handles map packages.
 
 // Audio Drivers
 #define AVAIL_OPENAL
@@ -168,9 +169,9 @@
 #define AVAIL_MP3_ACM			//.mp3 support (windows only).
 
 // Other Audio Options
-#define VOICECHAT
-#define HAVE_SPEEX				//Support the speex codec.
-#define HAVE_OPUS               //Support the opus codec.
+//#define VOICECHAT
+//#define HAVE_SPEEX				//Support the speex codec.
+//#define HAVE_OPUS               //Support the opus codec.
 #define HAVE_MEDIA_DECODER		//can play cin/roq, more with plugins
 #define HAVE_MEDIA_ENCODER		//capture/capturedemo work.
 #define HAVE_CDPLAYER			//includes cd playback. actual cds. named/numbered tracks are supported regardless (though you need to use the 'music' command to play them without this).
@@ -214,8 +215,8 @@
 -DLINK_QUAKE3	//ask the makefile to bake the quake3 plugin into the engine itself.
 #endif
 
-//-DNO_OPUS
-//-DNO_SPEEX	//disable static speex
+-DNO_OPUS
+-DNO_SPEEX	//disable static speex
 #ifndef AVAIL_BOTLIB
 -DNO_BOTLIB	//disable static botlib
 #endif
--- a/engine/client/m_download.c
+++ b/engine/client/m_download.c
@@ -1,3 +1,4 @@
+/* Browser Games Now, 2026-10-19: local-file offline Web build; changes in BUILDING.txt. */
 //copyright 'Spike', license gplv2+
 //provides both a package manager and downloads menu.
 //FIXME: block downloads of exe/dll/so/etc if not an https url (even if inside zips). also block such files from package lists over http.
@@ -5775,7 +5776,7 @@
 void PM_EnumeratePlugins(void (*callback)(const char *name, qboolean blocked))
 {
 }
-int PM_IsApplying(qboolean listsonly)
+unsigned int PM_IsApplying(void)
 {
 	return false;
 }
--- a/engine/web/prejs.js
+++ b/engine/web/prejs.js
@@ -1,3 +1,4 @@
+// Browser Games Now, 2026-10-19: local-file offline Web build; changes in BUILDING.txt.
 //Populate our filesystem from Module['files']
 FTEH = {h: [],
 		f: {}};
@@ -21,7 +22,7 @@
 	addRunDependency("loadcachedfiles");
 	try
 	{
-		caches.open('user').then((c)=>{Module['cache']=c;return c.keys();}).then((keys)=>{
+		caches.open('bgn-quake-v1').then((c)=>{Module['cache']=c;return c.keys();}).then((keys)=>{
 			const cache = Module['cache'];
 			for(var r of keys)
 			{
--- a/engine/web/ftejslib.js
+++ b/engine/web/ftejslib.js
@@ -1,3 +1,4 @@
+// Browser Games Now, 2026-10-19: local-file offline Web build; changes in BUILDING.txt.
 
 mergeInto(LibraryManager.library,
 {
@@ -327,6 +328,7 @@
 					{
 						const codepoint = event.key.codePointAt(1)?0:event.key.codePointAt(0); // only if its a single codepoint - none of this 'Return' nonsense.
 						if (codepoint < ' ') codepoint = 0; //don't give a codepoint for c0 chars - like tab.
+						event.stopPropagation(); // The document capture listener owns keyboard events; do not process again on the focused canvas.
 						if ({{{makeDynCall('iiiii','FTEC.evcb.key')}}}(0, event.type=='keydown', event.keyCode, codepoint))
 							event.preventDefault();
 					}
@@ -1008,7 +1010,7 @@
 				{
 					if (localStorage && createifneeded != 2)
 					{
-						var str = localStorage.getItem(name);
+						var str = localStorage.getItem('bgn-quake-v1/' + name);
 						if (str != null)
 						{
 		//					console.log('read file '+name+': ' + str);
@@ -1141,7 +1143,7 @@
 				//use a divide and conquer implementation instead for speed?
 				for (var i = 0; i < len; i++)
 					foo += String.fromCharCode(data[i]);
-				localStorage.setItem(b.n, foo);
+				localStorage.setItem('bgn-quake-v1/' + b.n, foo);
 			}
 			else
 				console.log('local storage not supported');