diff --git a/phantasia/fight.c b/phantasia/fight.c
index cb44682..d391182 100644
--- a/phantasia/fight.c
+++ b/phantasia/fight.c
@@ -49,7 +49,7 @@ encounter(particular)
 
 	if (Curmonster.m_type == SM_UNICORN) {
 		if (Player.p_virgin) {
-			printw("You just subdued %s, thanks to the virgin.\n", Enemyname);
+			printw("You just subdued %s, thanks to the captive.\n", Enemyname);
 			Player.p_virgin = FALSE;
 		} else {
 			printw("You just saw %s running away!\n", Enemyname);
@@ -1031,7 +1031,7 @@ awardtreasure()
 						break;
 
 					case 2:
-						addstr("You have rescued a virgin.  Will you be honorable ? ");
+						addstr("You have rescued a captive.  Will you escort them home safely ? ");
 						ch = getanswer("NY", FALSE);
 						addstr("\n\n");
 						if (ch == 'Y')
diff --git a/phantasia/gamesupport.c b/phantasia/gamesupport.c
index 2bfc67f..5590a60 100644
--- a/phantasia/gamesupport.c
+++ b/phantasia/gamesupport.c
@@ -129,7 +129,7 @@ changestats(ingameflag)
 			temp += 365;
 		mvprintw(16, 40, "3:Lastused     %d  (%d)\n", playerp->p_lastused, temp);
 
-		mvprintw(18, 8, "4:Palantir %c  5:Blessing %c  6:Virgin %c  7:Blind %c",
+		mvprintw(18, 8, "4:Palantir %c  5:Blessing %c  6:Captive %c  7:Blind %c",
 		    flag[(int)playerp->p_palantir],
 		    flag[(int)playerp->p_blessing],
 		    flag[(int)playerp->p_virgin],
@@ -368,8 +368,8 @@ changestats(ingameflag)
 			bptr = &playerp->p_blessing;
 			goto BALTER;
 
-		case '6':	/* change virgin */
-			prompt = "virgin";
+		case '6':	/* change captive */
+			prompt = "captive";
 			bptr = &playerp->p_virgin;
 			goto BALTER;
 
diff --git a/phantasia/interplayer.c b/phantasia/interplayer.c
index 3cb786c..936566e 100644
--- a/phantasia/interplayer.c
+++ b/phantasia/interplayer.c
@@ -241,7 +241,7 @@ battleplayer(foeplace)
 			Player.p_shield = MAX(Player.p_shield, Other.p_shield);
 			Player.p_quksilver = MAX(Player.p_quksilver, Other.p_quksilver);
 			if (Other.p_virgin && !Player.p_virgin) {
-				mvaddstr(Lines++, 0, "You have rescued a virgin.  Will you be honorable ? ");
+				mvaddstr(Lines++, 0, "You have rescued a captive.  Will you escort them home safely ? ");
 				if ((ch = getanswer("YN", FALSE)) == 'Y')
 					Player.p_virgin = TRUE;
 				else {
diff --git a/phantasia/io.c b/phantasia/io.c
index 66f2363..19866ba 100644
--- a/phantasia/io.c
+++ b/phantasia/io.c
@@ -30,7 +30,7 @@ getstring(cp, mx)
 		clrtoeol();	/* clear any data after string */
 		refresh();	/* update screen */
 
-		ch = getchar();	/* get character */
+		ch = getch();	/* get character */
 
 		switch (ch) {
 		case CH_ERASE:	/* back up one character */
@@ -193,7 +193,7 @@ getanswer(choices, def)
 			else
 				alarm(600);	/* long */
 
-			ch = getchar();
+			ch = getch();
 
 			alarm(0);	/* turn off timeout */
 
diff --git a/phantasia/main.c b/phantasia/main.c
index c370293..cf16ce2 100644
--- a/phantasia/main.c
+++ b/phantasia/main.c
@@ -116,8 +116,10 @@ main(argc, argv)
 			/* NOTREACHED */
 		}
 
+#ifndef __EMSCRIPTEN__
 	if (!isatty(0))		/* don't let non-tty's play */
 		cleanup(TRUE);
+#endif
 	/* NOTREACHED */
 
 	playinit();		/* set up to catch signals, init curses */
@@ -270,6 +272,51 @@ main(argc, argv)
 	}
 }
 
+#ifdef __EMSCRIPTEN__
+/*
+ * The browser build does what "setup" does, on every start: the binary monster data base
+ * (/phantasia/monsters) is made from monsters.asc, in memory, and the other data files, in
+ * /phantasia-data (which the page keeps in the browser), are created empty when they are missing.
+ */
+static void
+fredy_setup_files()
+{
+	static const char *const files[] = {
+		_PATH_PEOPLE, _PATH_MESS, _PATH_LASTDEAD, _PATH_MOTD, _PATH_GOLD, _PATH_VOID, _PATH_SCORE, NULL
+	};
+	const char *const *filename;
+	FILE *fp, *mfp;
+
+	for (filename = files; *filename != NULL; ++filename) {
+		if ((fp = fopen(*filename, "a")) != NULL)
+			fclose(fp);
+	}
+
+	if ((mfp = fopen(_PATH_MONST, "w")) == NULL)
+		error(_PATH_MONST);
+	if ((fp = fopen("/phantasia/monsters.asc", "r")) == NULL)
+		error("/phantasia/monsters.asc");
+	Curmonster.m_o_strength =
+	Curmonster.m_o_speed =
+	Curmonster.m_maxspeed =
+	Curmonster.m_o_energy =
+	Curmonster.m_melee =
+	Curmonster.m_skirmish = 0.0;
+	while (fgets(Databuf, SZ_DATABUF, fp) != NULL) {
+		sscanf(&Databuf[24], "%lf%lf%lf%lf%lf%d%d%lf",
+		    &Curmonster.m_strength, &Curmonster.m_brains,
+		    &Curmonster.m_speed, &Curmonster.m_energy,
+		    &Curmonster.m_experience, &Curmonster.m_treasuretype,
+		    &Curmonster.m_type, &Curmonster.m_flock);
+		Databuf[24] = '\0';
+		strcpy(Curmonster.m_name, Databuf);
+		fwrite((char *) &Curmonster, SZ_MONSTERSTRUCT, 1, mfp);
+	}
+	fclose(fp);
+	fclose(mfp);
+}
+#endif
+
 void
 initialstate()
 {
@@ -286,8 +333,14 @@ initialstate()
 	Echo = TRUE;
 
 	/* setup login name */
+#ifdef __EMSCRIPTEN__
+	/* the browser has no user names */
+	Login = "player";
+	fredy_setup_files();
+#else
 	if ((Login = getlogin()) == NULL)
 		Login = getpwuid(getuid())->pw_name;
+#endif
 
 	/* open some files */
 	if ((Playersfp = fopen(_PATH_PEOPLE, "r+")) == NULL)
@@ -751,7 +804,12 @@ recallplayer()
 			{
 				Echo = TRUE;
 
+#ifdef __EMSCRIPTEN__
+				/* a closed tab is not cheating: the browser build only has one player */
+				if (0)
+#else
 				if (Player.p_status != S_OFF)
+#endif
 					/* player did not exit normally last
 					 * time */
 				{
@@ -1001,6 +1059,9 @@ playinit()
 	initscr();		/* turn on curses */
 	noecho();		/* do not echo input */
 	cbreak();		/* do not process erase, kill */
+#ifdef __EMSCRIPTEN__
+	nl();			/* Enter is a newline */
+#endif
 #ifdef NCURSES_VERSION /* Ncurses needs some terminal mode fiddling */
 	tcgetattr(0, &tty);
 	tty.c_iflag |= ICRNL;
diff --git a/phantasia/misc.c b/phantasia/misc.c
index d3f72b9..0f45ff7 100644
--- a/phantasia/misc.c
+++ b/phantasia/misc.c
@@ -437,7 +437,7 @@ allstatslist()
 	mvprintw(15, 40, "Sword     : %9.0f", Player.p_sword);
 	mvprintw(16, 40, "Quickslver: %9.0f", Player.p_quksilver);
 
-	mvprintw(18, 0, "Blessing: %s   Ring: %s   Virgin: %s   Palantir: %s",
+	mvprintw(18, 0, "Blessing: %s   Ring: %s   Captive: %s   Palantir: %s",
 	    flags[(int)Player.p_blessing],
 	    flags[Player.p_ring.ring_type != R_NONE],
 	    flags[(int)Player.p_virgin],
@@ -689,6 +689,12 @@ writerecord(playerp, place)
 	fseek(Playersfp, place, SEEK_SET);
 	fwrite((char *) playerp, SZ_PLAYERSTRUCT, 1, Playersfp);
 	fflush(Playersfp);
+#ifdef __EMSCRIPTEN__
+	/* the page saves a data file in the browser when it is closed, so the file is closed and opened again */
+	fclose(Playersfp);
+	if ((Playersfp = fopen(_PATH_PEOPLE, "r+")) == NULL)
+		error(_PATH_PEOPLE);
+#endif
 }
 
 double
@@ -939,6 +945,14 @@ void
 error(whichfile)
 	const char   *whichfile;
 {
+#ifdef __EMSCRIPTEN__
+	/* printw() is a macro in the curses layer of the browser build */
+	if (Windows) {
+		clear();
+		printw("An unrecoverable error has occurred reading %s.  (%s)\n", whichfile, strerror(errno));
+	} else
+		printf("An unrecoverable error has occurred reading %s.  (%s)\n", whichfile, strerror(errno));
+#else
 	int     (*funcp)(const char *,...);
 
 	if (Windows) {
@@ -949,6 +963,7 @@ error(whichfile)
 
 	(*funcp) ("An unrecoverable error has occurred reading %s.  (%s)\n", whichfile, strerror(errno));
 	(*funcp) ("Please run 'setup' to determine the problem.\n");
+#endif
 	cleanup(TRUE);
 	/* NOTREACHED */
 }