diff
--- a/capbattleship/logic.py
+++ b/capbattleship/logic.py
@@ -1,3 +1,5 @@
+import asyncio
+import time
 from random import randrange, choice
 from enum import Enum, auto
 
@@ -372,12 +374,17 @@
                 else:
                     self.state.switch(self.State.Stage.PLAYER_TURN, options={ "message": "CPU sunk you."})
 
-    def run(self):
+    async def run(self):
+        # Navegador: um quadro a cada 1/30 s (era clock.tick(30)), cedendo a vez ao pygbag entre os quadros.
         while not self.quit:
+            t0 = time.time()
             self.update()
             self.ui.draw(self)
             self.textui.draw(self)
             self.ui.read_events(self)
+            await asyncio.sleep(0)
+            while time.time() - t0 < 1 / 30:
+                await asyncio.sleep(0)
 
 def sync_config(data=None):
     from configparser import ConfigParser
@@ -385,9 +392,13 @@
 
     config = ConfigParser()
 
-    xdgprefix = os.getenv('XDG_CONFIG_HOME', os.path.expanduser('~/.config'))
-    dirname = os.path.join(xdgprefix, "capbattleship")
-    os.makedirs(dirname, exist_ok=True)
+    # Navegador: a pagina espelha /saves no IndexedDB.
+    if os.path.isdir('/saves'):
+        dirname = '/saves'
+    else:
+        xdgprefix = os.getenv('XDG_CONFIG_HOME', os.path.expanduser('~/.config'))
+        dirname = os.path.join(xdgprefix, "capbattleship")
+        os.makedirs(dirname, exist_ok=True)
 
     filename = os.path.join(dirname, "config")
 
diff
--- a/capbattleship/pygameui.py
+++ b/capbattleship/pygameui.py
@@ -1,6 +1,5 @@
 import math
 import gettext
-import locale
 from enum import Enum, auto
 from glob import glob
 from random import choice
@@ -44,7 +43,7 @@
         title_font = pygame.font.Font(FONT, 35)
         subtitle_font = pygame.font.Font(FONT, 18)
         title = title_font.render(_("CAP"), 1, WHITE)
-        subtitle = subtitle_font.render(_("Pirate Battleship"), 1, WHITE)
+        subtitle = subtitle_font.render(_("Pirate Fleet"), 1, WHITE)
         self.bg.blit(title, (20, 15))
         self.bg.blit(subtitle, (20, 70))
 
@@ -68,7 +67,6 @@
         self.menu_entries += [
                 (_("Manage options"),  'o', Stage.OPTIONS, {}),
                 (_("See credits"),     'c', Stage.CREDITS, {}),
-                (_("Quit"),            'q', Stage.QUIT, {}),
                 ]
 
 
@@ -212,12 +210,6 @@
                     (_("Enabled"),  True),
                     ],
                     "animations"),
-                (_("Fullscreen"), [
-                    (_("Disabled"), 0),
-                    (_("Windowed"), 1),
-                    (_("Enabled"), 2),
-                    ],
-                    "fullscreen"),
                 ]
 
         ## Reference point for options
@@ -451,10 +443,6 @@
                     "author": _("All the testers"),
                     "descr": _("Thanks! (testing, advices, bugs)"),
                     },
-                {
-                    "author": _("Contribute!"),
-                    "descr": _("Join us on https://capbattleship.tuxfamily.org/"),
-                    },
                 ]
 
         font_descr = pygame.font.Font(FONT, 18)
@@ -1792,20 +1780,18 @@
 
 class PyGameUI:
     def __init__(self):
-        (language, encoding) = locale.getdefaultlocale()
-
+        # Navegador: o idioma vem da pagina que hospeda o jogo (html lang), ou do navegador.
+        language = "en"
         try:
-            locale_dir = gettext.bindtextdomain("capbattleship")
-        except:
-            locale_dir = None
-        finally:
-            if locale_dir is None:
-                locale_dir = "locale"
-
-        try:
-            tr = gettext.translation("capbattleship", localedir=locale_dir, languages=[language[0:2].lower()])
-        except:
-            tr = gettext.translation("capbattleship", localedir=locale_dir, languages=["en"])
+            import platform
+            lang = str(platform.window.parent.document.documentElement.lang or "")
+            if not lang:
+                lang = str(platform.window.navigator.language or "")
+            language = lang.replace("-", "_")
+        except Exception:
+            pass
+        languages = ["pt_BR"] if language.lower().startswith("pt") else ["en"]
+        tr = gettext.translation("capbattleship", localedir="locale", languages=languages, fallback=True)
         tr.install()
 
         # workaround: disable sound if sdl1 is used
@@ -1816,10 +1802,9 @@
         icon = pygame.image.load("gfx/icon_256px.png")
         pygame.display.set_icon(icon)
 
-        self.clock = pygame.time.Clock()
         self.screen = pygame.display.set_mode((WIDTH,HEIGHT))
 
-        pygame.display.set_caption(_("CAP - Pirate Battleship"))
+        pygame.display.set_caption(_("CAP - Pirate Fleet"))
 
         self.gui = None
 
@@ -1982,7 +1967,6 @@
             self.need_full_redraw = False
         else:
             pygame.display.update(update_rects)
-        self.clock.tick(30)
 
 
     def read_events(self, rnd):
@@ -1993,10 +1977,8 @@
                 pos_y = int((event.pos[1]-self.fs_off[1])/self.fs_ratio)
                 event.pos = (pos_x, pos_y)
 
-            if event.type == pygame.QUIT or (event.type==pygame.KEYDOWN and event.unicode=='q'):
-                rnd.state.switch(Stage.QUIT)
-
-            elif event.type == pygame.ACTIVEEVENT or event.type == pygame.VIDEOEXPOSE:
+            # Navegador: nao ha para onde sair (sem Quit, sem a tecla Q).
+            if event.type == pygame.ACTIVEEVENT or event.type == pygame.VIDEOEXPOSE:
                 rnd.state.options['needs_redraw'] = True
                 self.need_full_redraw = True
             elif rnd.state.stage == Stage.NOTIFICATION:
diff
--- a/main.py
+++ b/main.py
@@ -0,0 +1,14 @@
+import pygame
+import asyncio
+
+from capbattleship.pygameui import PyGameUI
+from capbattleship.textui import DummyUI
+from capbattleship.logic import Round
+
+
+async def main():
+    game = Round(10, PyGameUI(), DummyUI())
+    await game.run()
+
+
+asyncio.run(main())