diff --git a/html-src/howtoplay.html b/html-src/howtoplay.html
index 419f243b..bb6216bf 100644
--- a/html-src/howtoplay.html
+++ b/html-src/howtoplay.html
@@ -132,4 +132,5 @@ to the main <i>data/tiles</i> or your home <i>~/.PySolFC/tiles</i> directory.
 <li> <i>Ctrl-U</i> - Play the next music song
 <li> <i>Ctrl-W</i> - Select game, using old game select window
 <li> <i>F5</i> - Refresh the game layout
+<li> <i>F11</i> - Toggle fullscreen display
 </ul>
diff --git a/pysollib/app.py b/pysollib/app.py
index c45aa5ec..7f5dad95 100644
--- a/pysollib/app.py
+++ b/pysollib/app.py
@@ -506,6 +506,10 @@ class Application:
             wm_withdraw(self.top)
             self.top.busyUpdate()
 
+    def wm_toggle_fullscreen(self):
+        self.opt.wm_fullscreen = not self.opt.wm_fullscreen
+        self.top.attributes("-fullscreen", self.opt.wm_fullscreen)
+
     def loadImages1(self):
         # load dialog images
         dirname = os.path.join("images", "logos")
diff --git a/pysollib/game/__init__.py b/pysollib/game/__init__.py
index 633f257f..2731b3d9 100644
--- a/pysollib/game/__init__.py
+++ b/pysollib/game/__init__.py
@@ -828,6 +828,7 @@ class Game(object):
         # unhide toplevel when we use a progress bar
         if not self.preview:
             wm_map(self.top, maximized=self.app.opt.wm_maximized)
+            self.top.attributes('-fullscreen', self.app.opt.wm_fullscreen)
             self.top.busyUpdate()
         if TOOLKIT == 'gtk':
             # FIXME
@@ -910,6 +911,7 @@ class Game(object):
         if not self.preview:
             self.updateMenus()
             wm_map(self.top, maximized=self.app.opt.wm_maximized)
+            self.top.attributes('-fullscreen', self.app.opt.wm_fullscreen)
         self.setCursor(cursor=self.app.top_cursor)
         self.stats.update_time = time.time()
         self.busy = old_busy
diff --git a/pysollib/options.py b/pysollib/options.py
index 74bd3330..f5cfc7e7 100644
--- a/pysollib/options.py
+++ b/pysollib/options.py
@@ -112,6 +112,7 @@ num_recent_games = integer(10, 100)
 last_gameid = integer
 game_holded = integer
 wm_maximized = boolean
+wm_fullscreen = boolean
 splashscreen = boolean
 date_format = string
 mouse_type = string
@@ -287,6 +288,7 @@ class Options:
         ('last_gameid', 'int'),
         ('game_holded', 'int'),
         ('wm_maximized', 'bool'),
+        ('wm_fullscreen', 'bool'),
         ('splashscreen', 'bool'),
         ('date_format', 'str'),
         ('mouse_type', 'str'),
@@ -490,6 +492,7 @@ class Options:
         self.last_gameid = 0            # last game played
         self.game_holded = 0            # gameid or 0
         self.wm_maximized = 1
+        self.wm_fullscreen = 0
         self.save_games_geometry = False
         # saved games geometry (gameid: (width, height))
         self.games_geometry = {}
diff --git a/pysollib/ui/tktile/menubar.py b/pysollib/ui/tktile/menubar.py
index a8bc22a8..f7d7adbb 100644
--- a/pysollib/ui/tktile/menubar.py
+++ b/pysollib/ui/tktile/menubar.py
@@ -994,6 +994,7 @@ class PysolMenubarTkCommon:
         self._bindKey(ctrl, "Down", self.mSelectNextGameById)
 
         self._bindKey("", "F5", self.refresh)
+        self._bindKey("", "F11", self.togglefullscreen)
 
         if os.name == 'posix' and platform.system() != 'Darwin':
             self._bindKey('Alt-', 'F4', self.mQuit)
@@ -2030,6 +2031,9 @@ Unsupported game for import.
         self.game.endGame(bookmark=1)
         self.game.quitGame(bookmark=1)
 
+    def togglefullscreen(self, *event):
+        self.app.wm_toggle_fullscreen()
+
     #
     # toolbar support
     #