diff -ruN a/src/tools.js b/src/tools.js
--- a/src/tools.js
+++ b/src/tools.js
@@ -1,9 +1,8 @@
 
-const APP_PAGE_URL = "https://terratactician-expandoria.codeberg.page/";
+// FredyGames: leaving the game used to go back to the project's page; here it just restarts the game.
 export function quit() {
-    history.back();
     setTimeout(() => {
-        location.assign(APP_PAGE_URL);
+        location.reload();
     }, 200);
 };
 
diff -ruN a/src/ui/help.rs b/src/ui/help.rs
--- a/src/ui/help.rs
+++ b/src/ui/help.rs
@@ -13,10 +13,7 @@
 impl Plugin for HelpAppPlugin {
     fn build(&self, app: &mut App) {
         app.register_asset_collection::<HelpIcon>();
-        app.add_systems(
-            EguiPrimaryContextPass,
-            open_help_link.run_if(in_state(AppMenuState::MainMenu)),
-        );
+        // FredyGames: the help button opened the project's web site; it is not part of this build.
     }
 }
 
diff -ruN a/src/ui/in_game/pause.rs b/src/ui/in_game/pause.rs
--- a/src/ui/in_game/pause.rs
+++ b/src/ui/in_game/pause.rs
@@ -224,26 +224,6 @@
                 }
                 ui.add_space(window.y * SPACE_SIZE);
 
-                // show help
-                if ui
-                    .add_sized(
-                        (window * PRIMARY_BUTTON_SIZE).cast(),
-                        egui::Button::new(
-                            egui::RichText::new(localization.translate("show-help"))
-                                .color(BUTTON_TEXT_COLOR),
-                        )
-                        .fill(BUTTON_COLOR),
-                    )
-                    .clicked()
-                {
-                    ui.ctx().open_url(OpenUrl::new_tab(format!(
-                        "{}/{}/book/",
-                        WEBSITE_BASE,
-                        settings.lang.get_book_id()
-                    )));
-                }
-                ui.add_space(window.y * SPACE_SIZE);
-
                 // return to main menu
                 if ui
                     .add_sized(
diff -ruN a/src/ui/in_game/popup/mod.rs b/src/ui/in_game/popup/mod.rs
--- a/src/ui/in_game/popup/mod.rs
+++ b/src/ui/in_game/popup/mod.rs
@@ -190,18 +190,6 @@
             ui.label(localization.translate(sel_tile.get_availability().get_translation_id()));
             ui.end_row();
         });
-    ui.add(
-        Hyperlink::from_label_and_url(
-            localization.translate("tile-popup-more-information"),
-            format!(
-                "{}/{}/book/tiles/{}",
-                WEBSITE_BASE,
-                settings.lang.get_book_id(),
-                sel_tile.get_book_link_url()
-            ),
-        )
-        .open_in_new_tab(true),
-    );
     ui.label(format!(
         "{} {}×{}×{}",
         localization.translate("tile-popup-coordinates"),