diff -ruN a/src/conf.lua b/src/conf.lua
--- a/src/conf.lua	2026-11-05 23:59:26.143539715 -0300
+++ b/src/conf.lua	2026-11-06 00:03:46.323044668 -0300
@@ -1,13 +1,13 @@
 function love.conf(t)
     t.version = '11.4'
-    t.window.fullscreen = true
+    t.window.fullscreen = false
     t.window.title = 'The Return of the Rogue'
     t.window.resizable = true
 
     t.window.vsync = true
 
-    t.modules.audio = false
-    t.modules.data = false
+    t.modules.audio = true
+    t.modules.data = true
     t.modules.event = true
     t.modules.font = true
     t.modules.graphics = true
@@ -17,7 +17,7 @@
     t.modules.math = true
     t.modules.mouse = true
     t.modules.physics = false
-    t.modules.sound = false
+    t.modules.sound = true
     t.modules.system = true
     t.modules.thread = false
     t.modules.timer = true
diff -ruN a/src/death_screen.lua b/src/death_screen.lua
--- a/src/death_screen.lua	2026-11-05 23:59:26.153160289 -0300
+++ b/src/death_screen.lua	2026-11-05 23:59:26.196532252 -0300
@@ -24,12 +24,6 @@
                 local GameScreen = require('game_screen.game_screen')
                 globals.screens:replace_top(GameScreen.new())
             end
-        },
-        {
-            text = 'Quit',
-            activate = function()
-                love.event.quit()
-            end
         }
     }
     self.current_item = 1
diff -ruN a/src/ui_scaled.lua b/src/ui_scaled.lua
--- a/src/ui_scaled.lua	2026-11-05 23:59:26.152935157 -0300
+++ b/src/ui_scaled.lua	2026-11-05 23:59:26.196371830 -0300
@@ -1,17 +1,7 @@
 local function screen_size()
-    local width, height, flags = love.window.getMode()
-
-    if not flags.fullscreen then
-        love.window.setFullscreen(true)
-    end
-
-    local fullscreen_width, fullscreen_height = love.window.getMode()
-
-    if not flags.fullscreen then
-        love.window.setMode(width, height, flags)
-    end
-
-    return fullscreen_width, fullscreen_height
+    -- Web build: do not switch to fullscreen just to measure the screen.
+    local width, height = love.window.getMode()
+    return width, height
 end
 
 local function guess_scale_factor()