diff --git a/applications/battlenet.desktop b/applications/battlenet.desktop
new file mode 100644
index 00000000..ebd83692
--- /dev/null
+++ b/applications/battlenet.desktop
@@ -0,0 +1,11 @@
+[Desktop Entry]
+Type=Application
+Name=Battle.net
+GenericName=Game Launcher
+Comment=Blizzard game launcher (umu-launcher + GE-Proton)
+Exec=omarchy-launch-battlenet
+Icon=Battle.net
+Terminal=false
+Categories=Game;
+StartupNotify=true
+StartupWMClass=battle.net.exe
diff --git a/applications/icons/Battle.net.png b/applications/icons/Battle.net.png
new file mode 100644
index 00000000..a18e41c7
Binary files /dev/null and b/applications/icons/Battle.net.png differ
diff --git a/bin/omarchy-install-gaming-battlenet b/bin/omarchy-install-gaming-battlenet
new file mode 100755
index 00000000..6283b3dc
--- /dev/null
+++ b/bin/omarchy-install-gaming-battlenet
@@ -0,0 +1,91 @@
+#!/bin/bash
+
+# omarchy:summary=Install Battle.net standalone via umu-launcher + GE-Proton (no Steam, no Lutris, no Heroic).
+# omarchy:requires-sudo=true
+
+set -e
+
+PREFIX="$HOME/Games/battlenet"
+LAUNCHER="$PREFIX/drive_c/Program Files (x86)/Battle.net/Battle.net Launcher.exe"
+INSTALLER_URL="https://downloader.battle.net/download/getInstallerForGame?os=win&gameProgram=BATTLENET_APP&version=Live"
+
+echo "Installing Battle.net..."
+
+omarchy-pkg-add umu-launcher
+omarchy-install-gaming-gpu-lib32
+
+# Detect a half-finished prefix from a closed/crashed previous run and offer
+# to wipe it before trying again. Battle.net's installer isn't idempotent.
+if [[ -d $PREFIX && ! -f $LAUNCHER ]]; then
+  echo
+  echo "Found a partial Battle.net install at $PREFIX (no Launcher.exe)."
+  echo "Battle.net's installer can't resume from this state."
+  if gum confirm "Wipe the partial prefix and start fresh?"; then
+    pkill -f "$PREFIX" 2>/dev/null || true
+    sleep 1
+    rm -rf "$PREFIX"
+  else
+    echo "Aborting. Re-run when ready to wipe."
+    exit 1
+  fi
+fi
+
+mkdir -p "$PREFIX"
+
+export WINEPREFIX="$PREFIX"
+export PROTONPATH=GE-Proton
+export GAMEID=umu-battlenet
+export PROTON_VERB=run
+
+if [[ -f "$LAUNCHER" ]]; then
+  echo "Battle.net is already installed at $PREFIX."
+  launched_installer=0
+else
+  cache_dir="$HOME/.cache/omarchy"
+  mkdir -p "$cache_dir"
+  installer="$cache_dir/Battle.net-Setup.exe"
+
+  echo
+  echo "Downloading Battle.net installer..."
+  curl --fail --location --retry 3 "$INSTALLER_URL" --output "$installer"
+
+  cat <<'EOF'
+
+Launching the Battle.net setup wizard. Click through it normally — the
+default install path is fine. When it finishes, Battle.net will be in your
+app launcher.
+
+EOF
+
+  log="/tmp/omarchy-battlenet-installer.log"
+  setsid -f sh -c "umu-run '$installer' >'$log' 2>&1" </dev/null >/dev/null 2>&1
+  echo "Installer log: $log"
+  launched_installer=1
+fi
+
+mkdir -p "$HOME/.local/share/applications" "$HOME/.local/share/icons/hicolor/48x48/apps"
+install -m 644 "$HOME/.local/share/omarchy/applications/battlenet.desktop" \
+  "$HOME/.local/share/applications/battlenet.desktop"
+install -m 644 "$HOME/.local/share/omarchy/applications/icons/Battle.net.png" \
+  "$HOME/.local/share/icons/hicolor/48x48/apps/Battle.net.png"
+gtk-update-icon-cache "$HOME/.local/share/icons/hicolor" &>/dev/null || true
+update-desktop-database "$HOME/.local/share/applications" 2>/dev/null || true
+
+if (( launched_installer )); then
+  cat <<EOF
+
+The Battle.net installer is running in the background. After it finishes,
+find Battle.net in your app launcher, or run:
+
+  omarchy-launch-battlenet
+
+EOF
+else
+  cat <<EOF
+
+Battle.net is installed. Find it in your app launcher, or run:
+
+  omarchy-launch-battlenet
+
+EOF
+fi
diff --git a/bin/omarchy-launch-battlenet b/bin/omarchy-launch-battlenet
new file mode 100755
index 00000000..d7f566eb
--- /dev/null
+++ b/bin/omarchy-launch-battlenet
@@ -0,0 +1,48 @@
+#!/bin/bash
+
+# omarchy:summary=Launch the installed Battle.net client via umu-launcher + GE-Proton.
+# omarchy:args=[--with-mangohud]
+# omarchy:examples=omarchy launch battlenet | omarchy launch battlenet --with-mangohud
+
+set -e
+
+PREFIX="$HOME/Games/battlenet"
+LAUNCHER="$PREFIX/drive_c/Program Files (x86)/Battle.net/Battle.net Launcher.exe"
+
+with_mangohud=0
+for arg in "$@"; do
+  case "$arg" in
+    --with-mangohud) with_mangohud=1 ;;
+    -h|--help)
+      cat <<'EOF'
+Usage: omarchy-launch-battlenet [--with-mangohud]
+
+Options:
+  --with-mangohud   Enable the MangoHud FPS overlay for games launched from
+                    Battle.net. Toggle perf logging in-game with Shift_L+F2;
+                    CSV logs land in ~/mangohud/.
+EOF
+      exit 0
+      ;;
+    *)
+      echo "Unknown argument: $arg" >&2
+      echo "Try: omarchy-launch-battlenet --help" >&2
+      exit 1
+      ;;
+  esac
+done
+
+if [[ ! -f "$LAUNCHER" ]]; then
+  echo "Battle.net is not installed. Run omarchy-install-gaming-battlenet first." >&2
+  exit 1
+fi
+
+env_args=(
+  WINEPREFIX="$PREFIX"
+  PROTONPATH=GE-Proton
+  GAMEID=umu-battlenet
+  PROTON_VERB=run
+)
+(( with_mangohud )) && env_args+=(MANGOHUD=1)
+
+env "${env_args[@]}" umu-run "$LAUNCHER"
diff --git a/bin/omarchy-remove-gaming-battlenet b/bin/omarchy-remove-gaming-battlenet
new file mode 100755
index 00000000..6b311b41
--- /dev/null
+++ b/bin/omarchy-remove-gaming-battlenet
@@ -0,0 +1,39 @@
+#!/bin/bash
+
+# omarchy:summary=Remove Battle.net, its Proton prefix, installed games, and desktop entry.
+
+set -e
+
+PREFIX="$HOME/Games/battlenet"
+
+# Stop any running Battle.net / wine processes tied to this prefix.
+pkill -f "$PREFIX" 2>/dev/null || true
+sleep 1
+
+rm -rf "$PREFIX"
+rm -f "$HOME/.local/share/applications/battlenet.desktop"
+rm -f "$HOME/.local/share/icons/hicolor/48x48/apps/Battle.net.png"
+rm -f "$HOME/.cache/omarchy/Battle.net-Setup.exe"
+gtk-update-icon-cache "$HOME/.local/share/icons/hicolor" &>/dev/null || true
+update-desktop-database "$HOME/.local/share/applications" 2>/dev/null || true
+
+echo
+echo "Battle.net and its Proton prefix at $PREFIX have been removed."
+
+if omarchy-pkg-present umu-launcher; then
+  echo
+  read -rp "Also remove umu-launcher? It's only used by this command. [y/N] " reply
+  if [[ $reply =~ ^[Yy]$ ]]; then
+    omarchy-pkg-drop umu-launcher
+  fi
+fi
+
+PROTON_DIR="$HOME/.local/share/Steam/compatibilitytools.d"
+if compgen -G "$PROTON_DIR/GE-Proton*" >/dev/null; then
+  echo
+  read -rp "Also remove GE-Proton runtimes downloaded by umu? [y/N] " reply
+  if [[ $reply =~ ^[Yy]$ ]]; then
+    rm -rf "$PROTON_DIR"/GE-Proton*
+    rm -rf "$HOME/.local/share/umu"
+  fi
+fi
diff --git a/default/hypr/apps/battlenet.lua b/default/hypr/apps/battlenet.lua
new file mode 100644
index 00000000..13231d07
--- /dev/null
+++ b/default/hypr/apps/battlenet.lua
@@ -0,0 +1,16 @@
+-- Battle.net launches under Proton; all its windows share class steam_app_battlenet.
+
+-- The actual launcher: float-centered.
+o.window({ class = "^steam_app_battlenet$", title = "^Battle\\.net$" }, {
+  float = true,
+  center = true,
+  size = { 1280, 800 },
+})
+
+-- Installer: drop decorations and backdrop blur/shadow so the Blizzard chrome
+-- isn't framed by the WM.
+o.window({ class = "^steam_app_battlenet$", title = "^Battle\\.net Setup$" }, {
+  decorate = false,
+  no_blur = true,
+  no_shadow = true,
+})
diff --git a/default/omarchy/omarchy-menu.jsonc b/default/omarchy/omarchy-menu.jsonc
index 7b626f10..ae420f89 100644
--- a/default/omarchy/omarchy-menu.jsonc
+++ b/default/omarchy/omarchy-menu.jsonc
@@ -179,7 +179,7 @@
   "install.terminal": {"icon":"","label":"Terminal","keywords":"emulator"},
   "install.browser": {"icon":"","label":"Browser","keywords":"web"},
   "install.ai": {"icon":"󱚤","label":"AI","keywords":"dictation ollama lm studio crush"},
-  "install.gaming": {"icon":"","label":"Gaming","keywords":"steam retroarch minecraft lutris heroic"},
+  "install.gaming": {"icon":"","label":"Gaming","keywords":"steam battlenet retroarch minecraft lutris heroic blizzard"},
   "install.windows": {"icon":"󰍲","label":"Windows","keywords":"vm","action":"omarchy-launch-floating-terminal-with-presentation 'omarchy-windows-vm install'"},
   "install.browser.chrome": {"icon":"","label":"Chrome","action":"omarchy-launch-floating-terminal-with-presentation 'omarchy-install-browser chrome'"},
   "install.browser.edge": {"icon":"","label":"Edge","action":"omarchy-launch-floating-terminal-with-presentation 'omarchy-install-browser edge'"},
@@ -215,7 +215,8 @@
   "install.gaming.xbox-cloud": {"icon":"","label":"Xbox Cloud Gaming","action":"omarchy-launch-floating-terminal-with-presentation omarchy-install-gaming-xbox-cloud"},
   "install.gaming.xbox-controller": {"icon":"󰂯","label":"Xbox Controller","action":"omarchy-launch-floating-terminal-with-presentation omarchy-install-gaming-xbox-controllers"},
   "install.gaming.moonlight": {"icon":"󰍹","label":"Moonlight (GameStream)","action":"omarchy-launch-floating-terminal-with-presentation omarchy-install-gaming-moonlight"},
-  "install.gaming.lutris": {"icon":"","label":"Lutris (Battle.net)","action":"omarchy-launch-floating-terminal-with-presentation omarchy-install-gaming-lutris"},
+  "install.gaming.battlenet": {"icon":"","label":"Battle.net","keywords":"blizzard wow overwatch diablo","action":"omarchy-launch-floating-terminal-with-presentation omarchy-install-gaming-battlenet"},
+  "install.gaming.lutris": {"icon":"","label":"Lutris","action":"omarchy-launch-floating-terminal-with-presentation omarchy-install-gaming-lutris"},
   "install.gaming.heroic": {"icon":"󱓟","label":"Heroic (Epic Games)","action":"omarchy-launch-floating-terminal-with-presentation omarchy-install-gaming-heroic"},
   "install.gaming.retro-launcher": {"icon":"󰯉","label":"RetroArch Game Launcher","action":"omarchy-games-retro-install"},
   "install.development.rails": {"icon":"󰫏","label":"Ruby on Rails","action":"omarchy-launch-floating-terminal-with-presentation 'omarchy-install-dev-env ruby'"},
@@ -268,7 +269,8 @@
   "remove.gaming.xbox-cloud": {"icon":"","label":"Xbox Cloud Gaming","action":"omarchy-launch-floating-terminal-with-presentation omarchy-remove-gaming-xbox-cloud"},
   "remove.gaming.xbox-controller": {"icon":"󰖺","label":"Xbox Controller (󰂯)","action":"omarchy-launch-floating-terminal-with-presentation omarchy-remove-gaming-xbox-controllers"},
   "remove.gaming.moonlight": {"icon":"󰍹","label":"Moonlight (GameStream)","action":"omarchy-launch-floating-terminal-with-presentation omarchy-remove-gaming-moonlight"},
-  "remove.gaming.lutris": {"icon":"","label":"Lutris (Battle.net)","action":"omarchy-launch-floating-terminal-with-presentation omarchy-remove-gaming-lutris"},
+  "remove.gaming.battlenet": {"icon":"","label":"Battle.net","when":"[[ -d $HOME/Games/battlenet ]]","action":"omarchy-launch-floating-terminal-with-presentation omarchy-remove-gaming-battlenet"},
+  "remove.gaming.lutris": {"icon":"","label":"Lutris","action":"omarchy-launch-floating-terminal-with-presentation omarchy-remove-gaming-lutris"},
   "remove.gaming.heroic": {"icon":"󱓟","label":"Heroic (Epic Games)","action":"omarchy-launch-floating-terminal-with-presentation omarchy-remove-gaming-heroic"},
   "remove.development.rails": {"icon":"󰫏","label":"Ruby on Rails","action":"omarchy-launch-floating-terminal-with-presentation 'omarchy-remove-dev-env ruby'"},
   "remove.development.javascript": {"icon":"","label":"JavaScript","keywords":"node bun deno"},