Christmas Dash added.

.install/Christmas Dash.sh

@@ -0,0 +1,9 @@
+check_architecture x86_64
+get_installer "christmas_dash_linux.zip" "https://tunmi13.itch.io/christmas-dash"
+unzip -d "${installPath}" "${cache}/christmas_dash_linux.zip"
+if [[ -d "${installPath}/Christmas Dash/christmas_dash_linux" ]]; then
+    rm -rf "${installPath}/christmas_dash_linux"
+    mv -v "${installPath}/Christmas Dash/christmas_dash_linux" "${installPath}/christmas_dash_linux"
+    rmdir "${installPath}/Christmas Dash" 2> /dev/null || true
+fi
+chmod +x "${installPath}/christmas_dash_linux/game.bin"

.launch/Christmas Dash.game

@@ -0,0 +1,12 @@
+gameDir="${installPath}/christmas_dash_linux"
+gameExecutable="${gameDir}/game.bin"
+if [[ ! -d "$gameDir" ]]; then
+    ui_msgbox "Linux Game Manager" "Linux Game Manager" "Christmas Dash is not installed."
+    return 1
+fi
+if [[ ! -x "$gameExecutable" ]]; then
+    ui_msgbox "Linux Game Manager" "Linux Game Manager" "Unable to find ${gameExecutable}."
+    return 1
+fi
+pushd "${gameDir}"
+"${gameExecutable}"