Finally fixed the repeating of iwads when launched through the game launcher.

.scripts/yadoom

@@ -19,17 +19,18 @@ is_iwad() {
 iwad_menu() {
     # Extract the Path= lines from the [IWADSearch.Directories] section
     mapfile -t wadPaths < <(sed -n "/^\[IWADSearch.Directories\]/,/^\[/{/Path=/p;}" "$configFile" | cut -d '=' -f 2)
-    declare -a wadList
-    # Loop through each path in wadPaths and find WAD files
+    declare -A uniqueWads
     for i in "${wadPaths[@]}"; do
-        # Use find and append results to wadList array
         if [[ -d "$i" ]]; then
             while IFS= read -r -d $'\0' wad; do
-                is_iwad "$wad" && wadList+=("$wad")
+                if is_iwad "$wad"; then
+                    wad_name=$(basename "$wad")
+                    uniqueWads["${wad_name,,}"]="$wad"
+                fi
             done < <(find "$i" -follow -maxdepth 1 -type f \( -iname '*.wad' -o -iname '*.ipk3' \) -print0)
         fi
     done
-
+    wadList=("${uniqueWads[@]}")
     # Set up the menu
     declare -a wadMenu
     for path in "${wadList[@]}" ; do