{%- assign series_sorted = "" | split: "" -%}

{%- for series in include.series -%}
    {%- assign series_id=series[0] -%}
    {%- assign series_data=series[1] -%}

    {%- if series_id == 'Multi-series' -%}
        {%- continue -%}
    {%- endif -%}

    {%- assign series_sorted = series_sorted | push: series_data -%}
{%- endfor -%}

{%- assign series_sorted = series_sorted | sort_natural: "name" -%}

<ul class="list-group list-group-flush">
    {%- for series in series_sorted -%}
        <li class="list-group-item">
            {%- include series.html series=series -%}
        </li>
    {%- endfor -%}

    <li class="list-group-item">
    {%- include series.html series=site.data.Multi-series games_merged=true -%}
    </li>
</ul>