The Arks is way, way easier than the main game, but what’s hard is gathering enough resources fast enough for both towns to survive.
Also I don’t know what’s the deal with the steelworks but the top one refuses to produce anything. It’s activated, but it turns without producing anything. It’s the same whether I use people or an automation. As for the bottom one, it keeps telling me it has no road even though there is a road RIGHT THERE!