Endless mode is kinda hard with 8 horsemen raiding you after 5-10 mins

Im at 63min into endless mode and the lag is absurd

Subj

Seems impossible to get 25k iron in a single game. I survived for around 70 minutes in the Survival mode but still only got around 13k I believe. Iron is hardly spent on anything. I tried building a lot of walls and placing archers on them, destoying the walls and placing the archers again but with constant hoardes arriving it went downhill quickly. Spamming spearmen hardly helps either since they require little iron too. If only you could choose difficulty for the surival mode... I wish I could have a...

I lasted 67 minutes and things were still going pretty well, but the game crashed, so I don't get a score :(