The demo has been updated to version 0.1.3! Here's the changelog :

Features

• it is now possible to conquer foreign cities
• drag and drop in workers window
• "continue" button on main menu 
• key rebindings

Balance

• height malus/bonus dmg more impactful
• "Support fire" now only works once per attack

QoL

• control tooltip (can be toggled in the options)
• the volume sliders don't have step anymore
• confirm window when declaring war
• some small UI improvements