You can nab Kingdoms and Castles on the cheap until June 29, as the base game is 40% off at $8.99 while the complete edition bundle, which comes with the Parks and Statues update, ...

While Kingdoms & Castles was crowdfunded, Nova Roma will be published by Hooded Horse. You can find Kingdoms and Castles on Steam, where it's $15, or 40% at $9 until June 29th, 2023.