Frontier has released a brand new update for Jurassic World Evolution. According to the developers, update 1.4 is full of new features such as a Challenge Mode, which allows you to play through the story with limited money and additional difficulties, as well as new and highly requested Sandbox features such as lifespan and feeder resupply toggles.
Source: N4G PC Jurassic World Evolution Update 1.4 now available for download, full patch release notes unveiled