This is a really nice script that will help you automate everything. You can simply AFK and the script will do everything. Auto buying upgrades for the island and upgrading the penguins. In 1h you can have ur income over 1.5k or much more
loadstring(game:HttpGet("https://raw.githubusercontent.com/xAlphy/Penguin-Tycoon/main/Auto%20Complete%20Game.lua", true))()