Where are the secrets in pizza clicker?

In Pizza Clicker, secrets can often be found through various hidden upgrades, achievements, or Easter eggs that players can discover by clicking on specific items or fulfilling certain conditions. Some secrets might involve unlocking unique toppings or reaching specific milestones in the game. Engaging with the community through forums or guides can also reveal tips on uncovering these hidden features. Exploring the game thoroughly is key to finding these secrets.