When Sigma game developers want to add new features to the game, they decide to update it. They spend a lot of time brainstorming before adding any new feature to the game. So, when they are done adding new features, they update the game.
When a new update comes with new features, you must need to update the game. You’ll receive a notification to update the game. After receiving the update notification you need to follow this step-by-step guide on how you can update the game.