Within Game Mechanics you will find information regarding Achievements and what they are. Landmarks, where you can buy them and what they are. Furthermore there is information on the Treasury, where it too is located and the types of resources you can purchase for Battle Islands, along with other methods of obtaining resources from events like the Supply Chain, which it too has a page dedicated with information about the event.
Other crutcial information regarding Islands, what they are, how many there are and costs for them can also be found here within Game Mechanics. Finally there is also details about Camouflage and how the system works and the lengths of Camouflage available.