Circle is reset Square is non reset, diamond is unique smaller layers are sub-layers, like a tab inside the layer. Change the different endgames, and add one or two layers, one layer and a new meta-layer (layers outside the tree), or a new feature. The different endgames depend on how dedicated players are to the game. Sun - Can act as the balancer, balancing out inflation, and also has ranks that reset the tree but adds new stuff