1. A method, comprising operations of: displaying a virtual game space for an online game in a web browser, wherein the virtual game space is associated with a first player of the online game and includes a first terraformed feature created by the first player; allowing a second player to access the virtual game space; receiving a modification from the second player, wherein the modification changes the first terraformed feature into a second terraformed feature; and displaying the virtual game space with the modification, wherein the second terraformed feature returns to the first terraformed feature after a duration, wherein at least one virtual object is associated with each of the terraformed features and wherein each of the operations is executed by one or more processors.