Event synchronization in an online game is disclosed. A central computing device sends event information that identifies an event and an event depiction timestamp that identifies a future time at which to depict the event to a plurality of computing devices that are time synchronized with one another. The central computing device receives, from a first set of computing devices, a set of first messages, each first message including action information that identifies a user input received by a corresponding computing device and an action timestamp that identifies a time at which the user input was received by the corresponding computing device. Based on the action timestamps and the user inputs in the set of first messages, a next event to be depicted is determined, and next event information that identifies the next event is sent to the plurality of computing devices.