Ultimatum is a game with a turn-based battle system where players take turns sequentially to win in a specific task depending on the game's mode and map scenerio. (Some maps support different modes and scenerios) The players in most modes usually have to fufill a common goal. For more information on game modes, look at the Game Modes section.

Once the game has started, you will see the game's map. A menu will pop up of what your scenario and mode objectives are. Depending on what mode the host of the game has picked, different objectives will be shown and will also need to be met to win or lose the game. For example, in the "War" mode, the winner is decided on which player (or team) is the last one to survive with their leader. Immediatly after, the turns will start. The turns start in order of the players shown in the Game Lobby. You will also receive an on-screen display that will show important information.