SAMI is a video game for learning about bovine cattle production systems. The game is developed with Unity Engineandhas rules based on a model implemented with System Dynamics. On each game, the player must take decisions and do actions that allow him to properly run afarm. Those actions are stored in a website which provides feedbackby comparing the executed actions with those which are ideal in order to ease the learning process. The article presents the main aspects of the proposal;that is, part of the model in which it is supported and a summary of the main aspects of implementation in Unity.