Making decisions can be highly time consuming and often causes uncertainty in the decision maker. In the field tourism this is even more difficult because of the intangible nature of the product and the complex set of interactions between the industry players. Gamification is an technique that online companies have massively started to use in order to drive the decisions that tourists make before, during, and after the consumption of a service. This script breaks down the decision making process into separate phases and describes with concrete examples the best methods to influence buyers at every stage.