**3.1. Adera**

Adera is a story-driven adventure game that involves a single player; it allows to solve puzzles, collect artifacts, and explore the environments to reveal the mysteries of a newfound civilization. The episodic story involved begins when the player receives a message from a missing person known as the grandfather (Hawk). The game involves some cognitive processing on the part of the user. The user interacts with the first episode, while his eye movement was taken.

#### **3.2. Yahoo webpage**

The Yahoo homepage is a very popular site where most regular users frequent for currents news and entertainment widgets. The user was simply asked to locate news or entertainment contents that were of interest and interact with while the physiological measures were taken.
