Figure 1: We explore HiddenPursuits, where the trajectory of a moving target is partially hidden while users perform selections via smooth pursuit eye movements. This allows (1) expanding selection areas by enabling targets to move out of the bounds of small displays (e.g., mobile devices and smartwatches), and (2) selection of targets even if they are partially occluded (e.g., in VR). In our user study, we hid 0%, 25%, 50% and 75% of the target's (fish) trajectories, and measured how well eye movements correlate with the anticipated target's trajectory. Arrows are for illustration and were not displayed.