This special issue includes the extended versions of the papers selected from Cyberworlds 2014 conference, held in Santander, Spain, 6–8 October 2014 (see the URL: http://www.cw2014.unican.es for details). The eight selected papers reflect the great diversity of topics of Cyberworlds 2014 conference as well as the excellent level of its scientific contributions. The first paper, “Interactive Multilevel Focus+Context Visualization Framework”, by Mahmudul Hasan, Faramarz Samavati and Christian Jacob, presents the construction of an interactive multilevel focus+context visualization framework for the navigation and exploration of large-scale 2D and 3D images. This paper was awarded with the Cyberworlds 2014 Best Paper Award during the gala dinner ceremony, held at the Casino of Santander on October 6th 2014. Do not miss the exciting accompanying video, with very illustrative examples about the visualization tool prototype described in the paper. Second and third papers were jointly awarded the Cyberworlds 2014 Distinguished Paper Award. The second paper, “Dynamic Social Formations of Pedestrian Groups Navigating and Using Public Transportation in a Virtual City”, by Francisco Rojas, Fernando Tarnogol and Hyun-seung Yang, introduces a two-level steering system based on two classes (the group agent and the pedestrian agent) to simulate the