Welcome to the second volume of the reader on Pervasive Gaming Research! With this volume we focus mainly on actual implementations and prototypes of Pervasive Games. The foundations, both in technical and conceptual terms, were laid in the first volume. Now, we apply these foundations to real Pervasive Games and explore the issues related to actually realizing such Pervasive Games. Clearly, the combination of virtual, physical, and social aspects in Pervasive Gaming contributes to a new complexity in game design, since games are no longer confined to the narrowness of a computer screen, but integrate with our real environments that consist of many things beyond our control.With these twelve chapters we hope to inspire interested readers to start developing or researching Pervasive Games and to take this volume as a source of stimulation that allows following the experiences of the contributing authors. Similar to the first volume, many of the applications featured in this book were initially discussed and improved among peers at a series of scientific symposia called PerGames. PerGames is an excellent opportunity to meet the people behind Pervasive Games and to join a growing community of future gaming innovators. Please check the website at www.pergames.de.