Marcellus Castelino is a software engineer at Adobe Systems. Marcellus has been with Adobe Captivate team for more than two years and has been developing Interactions for Captivate and Presenter. He has worked extensively on creating eLearning gaming interactions, such as Millionaire, Memory game, Catch The AlphaNums, and many more for Captivate. He holds a master’s degree in electronic media (education) and a bachelor’s degree in visual communication from Bharathiar University Coimbatore. Marcellus has more than eight years of experience in eLearning course development, LMS hosting and management, and eLearning games and Interactions development.