42 Providing temporary use of non-downloadable games software via a website; providing temporary use of non-downloadable on-line educational games software; providing temporary use of non-downloadable games software to facilitate education and assessment in the primary and secondary education sectors; providing on-line non-downloadable software for teaching in the primary and secondary education sectors; Platform as a Service [PaaS] featuring computer software platforms for playing educational games; Software as a Service [SaaS] services featuring game based educational software; Software as a Service [SaaS] services featuring game-based educational software in the fields of mathematics, geometry, algebra, English language and literacy; providing temporary use of non-downloadable software which produces reports, based on users' engagement with computer games, about those users' usage, performance, competence, grade level and educational standard; providing temporary use of non-downloadable games software which permits the setting of challenges for, and the granting of prizes to, participants; educational assessment services in the primary and secondary education sectors