Masek, L.; Westborg, J.; Gonzalez Cohens, D.; Pop, Șerban M.; Baird, J.; Lukka, L.; Bowman, S. L.; Särkijärvi, J.; Dashiell, S.; Hartyándi, M.; Zheng, P.; Hermann, A.; Sturrock, I.; Stenros, J.; García-Soriano, F.; Pomposini Tabja, A.; Fernández Galeote, D.; Mizer, N. J. IJRP Full Issue 18 -- Special Issue on Foundational Approaches and the Role-Play in Games Conference. IJRP 2026, 1-150.