Reunanen, Markku, Tero Heikkinen, and Anders Carlsson. “PETSCII – A Character Set and a Creative Platform”. Replay. The Polish Journal of Game Studies 5, no. 1 (November 22, 2019): 27-47. Accessed June 1, 2020. https://czasopisma.uni.lodz.pl/Replay/article/view/5930.