1 Serpent Isle: Original Design March 25, 2013 by WtF Dragon · Published March 25, 2013 · Last modified October 23, 2023
1 Ultima Online 2: Technical Design Document August 11, 2013 by WtF Dragon · Published August 11, 2013
1 Ultima 6 Technical Documents May 29, 2021 by WtF Dragon · Published May 29, 2021 · Last modified October 23, 2023