Also of value https://archive.org/details/sega-developers-conference-conference-proceedings-march-5-7-1996 https://retrocdn.net/File:DevCon96_ConferenceProceedings.pdf DevCon '96 was a Sega developers conference. Lots of technical information for aspiring programmers, but also... localisation! https://archive.org/details/sega-de...proceedings-march-5-7-1996/page/n312/mode/1up Details on some of the choices SoA made to their games when localising for Japan (and PAL regions). And with it, an answer to the old question of difficulty: In Bug's case, they increased health and lives on normal mode, resized some collision boxes and added more checkpoints, among other things. It also tells you Sega's analysis of European markets. Whoa slow down there. Swedish Pico games. That's something to look out for.