Found any facts or articles that are in Japanese, then send them to shmuplations.com!

[ProtoSnake]

An update for this Month's November:

http://shmuplations.com/spaceharrier/
Space Harrier – Developer Interview Collection, originally featured in SH 30th Anniversary book and BEEP!
Space Harrier – 1996 Developer Interview, originally featured in Sega Saturn Magazine
Space Harrier – 1986 Developer Interview, originally featured in the 2/86 edition of BEEP
Space Harrier – 1986 Composer Comments with composer Hiroshi Kawaguchi; originally featured in BEEP

http://shmuplations.com/snkgoldenage/
Ikari Warriors, Guerilla War, and The SNK Golden Age, originally featured in the 3/01 issue of CONTINUE magazine

http://shmuplations.com/yasunorimitsuda/
Yasunori Mitsuda – 2003 Composer Interview, originally featured in game hihyou magazine
Yasunori Mitsuda – 2003 Composer Interview, originally found at the GSLA archive

http://shmuplations.com/yasuhikofujii/
Yasuhiko Fujii – 2007 Developer Interview, originally featured in the book “game shokunin vol. 1”
Additional Super Metroid trivia from Yasuhiko Fujii, originally shared on his mixi.jp site