Long started playing Champions in 1982, and began writing for the game, starting with articles in the Hero Games house magazine, Adventurers Club, ten years later. He began working in the RPG industry in 1992 as a freelancer for Hero Games. Long wrote the subgenre book Dark Champions in 1993, as well as several additional Champions sourcebooks to support it.:150 Long authored The Ultimate Martial Artist (1994) and The Ultimate Mentalist (1996) as the first two books in a line conceived of by Steve Peterson as sourcebooks that could be used with all of the genres of the Hero System.:150 Other works included Justice Not Law, An Eye for an Eye, Watchers of the Dragon, and articles for Adventurers Club, The HERO System Almanacs, and similar publications. He soon branched out into working for other game companies, such as White Wolf Publishing.
In 1997, Long quit his job as a practicing trial lawyer to write and design games as a freelancer. Gold Rush Games hired Long to write a fifth edition of the Hero System, which he finished in July 1999, turning it in to Hero Games because of the changing relationship between the two companies at the time.:151 During this time, he wrote for numerous companies, including White Wolf Publishing, Pinnacle Entertainment Group, Steve Jackson Games, Last Unicorn Games, and Chameleon Eclectic. Long joined the developers working for Last Unicorn Games on the "Icon system" for their line of licensed Star Trek role-playing games; to get the Star Trek: The Next Generation role-playing game ready for GenCon 31, Long was flown out to Los Angeles for two weeks. After the design of Icon was done, Long was made the line developer for the Star Trek: Deep Space 9 role-playing game, and by 1999 he had become a full-time employee of Last Unicorn Games.:315 In June 2000, Wizards of the Coast (WOTC) bought Last Unicorn Games.:316–317
He had worked as a designer for WOTC, working on role-playing games including The Wheel of Time. After leaving WOTC in December 2000, Long was hired by Decipher, Inc. to work on its new Star Trek and Lord of the Rings role-playing games, the latter winning the 2002 Origins Award for Best Role-playing Game. All told, as of late 2001, Long had written, co-authored, edited, or developed over 70 RPG products.
In December 2001, he founded DOJ, Inc. along with Darren Watts and other investors, and purchased the rights and assets of Hero Games from Cybergames, Inc.:151–152 From 2001 until 2011, Long served as the HERO System Line Developer, during which he wrote and edited over 100 supplements for the Hero System RPG, including the Hero System Fifth Edition in April 2002:152 and the Hero System Sixth Edition in June 2011. In addition to being an owner of DOJ/Hero, Long's duties as Line Developer:152 include planning, writing, editing, and developing manuscripts for publication. He also runs a section on the HERO Games Forums, where people can post questions in a section where only Steve Long can reply, thus ensuring accurate responses.
Currently, Long is publishing more HERO System material as a licensee under his Elvensong Street Press imprint.
- "He Is The Champion", interview by Will Hindmarch, 17 June 2008, The Escapist magazine.
- Long, Steve (2007). "Shadowrun". In Lowder, James (ed.). Hobby Games: The 100 Best. Green Ronin Publishing. pp. 273–275. ISBN 978-1-932442-96-0.
- Shannon Appelcline (2011). Designers & Dragons. Mongoose Publishing. ISBN 978-1-907702-58-7.
- "List of Winners; Presented at Origins 2003" Archived 2008-05-14 at the Wayback Machine, Academy of Adventure Gaming Arts and Design.
- Long, Steven. "Writer, Game Designer, Young Curmudgeon". Retrieved 2 December 2013.