background on the front cover [2019]). 23rd Century Productions, LLC now produces the newest version of the game and distributes the prior versions of the game. Supplements: Pre-7th EditionBattlelords of the Twenty-Third Century has several supplemental books that further delve into the races and the universe. Some expand on the matrix abilities of the various races or add extra skills, others go into detail behind a race's past and customs. None of these books are required but they expand on the game providing depth, location, and motive for a player to draw upon.Galactic Underground I (GU1), by Doug Nelson, Benjamin Pierce, & Lawrence R. Sims. - Rules expansion (introduces the Goola-Goola, Kizanti, and I-Bot races) Galactic Underground II (GU2), by Benjamin Pierce & Lawrence R. Sims. - Rules expansion (introduces the Andromeni, Ashanti, Fott, Furbl, Gemini, Ikrini, and Jezzadei races)Galactic Underground III (GU3), by Louis Norton, Tony Oliveira, Michael Osadciw, Benjamin Pierce, Christen Roberts, Lawrence R. Sims, Kevin Taufner, Aaron Thies, Scott Tulleners, & Nick Vasi. - Rules expansion (provides background information on careers in the corporate sector, Alliance military, or Alliance intelligence services). Uncle Ernie's Minions of Doom (UEMD), by Lawrence R. Sims, Ben Pierce, Doug Nelson, Geoff Wheeler, & Nick Vasi. - Uncle Ernie's "toys" - bioengineered horrors.No Man's Land (NML), by Lawrence R. Sims, Doug Nelson, Benjamin Pierce, Louis Norton, & Geoff Wheeler. - Space Atlas (Sector 3, Quadrant 1, Fornax Galaxy).Hell's Kitchen (HK), by Lawrence R. Sims. - Planetary Atlas (Hell's Kitchen: Sector 3, Quadrant 1, Fornax Galaxy).Lock-N-Loaded: Armor, Equipment, Cybernetics (LnL:AEC), by Lawrence R. Sims. - Gear catalog.Lock-N-Loaded: Weapons and Tactics (LnL:WnT), by Lawrence R. Sims. - Weapons catalog.Lock-N-Loaded: Reloaded (LnL:R), by Tony Oliveira. - Weapons catalog.Beyond the Rift (BtR), by Tony Oliveira. - Space Atlas (The Motaran Rift).Condemned, by Benjamin Pierce. - NPCs sourcebook.Engines of War (EoW), by Dr. Louis Norton. - Vehicles and power armor catalog. (introduces vehicle combat rules)Silent Wars by Harry L. Heckel IV (2012) - The Rebellion sourcebook. An alternate campaign setting in which the characters oppose the Alliance and its influence (introduces the Zzzwhir race). Modules There have also been two modules written for Battlelords of the Twenty-Third century. These modules were written for new players to get the party together and introduce everyone to the life of a mercenary.Do Not Be Alarmed: This is Only a Test (1992) - The characters are recruited by a private mercenary corporation.