HârnMaster is the best fantasy roleplaying system I've ever GM'ed. However, even the best systems need a few additions, deletions and alterations - House Rules - to tweak them to suit each and every gaming group. The following are some House Rules that I use (or have used) when running my campaigns.

HârnMaster 3rd Ed. House Rules		HârnMaster Advanced Rules
HârnMaster Gold House Rules		HârnWorld Articles
HârnMaster Core House Rules		HârnMaster Archives
GunMaster		JuggerMaster

Note that most of my House Rules are in PDF format. You will need the latest version of Adobe Acrobat Reader (which is free) to read them. There are also a number of files that have been bundled into a single ZIP file, which can be opened using 7-Zip (which is also free). A few others are in Microsoft Excel Workbook (.XLS) format because they perform calculations - you will need Microsoft Excel (which isn't free) version 2002 or later to use them.

Edition notes:

HârnWorld (HW) refers to the second edition medieval fantasy environment for Hârn, for use with any rule system, published by Columbia Games Inc., © 1983, 1990 N. Robin Crossby and Columbia Games Inc.
HârnMaster (HM1) [o.p.] refers to the first edition rules published by Columbia Games Inc., © 1986 N. Robin Crossby and Columbia Games Inc.
HârnMaster Core Rules (HMC) [o.p.] refers to the second edition rules published by Columbia Games Inc., © 1986, 1996 N. Robin Crossby.
HârnMaster Gold (HMg) refers to the second edition rules self-published by N. Robin Crossby, © 1986, 2003 N. Robin Crossby. This version is the official rules set supported by Keléstia Productions.
HârnMaster Third Edition (HM3) refers to the third edition rules published by Columbia Games Inc., © 1986 - 2003 N. Robin Crossby and Columbia Games Inc. This is the official rules set supported by Columbia Games, Inc.
HârnMaster Advanced (HMA) is essentially the HM3 rules but tweaked considerably with my house rules and some gems salvaged from HMG. This is the rules set that I use in my campaigns.

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Name	Format	Date	Size
Bill Gant's HM3 Armour Profiles   Armour calculator for up to 16 HM3 characters, with over 75 preset profiles for armouring characters fast! Includes an armour profiles summary and a Stats & Combat Sheet to help GMs monitor the condition of up to 16 (N)PCs at once. Also includes dynamic illustrations by Richard Luschek. Key contributors: Arthur Reyes & Thorvald Neumann.	ZIP (XLS)	Sep 2004	913 KB
HM3 Armour Profiles - Trobridge Inn NPCs Trobridge Inn NPC pack to help speed up combat. This is a GM-only supplement to the published module and it utilises the HM3 Armour Profiles. Heraldry by Matthias Janßen.	ZIP (XLS)	Aug 2004	1,358 KB
HM3 Character Sheet for Excel Standard HM3 Character and Combat Profiles in Excel format.	XLS	May 2004	73 KB
Joust Tactics Cards A set of cards to be used for Jousting. The cards allow each jouster to select a jousting tactic and play it face-down. Selections are revealed to determine joust outcome. Supplement to the Jousting rules in HârnMaster Third Edition.	PDF	Jan 2004	665 KB
Tournament Events Article containing HM3 rules for running events at tournaments. Supplement to the Jousting rules in HârnMaster Third Edition.	PDF	Jul 2003	78 KB

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Name	Format	Date	Size
Bill Gant's HMA Character Profile    More than just a character sheet! It keeps track of your character's attributes, skills, injuries, equipment, weapons, armour, steeds, pets, ritual invocations, spells and more! Includes a detailed manual.	ZIP (XLS, PDF)	Mar 2008	816 KB
Jimmy Jutwreten's Modified HMA Character Profile HMA Character Profile modified and improved by Jimmy Jutwreten.	ZIP (XLS)	Oct 2007	398 KB
Bill Gant's HMA Character Profile - Linear Armour Layering For those who want to use the HMA Character Profile but with the traditional linear armour layering rules...	ZIP (XLS)	Oct 2007	401 KB
HMA Character Profile - Lerudus the Messenger & Sir Eamyt Tolone Sample NPC Shek-Pvar and knight-bachelor to show how the HMA Character Profile can be used.	ZIP (XLS)	Oct 2007	819 KB
HMA Skill List A complete skill list for HMA, including suggested specialties.	XLS	Aug 2005	43 KB
HMA Weapon Data Expanded list of melee and missile weapons for use under HMA rules. Includes exotic weapons such as spiked bills and 1,200lb crossbows!	ZIP (XLS)	Jun 2005	74 KB
Bill Gant's HMA Armour Profiles   Armour calculator for up to 16 HMA characters, with over 75 preset profiles for armouring characters fast! Includes an armour profiles summary and a Stats & Combat Sheet to help GMs monitor the condition of up to 16 (N)PCs at once. Also includes dynamic illustrations by Richard Luschek. Key contributors: Arthur Reyes & Thorvald Neumann.	ZIP (XLS)	Jan 2005	924 KB
HMA GM Screen GM Screen with all essential tables and matrices required for HârnMaster Advanced. Intended to be printed in colour and attached over an existing GM screen.	PDF	Jan 2005	403 KB
HMA Generic Armour Profiles Generic armour profile summaries for 36 armour configurations ranging from unarmoured to heavily armoured.	ZIP (PDF)	Jul 2004	191 KB
HMA Armour Types Summary of the different types of garments/armour available for each material type. A useful aid for quickly looking up the weight and price of clothing/armour at a Clothier's, Hideworker's or Weaponcrafter's workshop.	ZIP (XLS)	Jul 2004	192 KB

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Name	Format	Date	Size
Bill Gant's HMg Character Profile    More than just a character sheet! It keeps track of your character's attributes, skills, injuries, equipment, weapons, armour, steeds, ritual invocations, spells and more! Includes a detailed manual.	ZIP (XLS, PDF)	Oct 2007	699 KB
HMg Character Sheet for Excel Standard HMg Character and Combat Profiles in Excel format.	XLS	Jul 2004	46 KB
HMg House Rules - Combat Version 1.9.	PDF	Oct 2002	177 KB
Weapon Class: Open vs. Close Mode Version 1.0.	PDF	Jun 2002	45 KB
HMg Armour Profiles - Knights ('Corrected') Armour profiles for 16 knights. This version uses 'corrected' Ring and Scale stats. Illustrations by Richard Luschek.	ZIP (XLS)	Apr 2002	819 KB
HMg Armour Profiles - Knights Armour profiles for 16 knights. Illustrations by Richard Luschek.	ZIP (XLS)	Apr 2002	819 KB
HMg Armour Profiles ('Corrected') Sixteen blank armour profiles. This version uses 'corrected' Ring and Scale stats. Illustrations by Richard Luschek.	ZIP (XLS)	Apr 2002	804 KB
HMg Armour Profiles Monitor up to 16 armour profiles at once. Illustrations by Richard Luschek.	ZIP (XLS)	Apr 2002	805 KB
HMg House Rules - Character Version 1.1.	PDF	Dec 2001	123 KB
HMg House Rules - Skills Version 1.1.	PDF	Nov 2001	117 KB
HMC vs. HMg Basic Combat - A Comparison An in-depth comparison between the two systems.	ZIP (PDF)	Nov 2001	763 KB
Alternative Missile Combat System An alternative to HMg's missile combat system (v1.1).	PDF	Oct 2001	190 KB
Brute Force & Ignorance - Common Objects A list of obstacles against which to use BF&I.	PDF	Apr 2001	12 KB
Monster Leather for HMg Using a monster's hide as armour (v1.1). Co-written by Timo Hanschke.	PDF	Jan 2001	16 KB
Skill Specialisation A comparison between HM1, HMC and HMg.	PDF	Feb 2000	20 KB

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Name	Format	Date	Size
Kethira Data for WeatherMaster World data for Milieu Simulations' WeatherMaster - uncompress this into the Milieu\WeatherMaster\Data folder. Also includes world map.	ZIP (MDB, JPG)	Apr 2004	430 KB
Olokand Castle Article detailing Olokand Castle, its environs and the annual tournament that takes place there. The Royal Chelebin Tournament of Chivalry and tournament adventure scenario written by Bill Gant. Official Hârn product (#5618). US$19.99.	Print Only	Mar 2003	n/a
Tournaments Article detailing Hârnic tournaments, written by Bill Gant. Official Hârn product (#4721). US$8.99 (Note: Jousting rules, also written by Bill Gant, are found in HârnMaster Third Edition).	Print Only	Jan 2003	n/a
Collective Nouns for the Hârnic Bestiary A light-hearted look at what to call any particular group of Hârnic beasts.	HTM	Oct 2002	7 KB
The Royal Chelebin Tournament 2001 Archive of the great jousting contest held at Auran's site in late 2001.	HTM	Feb 2002	41 KB
Bravardion, Demigod of Adventure Illustration by Richard Luschek.	HTM	May 2001	3 KB
Price List Adaptation from HM1 by Bill Gant, graphics design by Patrick Nilsson, artwork by Eric Hotz.	PDF	Apr 2000	310 KB
Balgashang Summary information on Agrik and his flaming fortress.	HTM	Nov 1998	5 KB
Hiring PCs What's the going rate for hiring adventurers?	PDF	Mar 1997	10 KB
Western Hârn Timeline 700-720 TR Timeline for Kanday, Rethem and Tharda.	PDF	Feb 1997	24 KB
Hârn Map of Hârn.	HTM	Apr 1995	4 KB

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Name	Format	Date	Size
HMC Armour Types Listing of all garments available for each type of armour.	ZIP (XLS)	Dec 2002	178 KB
Bill Gant's HMC Armour Profiles Armour calculator for up to 16 HMC characters, with over 75 preset profiles for armouring characters fast! Includes an armour profiles summary and a Combat Sheet to help GMs monitor the condition of up to 16 (N)PCs at once. Key contributors: Arthur Reyes & Jim Lassiter.	ZIP (XLS)	Nov 2002	657 KB
More House Rules - Combat Version 2.2. Add-on for Bill Gant's HârnMaster House Rules v3.2.	PDF	Aug 2002	278 KB
HMC vs. d20 Basic Combat - A Comparison An in-depth comparison between the two systems. Co-written by Takeda Mataroshi.	ZIP (PDF)	Jan 2002	952 KB
Advanced Missile Combat System Enhancements to HMC's missile combat rules.	PDF	Nov 2001	236 KB
HMC vs. HMG Basic Combat - A Comparison An in-depth comparison between the two systems.	ZIP (PDF)	Nov 2001	763 KB
Monster Leather for HMC Using a monster's hide as armour (v1.1). Co-written by Timo Hanschke.	PDF	Jan 2001	13 KB
Missile Strike Location Table A more "realistic" strike location table for missiles (v1.1).	PDF	Jun 1999	13 KB
Heavy Weapons Massive weapons for really strong warriors (v2.1).	PDF	Dec 1998	61 KB
Weapon Damage Modifiers Weapon Damage checks modified by relative mass (v1.2).	PDF	Dec 1998	11 KB
NPC Combat Cards 100 assorted Combat Profiles (for HMC and BattleLust) for random encounters.	PDF	Aug 1998	203 KB
Combat Cards (Cavalry) Blank Combat Profiles (for HMC and BattleLust) for mounted characters.	PDF	Jul 1998	19 KB
Combat Cards (Infantry) Blank Combat Profiles (for HMC and BattleLust) for characters on foot.	PDF	Jul 1998	18 KB
Value Enhancement Tables Just what does a value of 2.0 mean, anyway? (Adaptation from Chivalry & Sorcery).	PDF	Jun 1998	34 KB
Curses A resource for the GM to curse characters "on the fly" (adaptation from Chivalry & Sorcery).	PDF	Jun 1998	10 KB
Bill Gant's HârnMaster House Rules v3.2   A must-have GM resource for HMC!	PDF	Jun 1998	306 KB
Miscellaneous Font Pack #2 A must-have collection of Hârnic fonts.	ZIP	Dec 1997	120 KB
NPC Generator Random character generator for HMC.	XLS	Jun 1997	94 KB
Levels-to-Points Conversion System Fatigue / Injury / Bloodloss Levels to Points.	PDF	Sep 1996	14 KB

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Name	Format	Date	Size
Skorth-Ra Rare Ivashu for the HM1 Bestiary.	PDF	Jun 1996	78 KB
The Foulspawner Gargun Generator for HM1.	XLS	Apr 1996	92 KB
Falling Damage It's not the fall that hurts, it's the sudden stop.	PDF	Sep 1995	15 KB
The Riddlemaster of Anrist Point Adventure module.	PDF	Sep 1995	34 KB
Contain Common / Neutral Multi-Level Spell.	PDF	Jun 1995	7 KB
The Numec of Hepekeria Numec Character Rules for HM1.	PDF	Nov 1994	32 KB
Miscellaneous Font Pack #1 A collection of assorted fonts.	ZIP	Sep 1994	476 KB
Genin's Paper Trail #1 Bill's attempt at a "quarterly" newsletter.	PDF	Sep 1994	128 KB
More Monsters More additions to the HM1 Bestiary.	TXT	Oct 1993	15 KB
Exotic Weapons of Hârn New additions to the armoury.	PDF	Aug 1993	54 KB
Divine Retribution Curses for when the gods are angry.	PDF	Mar 1993	30 KB
Midgaad Midgaadian Character Rules for HârnMaster II (conversion from M.E.R.P.).	TXT	Nov 1992	49 KB
Sherem Sheremi Character Rules for HârnMaster II (conversion from Skyrealms of Jorune).	TXT	Nov 1992	45 KB
Terra Terran Character Rules for HârnMaster II (adaptation from Frank Herbert's Dune).	TXT	Nov 1992	38KB
How to Create a HârnMaster II Character in 55 Easy Steps! Supplement to HârnMaster II.	TXT	Nov 1992	48KB
HârnMaster II Cover Art Illustration by Matt Jones.	HTM	Nov 1992	3 KB