House rules are small fan created additions and replacements to core rules in a rules set. In most cases, they are not officially sanctioned by the designer, in contrast to optional rules. For substantial new material and rules subsystems, use the [homebrew] tag instead.

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How to address Damage/Toughness bias in M&M Tradeoffs

The Basic Problem Right, Mutants and Masterminds is a True20 system where everything is resolved via rolling a d20. Attacks are made by rolling a d20 and adding the attack bonus, trying to match or ...
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What class features or items can be given to a fighter in Dungeons and Dragons 4e to allow him to parry as his mark punishment?

In a game I am in, the DM wants to encourage the fighter, who is a very reluctant defender to more actively defend. The fighter is built on the "gentleman adventurer" lines, and the DM has expressed ...
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Penalties to running long distances outside of combat?

I'm running a game with a couple of friends, one of which is a druid with a base speed of 8, and the party has hired some horses (speed 10) but almost lost one in combat as an enemy tried to escape on ...
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Is there a penalty for rolling consecutive tens?

In 2nd edition Legend of the Five Rings, is there a penalty for rolling too many tens in a row (like in monopoly for rolling doubles 3 times in a row)? For some reason I'm convinced there is, but it ...
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How can I adapt elements of the Gumshoe investigation system to Ars Magica?

Many of my games feature a heavy investigation influence. Gumshoe, being designed for investigation, provides a way of finding clues and manipulating clues that provides for a far more enjoyable ...
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How would using the 3.5e rules for gestalt characters work in 5e? [closed]

I recently saw a post on Reddit describing some home-brew rules for gestalt characters in 5e. It seemed interesting so I looked up the original 3.5e gestalt character rules (which can be found here ...
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What unfortunate side effects am I missing in allowing a feint as part of movement at a -10 penalty?

Within Mutants and Masterminds, if you have a feat called Acrobatic Bluff, you can make use an Acrobatics check in place of Bluff for the purpose of feinting to make someone flat-footed for your next ...
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What kind of equipment rules for low bonus dice and low pool points game?

Background I've played in and story guided several games of the Shadow of Yesterday and Solar system, but in none of those we have used any formal equipment rules. Equipment has mostly made some ...
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How to discourage players from roleplaying out of their alignment when using a 3.5e alignment system in a 4e game?

My GM would like to implement the 3.5e grid-based alignment system in his 4th edition game. He would also like to implement better penalties for not playing within your alignment. I understand that ...
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Alternate class system for MtG inspired setting

I'm trying to create some house rules to run a Pathfinder campaign in Ravnica, a M:tG plane which has 10 guilds, each one with a very specific philosophy and societal role. I wish guilds to be : ...
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Should I allow Prestidigitation to ignite Grease (the game allows the Grease to be flammable)?

In 3.5 Prestidigitation is used mostly as a "flavor" spell. However, I noticed that in Next they added a new use for it. You instantaneously light or snuff out a candle, a torch, or a small ...
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Making skill-based feats attractive

So everyone knows that the feats that give bonuses to skills are... lackluster at best. I was wondering if anyone has tried implementing any changes to these feats to make them more attractive choices ...
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Should house rules and custom material be created before experiencing the game? [closed]

Let's take a new GM. New in the sense of "new to a specific game", not new to GMing. The GM read all the rules from cover to cover and he understands them, but never played. Should he start house ...
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Counter-Attack Houserule

I'm thinking of making a house rule for Pathfinder which lets you counter attack when your opponent rolls a natural 1 to attack. First, is there already a counter attack system in Pathfinder? If not, ...
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Recovering ammunition (bolts, etc.) in Numenera

Suppose a ranged combat character in the Numenera setting, using a non-artifact ranged/thrown weapon. Say, a heavy crossbow. There is limited ammunition that players usually have to buy. After a ...
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What sort of check should be used for my frenzy ability's stay-in-control aspect?

My D&D 3.5e character is a half-shark/half-man, and I want to give him a boost ability that allows him to indulge in his frenzy or instinct and gain bonuses during battle. Doing so, however, would ...
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Slayer Weapon Specialization with More Weapon Groups

I made a half-orc slayer to use in a DnD 4E Neverwinter campaign. I got him all set up to use a longspear. The Spear Expertise feat adds damage on a charge, half-orcs' Swift Charge feature gives them ...
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Is there a tested spell-research like mod for D&D 4e?

I'm looking for a mod to D&D 4e which reintroduces spell-research in a balanced way. Are there any of them around, which have been play tested and seem to work without unbalancing things too far?
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Question about the Assassin (Executioner) Ninja Build

I'm just getting into 4e D&D, and when I wanted to make an Assassin (Executioner) because of his ability to use poisons, I saw the "Way of the Ninja" as a guild choice, looked at it and loved the ...
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Creating new minor talents for an Empath/Telepath

I'm an old GM, new to DFRPG. How would you create an empath or mind reader minor talent? I was thinking: Empath: You can use your empathy skill to roll an assessment check and reveal a character's ...
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Mission Allowance house-rule ramifications

I'll preface by saying I'm not sure if this question belongs here. The asking help page indicates it's borderline acceptable, so I'll just post this here and see how it goes. A slight problem we've ...
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What side effects might arise from modifying the XP cost to increase traits in the Storytelling system by category primacy?

Currently, the Storytelling and Storyteller Systems have primary/secondary/tertiary skills/abilities, and at character creation, the primary have more points, whereas the tertiary have less points. ...
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Castle Falkenstein: Is there a faster Magic system?

I love running games in the Castle Falkenstein diceless system. However, I find the CF magic system to be a little slow (to set up, run and play) for a high-fantasy campaign. Can anyone suggest ...
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Is the spell Soul Shackles dysfunctional?

This spell from page 104 the Dungeons and Dragons, 3rd Edition supplement Book of Vile Darkness--even more than the spell consume likeness--makes my head hurt. I'd just let it go and find a different ...
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House rules for flanking

I am currently considering house ruling flanking to be: If two or more enemies are adjacent to you, you are considered flanked. I do this because I want to break up the conga line of death that ...
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Custom rules for character advancement

Normally a cleric would gain +1 to attack bonus, +1 to fort save, +1 to will save, +1 1st-level spell per day and +1d8 hit points (+CON) when he reached level 2. I've always found this mechanic kind ...
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Would it be OK to change a Dragonfire Adept's base breath weapon?

Would there be anything wrong with changing a Dragonfire Adept's base breath weapon element to something other than fire? I was working on a Dragonfire Adept that was supposed to have been descended ...
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Writing a better Weapon Focus feat

Last time a played D&D it was 3.0, and I remember thinking the Weapon Focus feat is kind of dull, but it's sometimes a prerequisite for more advanced feats. So I would like to rewrite it ...
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How can I make up a Familiar Companion Edge?

I've been thinking about it a lot, and well... there's already the beastmaster edge out there, however it doesn't really seems fit for an arcane character, as in other systems familiars are far more ...
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House rules for making specific components matter for spells, magical and mundane item creation? [closed]

I started getting back into D&D edition 3.5 a few weeks ago as a DM. I do not like the generalizations in which are written into the magical item creation. I am trying to make a more specific ...
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Group Initiative [closed]

Is there a way I could have the entire group roll initiative, add up their score, and do the same for the monsters. adding or subtracting to the amount of rolls depending on the number of creatures ...
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Would adding a Move-Attack-Move “basic combat power” to DnD 4e unbalance the game?

I've been thinking of adding a power to DnD4e as a basic maneuver that all players can do. I'm not certain yet if this power should be regulated to only BRA (Basic ranged attack) or if it's ok for it ...
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Are there rules for or against unusual or alternate weapon types?

In DnD 3.5 and Pathfinder, are there any provisions for characters wielding weapon types not on the given lists, like meat cleavers or swordcanes? Are those not allowed, do you use them as equivalent ...
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What's the perception DC of a shout spell?

In the spell Shout, I can make an extremely loud scream You emit an ear-splitting yell that deafens and damages creatures in its path. I don't think there's any rules at all for especially loud ...
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How can I check to make sure my homebrew class is balanced compared to pre-existing classes?

A friend and I are embarking on a little project for fun: creating a new class for 5th edition Dungeons and Dragons. We have already referred to the DMG section about modifying classes and races etc. ...
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Ways to limit the power and overuse of Phantasmal Force

I've been DMing 1st edition for about 12 years now, and while I've experimented with different editions I always go back to 1st. Over the years DMing I have written a number of my own house rules to ...
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Even simpler RISUS character generation

So, as it's the Christmas season, I'm spending time with family - specifically three cousins and my younger brother. I want to get them into an RPG, and RISUS fits the bill perfectly, as the oldest of ...
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How to handle initiative while keeping the spotlight on a duel within a larger combat?

In some weeks we will play 7th Sea, an RPG with much fencing. I want to make fights more like a duel between players and minions. I think some (most?) battles will be one player duelling a minion, ...
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Extending Coven to affect class level instead of just caster level for scaling effects

The Coven hex allows you to use an 'aid another' action to increase the caster level of the other witch for one round, In addition, whenever the witch with this hex is within 30 feet of another ...
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How to house-rule re-locking a door using a lockpick?

It is apparently possible (in real life) to lock a lock using lockpicks: Locking locks by rgsupergrover » Tue Aug 24, 2010 11:48 am Sorry in advance since this may be a very ameture ...
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How unbalancing are additional talents?

I'm currently preparing for my first saga edition game as a gm and I'm using a few houserules others made and also I'm thinking about a few myself. As this I have no real experience with talents ...
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homerule for experience sharing between party members

There are possibly huge gap between caster and non-caster characters in a party. Caster have plenty of options of getting rid of own experience in exchange for various boosts. Item creation, wish ...
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Any house-rule for buying negative qualities after character creation?

During character creation, Shadowrun 4E allows player to buy negative qualities such as Infirm in exchange for additional Build Points. Some negative qualities are heavily background-related, so I ...
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How do I create a balanced “Glass Cannon” monster? [closed]

I have a good handle on 4e monster creation, but there is one particular role missing for me that the current monsters don't satisfy, and I need assistance making sure it works well. I want a monster ...
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Legend of the Five Rings Jiujitsu Alternate Rules [closed]

I love L5R. The setting is in depth and has just the right mix of different Asian cultures. I'm gearing up to play 4th edition and I'm excited to see what changes are in effect. The only problem with ...
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How can I incorporate Betrayal at the house on the Hill to my game of supernatural?

In Betrayal at the house on the Hill you explore a haunted house with characters until the haunt happens and stuff gets real. Whilst playing this board game a friend of mine stated it'd make a ...
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Breaking up the Plasma Drive Propulsion

Every Demon starts with Propulsion in Demon Form. It is difficult and limited to get additional Propulsions, but not impossible. Propulsions are (as the name suggests) movement abilities, though many ...
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How can I implement injuries on crit?

We are well on our way in a 5e campaign, but everyone getting fully healed after a long rest takes some of the sense of danger out of the game. I am looking for a set of rules that would give ...
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Expand the numeric scale of Strands of Fate

I haven't played any of these narrative focused games like Fate but would like to. My players are very used to other more hands-on type of game where the numbers are plainly what your character is. ...
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What are reasonable additional statistics for modern and futuristic weapons?

In Chapter 5: Campaigns in the section Building a Different World on pages 145-6 of the Dungeon Master's Guide there's the subsection Modern and Future Technology. I'm designing a prestige class ...