Issues related to designing RPG system mechanics.

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Are there other RPGs with the phenomenon where the class that is stereotypically the best at something isn't the best at all? [on hold]

D&D 3.5e and Pathfinder have a particular phenomenon that is evident in their tier system (3.5e's is defined here, for reference): there are many classes that have a stereotype about what they're ...
8
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3answers
281 views

Why Does Spellcasting Have Levels?

I was reading this question, and it occurred to me: I don't know why the designers of 5e chose this magic system. There are a lot of spellcasting systems out there, and I want to know why they choose ...
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0answers
96 views

Are there any big, pre-made city campaign maps? [closed]

I'm currently looking to create my first pbp campaign, which will be steampunk horror-themed survival as they fight to escape a labyrinthine underground city, but I am stuck on a way to map the place ...
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5answers
1k views

Are there roleplaying games where your race levels up separately from your class?

Class-based RPGs give you new stuff to add to your class as you level up; what race you are does not really affect this. But what I am wondering, are there systems where you can level up your ...
9
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2answers
558 views

What constitutes a “story game”?

In Dealing with players of vastly different skill levels?, I got into a discussion with @SevenSidedDie about characterizing Dungeon World as a story game. @SevenSidedDie stated that: @neontapir ...
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4answers
964 views

How to improve my fast-paced scene

I recently got myself into short forms RPG as a GM and I really love the potential! I tried a short game (3 hours) and it went OK, but I am not quite satisfied yet. I need more practice, that's for ...
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3answers
1k views

Did having a 'Caller' player positively influence the gameplay in Moldvay's Basic D&D?

In the 1980 Basic D&D rules (Gygax and Arneston, Moldvay editing), the following text appears in Part 4: The Adventure: THE CALLER: One player should be chosen to tell the DM about the plans ...
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9answers
516 views

In need of general tips for making more interesting and fun battles

I've been a Game Master for about 5 years now and I've mantained the same group of players for that long, we're all young gamers (I being the oldest with 22 years old) and since we're not from USA we ...
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5answers
359 views

Looking for game with a specific initiative system

In working on a new game system, I'm looking for any relatively-balanced system that uses initiative in a specific way. I'm just looking for a reference point and inspiration, or if anyone else has ...
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3answers
342 views

Is rolled death during character creation ever OK? [closed]

Is it ever Ok to have a Diceroll made during character gen kill or cripple a character before they are played? I know in certain Systems, this is almost true if you are really unlucky at rolling. (Eg ...
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3answers
363 views

Calculating dice pool probability with limited rerolls

I need a probability calculation script that works with various dice and dice pool sizes, that accounts for a mechanic that allows you to reroll up to X dice that are failures, but ONLY once per die. ...
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4answers
336 views

How to create battles in a war

I've been creating my own campaign loosely basses on the Eberron campaign setting (as in very loosely, I've only been using the names of countries & cities to create my own map). I was planning ...
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3answers
192 views

How to implement multiclassing during character creation?

Assume I want to have characters defined by classes, archetypes, whatever. And there's no advancement, or at least sufficiently little advancement that the choices made at chargen always define the ...
5
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1answer
246 views

Average Damage Output in 4e?

Is there a resource that lists the average damage output for each role (Defender, striker, leader, controller) that is divided into ADO per level or at the very least ADO per tier? I am really just ...
8
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4answers
2k views

What are the major innovations in Dungeon World compared to D&D 3.5/Pf/4e?

In various comments on this site, DW was mentioned as [Dungeon world/Apocalypse World] is really more required reading for any designer today working on innovation in mechanics Having read the ...
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0answers
94 views

Managing complexity due to concrete-scale rules [closed]

We are rolling out an RPG system for the fun of it. However, recent tests have lead us to a rather unsolvable problem. In order to make single combat interesting and hopefully realistic, close-combat ...
8
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2answers
697 views

How can I convert D&D Next Saving Throws into Defences?

In the last public playtest packet, saving throws for spells had the following formula: The DC was set to 8 + prof bonus + magical stat bonus. The target would then throw a saving throw, adding their ...
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2answers
228 views

Where can I learn how to design my own RPG?

Let's say I have an idea for my own tabletop roleplaying game. Where can I go to learn more about how to design and publish my RPG? In particular: How can I find advice and resources to help me ...
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1answer
161 views

Any rules or supplements for mass combat in Underwater or Aerial fantasy environments?

I want to create a Pathfinder campaign for my players that culminates in a war between fantasy cities. I've been researching mass combat rules looking for something comprehensive that effectively ...
5
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5answers
308 views

Is there a Open Game License (OGL) or similar life-path system out there?

I've decided to try and "build" a system of my own, and I've decided to make it a "life path" system but I don't really want to start from absolute scratch, but thus far I've haven't found any open ...
10
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1answer
358 views

Recommendations for game mechanics that emphasize reagent or component based spellcasting

I'm researching spell component systems for a 3.5e campaign. In 3.5e, spell components are an inconvenience at best and a waste of time at worst. I'd like to homebrew a solution drawing from mechanics ...
3
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1answer
274 views

What are the most common design problems found in games based in levels and classes? [closed]

I am starting to develop a home-brew system along some members of our group, and one of the things we have to decide is the advancement system. We are divided between point-based and class/level, ...
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1answer
560 views

How would you create a MtG RPG Campaign/Game? [closed]

There was a MtG computer game published years ago which provided a campaign style game. The player travelled around a map comprised of differing terrain. This terrain was one of the MtG land types, ...
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10answers
563 views

Difference in basing damage on degree of success compared to a separate roll

So I am thinking about my own homebrewed system, and am wondering how to implement damage. I am considering two types of system here: Damage is rolled separately (base on weapon), and success of the ...
8
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1answer
176 views

What purpose does keeping Vancian Spell-casting in Legend serve?

I've got to admit, I'm somewhat confused by the option to keep Vancian-style spell slots for the Shaman and Tactician casting tracks. Most tracks in Legend either provide abilities that are at-will or ...
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4answers
431 views

Most faithful way to convert a d20 base roll to a d6 base roll?

I'm semi-converting an old adventure from DnD 3.X to d6 Fantasy, but I'm having trouble getting a roll conversion that I am happy with. The adventure calls for an extended test of d20 +X rolls until ...
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4answers
366 views

Game design differences between contested rolls and general attack rolls in combat

Background: Our group does D&D 3.5/4e one week, and a different system the other week (we've done GURPS and Serenity, and I'm going to be running Mutants and Masterminds 3rd edition). I've ...
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1answer
308 views

Designing stats for ReBoot Tabletop game

As a personal project I am working on creating a tabletop game based on one of my favorite childhood shows. The show is ReBoot. One of the things I am having a rough time designing is a simple stat ...
8
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3answers
692 views

Structure for a political sandbox game

I am looking for a fairly structured approach to creating, preparing for, and running a political game. To be more precise, I am looking for the following: A structured approach or even a game ...
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2answers
226 views

Who should be addressed in an RPG rule text?

When reading RPG rules text, I have noticed that the text sometimes rather inconsistently switches between assuming that the player is doing the reading and that the character is doing the reading. ...
9
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1answer
295 views

Why does (A)D&D change so much between editions? [closed]

Most systems, as far as I know, stay mostly the same between editions. Yet Dungeons and Dragons has had major changes between almost every edition, with the skill systems, combat abilities/feats, ...
9
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4answers
658 views

What are the best ways to utilize Wisdom and Charisma?

This question primarily refers to a fantasy RPG called "One Step Beyond", published back in 1989. It had five ability scores: Strength, Mental Strength, Will, Agility, Health. These were essentially a ...
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2answers
657 views

Creating my own RPG but having a hard time. Need advice

I've been playing tabletop RPGs for 20 years and I finally mustered the courage to create my own RPG. The problem is that I've gotten very discouraged as of late. I asked my local gaming community ...
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4answers
277 views

Handling many modifiers on a probability curve

So I've been working on a 2d20 based system for a side project, and it's playing out as a hybrid of a roleplaying system and a simulation-heavy combat game. This means that the engine has quickly ...
2
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2answers
144 views

What resources should I use to create a mod for d20 Modern?

This is a tangent off of my question about Looking for a Space marine RPG similar to Starship Troopers (the Novel) where there were some good suggestions about systems to use or modify to meet my ...
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2answers
159 views

Where could I go to find editing services that specialize in RPGs?

So I have had a time travel themed RPG successfully kickstarted and am entering the stage where I await feedback from the playtesters. In the meantime, I am searching for editing services that ...
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3answers
380 views

Do universal rules systems without any implied setting whatsoever exist?

Is it possible for a system to be universal without implying anything about setting? If it isn't, why? There are lots of universal systems, but they all seem to have mechanics that pin down ...
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3answers
255 views

How to implement dual-classing in a non-levelled RPG game?

I'm working on an alternate ruleset for a tabletop pen-and-paper RPG (like D&D). Recently I've been toying the idea of abolishing a level system. However, I don't want to remove the ability for a ...
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2answers
177 views

How to balance orcs and uruks PCs

As weird as it sounds, I like to play the other side in RPG stories, or at least, design how to play. In old MERP PCs could be of the Middle Earth evil races (orcs, half-orcs, uruks, trolls, ...
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3answers
3k views

Common Dice Mechanics [closed]

I'm thinking of doing a study/paper/educational-piece about different dice rolling systems in RPGs and other games. I've played RPGs in the past but it's been years so I wanted to be sure I knew the ...
6
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3answers
465 views

A system for tactical magic duels with low handling time?

I'm trying to cobble together a solely magic-based campaign that will have a really flexible system of magic. I've always been a fan of the D20 system, but it does have its limitations: for this ...
4
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2answers
207 views

Are there any game mechanics for handling item condition in detail?

Many sources (ex) point out that a distinct advantage of non-metal armour is that it does not rust in the rain. Also, "adventurers", carrying all their belongings on their back, pretty often find ...
5
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5answers
240 views

Character turn mechanic that is both detailed and handles long actions

We play according to a homemade-ish freeform-ish system. I, as a GM, have a lot of fun with the system as I morph it. And the benefit for the players is that the whole thing is a one-pager. But we ...
4
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4answers
419 views

“High on Magic” - how original is it?

I have written a RPG called "ChuƄ magie" - it's in Czech and it means literary "Taste of Magic", but I'd definitely call it "High on Magic" in English. I'm not planning to translate it to English ...
15
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5answers
572 views

How would you play test an RPG before all of its rules are complete?

I've been writing my own RPG, mainly to address some of the flaws / frustrations I've come across in other games. Luckily, I've found a few willing participants to help test the rules and mechanics in ...
10
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3answers
344 views

How do I make headshot rules interesting?

I'm working on a unified conflict system for a lightweight setting-agnostic RPG ruleset. The beta version is available on my website, although I have changed a lot of rules since that was released. My ...
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4answers
521 views

What can be done to maintain balance in a magic system in which mages must construct their own spells?

I'd like to build a magic system in which every spell is a one-off. A spell is created to serve a particular purpose and is cast once. I'm thinking that the time and place of the casting would be ...
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2answers
169 views

Combat - What is the chance of hitting someone on Range? [closed]

I'm designing a game system, and am working on the combat system. I have several questions, and I'm trying to create a system that is as realistic as possible. Sadly I have no experience with guns or ...
9
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5answers
311 views

What are the essential design features of a combat system that make it scalable from single combat to mass warfare?

My question stems from this post by p.marino, as it raised my curiosity. I do not wish to spend the time and money to acquire and read Silhouette Core. Furthermore, I lack the knowledge of piles of ...
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10answers
2k views

What are common design flaws of build-point game systems?

I'm designing my own RPG system and I want to avoid the most widely-recognized flaws, loopholes, and exploits that build-point character creation systems usually suffer from. What are the most common ...