# Tagged Questions

Polyhedral solids used to generate random numbers. In tabletop RPGs, dice are the most common means of introducing chance into the proceedings. Many players enjoy collecting dice of varying colors and shapes.

0answers
81 views

### d100 mechanics? [closed]

I got a D100 recently thinking it might be interesting to use in my homemade RPg campaign but then my creativity fell really quick with the use of the D100. The only thing i can think of is that it ...
7answers
3k views

### Does the chance of rolling a 1 in a pool of d10s increase as the number of dice increases?

Just a question about probability. If I roll one d10 there is a 10% chance of rolling a 1. Assuming that receiving any 1s among the results of a pool of dice is a failure, what are the chances of ...
16answers
5k views

### How can I help players learn to tell apart the standard polyhedral dice?

We've all been newcomers to tabletop gaming at some point and had to learn for the first time which die was which. I vividly recall the first request for me to roll a 'percentile' and blankly staring ...
1answer
946 views

### Is this die from an RPG?

The following die is light black plastic, with gold paint on the carved side icons, and is 0.5 inches in length, width, and height. Is this die from an RPG? If so, which RPG? Does the die have a ...
1answer
96 views

### How would conflict change if only d6s were used?

I'm hacking on the system, trying to replace all the dice with d6s. Since gaming dice are expensive in my country, I was wondering how feasible this adaptation would be and what effect it would have. ...
2answers
3k views

### What are the statistical implications of doubling damage on crit instead of doubling the dice rolled?

I've been playing with a group that frequently allows players to double the value of dice rolled for crits (and other things) rather than rolling double the dice. Example, someone crits with 2d6 and ...
5answers
1k views

### Random selection from a set of arbitrary size?

I'm new to Dungeons and Dragons in general, and none of my friends have played before either but we were looking to start a campaign (still flipping back and forth between 3.5 and 5, I think 5 sounds ...
1answer
51 views

### Improving “fumbles” when using pools dice in TROS, part 2

(Thank you all so much for your help on my last post! I appreciate the explanations, graphs and suggestions given. As I continue to experiment with my homebrew variant, I do a lot of probability ...
5answers
426 views

### Dice results hidden from the players? [duplicate]

Does it make any sense to specifically hide the results of a player's dice roll from the said player? This method is based on my assumption that many actions do not immediately reveal themselves as ...
2answers
208 views

### Is one Proficiency die better than two Ability dice?

My GM often allows me and the other players to roll one skill or another for various checks (Coordination or Athletics is a common option; the character either balances across an obstacle or bypasses ...
4answers
1k views

### Is there a subtle difference between increasing DC and adding detrimental modifiers?

Modifying difficulty works in various ways within and between various roleplaying systems. But generally speaking, it seems added difficulty either modifies the target number (altering the check) or ...
2answers
3k views

### What is the correct term for the die with multiples of ten written on it?

What is the correct term for this die? It is a standard die in any 7 dice set. It has multiples of ten from 10 to 00 written on it (10, 20, 30, 40, 50, 60, 70, 80, 90, (1)00). I seem to think that ...
3answers
247 views

### How do you roll dice in space? [closed]

Let's imagine you get to go to International Space Station and you like to roll dice. But they don't stop flying around the station because you're in space where gravity is not high enough. How can ...
4answers
3k views

### Why does a d10 count from 0 to 9?

I have recently purchased (in Poland, if that matters) a set of dice, from d6 to d20. I'm a complete newbie (if not ignorant) to RPG in general, dice, and this sort of technical stuff in practical, ...
1answer
413 views

### What is the meaning of the term “natural 20”?

In Dungeons & Dragons, does "natural 20" mean rolling 20 on a single roll as opposed to a composite 20 from multiple dice? Or does it refer to something else?
2answers
2k views

### Natural 20 when rolling with disadvantage

If you are rolling with disadvantage and roll a natural 20 on one of those rolls, which die roll do you take? My question stems from the fact that natural 20s count as critical regardless of ...
1answer
189 views

### DMing without any resources: Is this DND anymore? [closed]

I have a DM who doesn't use a map or minis, rarely uses our stats, and usually only uses rolls. Sometimes he uses a book. Most of the time he's really only telling a story, and we're telling it with ...
2answers
6k views

### How can I test whether a die is fair?

I have a d20 that seems to be, well, remarkably lucky.* How can I determine whether it's really just luck, or whether the die is in fact unfairly biased? *) Well, I don't, really. This is actually ...
0answers
101 views

### Is there any other way to determine result than throwing dice? [duplicate]

I know that you can go full narrative and not use dice at all, but that's not what I'm asking about. I want to know any other (pseudo)random way to determine the result of action? My friend suggested ...
6answers
5k views

### Can I randomly determine the outcome of an event with 5 outcomes with a d6?

Could I use a d6 to find which event would happen given there were 5 events, lets say named A, B, C, D, and E? I am thinking that for 1–5, you could have the events assigned to their respective ...
1answer
256 views

### When to roll during spellcasting? [closed]

I have played a few games of D&D with my equally as inexperienced friends and there are some uncertainties we have about spells that I would like to clarify before I take my turn to DM. When ...
1answer
181 views

### What colors were the polyhedral dice in Red Box D&D? [closed]

My first Dungeons and Dragons set was in a red box (purchased around 1989 plus or minus a couple of years). The dice that came with it were of multiple colors, some of which I cannot remember. From ...
3answers
186 views

### Improving “fumbles” when using pools of d10s in TROS

The original rules in TROS use varying pools of d10s to attempt rolling one or more successes against a varying Target Number (e.g., commonly a TN=7). Roll the pool of dice, count up the successes ...
5answers
799 views

### Should I bring any extra dice for 5e?

I will be playing my first 5e session here soon. I got to skim the basic rules PDF, so I know that it plays a bit like 3.5 with some modernization. (Please don't stone me if I'm oversimplifying that.) ...
3answers
2k views

### Is the Saltwater Float represented in this question a good way to test for loaded dice?

Recently a question has popped up in the comments of another question I've recently answered where a player has happened to roll three 18s and other high stats at a table with his dice, which could ...
1answer
120 views

### Help calculating opposing dice pool in AnyDice

I need to calculate the probability of A winning against B. Both A and B throw 1-15 d6s, the one with more successful dice (SD) wins. There are actually 5 possibles outcomes: ...
1answer
297 views

### Concerns about a dice-pool system [closed]

I'm writing "yet another rpg system" and I'm choosing a way to determine success. I'd like a dice pool mechanic, and I've come up with this. PCs have characteristics and abilities. Char. Mods will ...
3answers
604 views

### Are there any good online dicerollers similar to the now mostly defunct Invisible Castle?

I used to use Invisible Castle's roller which was based off of OpenRPG. Worked great, but it looks like the site has been pretty much gutted and is mostly defunct. The roller still works but I'm not ...
2answers
144 views

### Too few dice to move around in a game were their position on the “character” sheet is relevant

Apart from it being an everyone-for-himself game, one of the most dreaded things about Blood Red Sands is the sheer number of dice needed: Total Dice Needed for a full game of 5 players: 25d10, ...
1answer
244 views

### Calculating 6D6 similar to poker dice [closed]

I keep coming back to the idea of building a game system around a 6D6 roll, taking matching sets of numbers and 'straights' as measures of effect. This guarantees that something always turns up (as ...
2answers
656 views

### How to model a dice pool with re-rolls mechanic? [closed]

I have a dice mechanic where players roll a number of D10s and have a different number of re-rolls they can use to maximize the total. For example: The player has 3D10 and 2 re-rolls. They roll 9,6,3 ...
7answers
7k views

### How do I read 2d10 as a percentage?

I own 2 d10 dice with differently numbered sides (0 through 9, and 00 through 90), although the same applies for two identical 'regular' d10 dice. How do I read the percentage value if I use both ...
2answers
1k views

### Help Writing an AnyDice Function for a Weird Dice Mechanic

I've thought of a dice mechanic that I'd like to test the numbers for, but it's complicated enough that I don't know how to model it in AnyDice. It's sort of a modified dice pool, where the successes ...
8answers
5k views

### Can I substitute a d3 with a d6?

I don't have a lot of dice yet, just a basic set of polyhedral dice: 1d4 1d6 1d8 2d10 1d12 1d20 Sometimes an ability or save calls for a die that I don't have. Strike, Unarmed [...] ...
1answer
166 views

### What tools can I use to keep track of dice in Dogs in the Vineyard played over Skype?

My group is distributed across the globe, so we have to do all of our roleplaying online. We have a few different die-roller options that we use. However, none of them seem very well-suited to Dogs in ...
1answer
106 views

### How does one drop lowest and reroll ones/lowest in the context of multiple sides of dice? [closed]

I am making a dice rolling app and am trying to implement dice roll features. I want my features to apply to any game. Are there other common functions in addition to the ones I have mentioned? Here ...
2answers
209 views

### Is there a paper/manuscript explaining the theory behind AnyDice? [closed]

I am using the AnyDice website to calculate probabilities on any number of dice with any arbitrary number of sides. May I please have a link to a formal discussion of this very elegant subject?
6answers
641 views

### Dice probabilities when rolling more dice than needed

I have a very similar question to Using AnyDice to determine the odds of getting a specific number sequence on multiple dice I want to know the odds of rolling a 1,2,3 out of 4d6. Or getting a 3 and ...
20answers
4k views

### Dealing with large amount of dice rolls for a single damage roll without making it drag on

There are a number of spells and abilities that involve large amounts of dice rolling. For example, a high level rogue can have up to 10d6 in Sneak Attack, and a high level Wizard can have a ...
3answers
252 views

### What is the paper/pen/dice case used in the PAX Prime 2014 game?

I was looking the PAX Prime 2014 game and couldn't help but notice the nice looking cases they have: in the upper portion you can store your character sheet / books, and at the bottom there's a ...
1answer
375 views

### How can I execute code depending on a die value in AnyDice?

I'd like to be able to have a conditional test the value of a die or set of dice. Here's a simple example using a d6, but I'm looking for a way to check values of arbitrary dice sets. ...
2answers
1k views

### Using AnyDice to determine the odds of getting a specific number sequence on multiple dice

After a few hours trying to design the proper code in AnyDice, I had to admit I didn't find a proper way to reach my goal, so I'm wondering if someone could give me a helping hand. Here is the ...
3answers
508 views

### What is the average roll of a die with an expanded explosion threshold as compared to one with an expanded success threshold?

This is going to be a bit of a weird question, but I'm figuring dice pool probabilities for a homebrew system and I want to know how certain abilities should be priced regarding their use. The basic ...
3answers
839 views

### Help Calculating Dice Odds for a Unique d6 Dice Pool

I'm attempting to design a unique d6 dice pool system, and I want to try programming the probabilities in AnyDice but I'm not sure how. Here's how the system works: Dice pools are between 2 and 10 ...
2answers
620 views

### Dice roll methods and their averages

So, to build some background I am trying to help my DM build a fair Dice roll methods for character generation according to tiers of classes. Ex. Giving weaker classes more stat points although ...
8answers
3k views

### How do I approach the probability of a d100, using 2 d100's?

We're running an almost 100% homebrew system, which uses skills in order to craft objects during play. Allow me to first formulate an example to explain my question better: Jack is quite the mason ...
1answer
803 views

### Dice pool success probability with one exploding die

I'm looking for the math behind the following: Players have a pool of 3–11 d6s, and have to get from 1–4 successes, "success" being a roll of 5+. One of these dice is special (represented ...
2answers
255 views

### Can you roll a dice pool or multiple dice rolls with only one die?

Say I'm playing Vampire: The Requiem and I need to roll 5 d10's. Can I roll a d10 5 times instead of having 5 d10's? Can I split it up if I must, so if I only had 4 d10's could I roll the 4, then roll ...
3answers
428 views

### What's the probability of getting three matching faces in any one roll of four Fudge dice?

I'm having a little difficulty recalling the procedure for calculating probability of dice results. My question is, using 4 Fudge d6 dice, what is the probability of getting three of any result in one ...
3answers
1k views

### Supporting degrees of success and failure when rolling

I have only played D&D so far, but I'm not that happy with it, mainly because the results are so binary. Take, for example, picking a lock. You roll a dice, you add your lockpicking modifier and ...