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.

learn more… | top users | synonyms

0
votes
3answers
168 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 ...
16
votes
4answers
2k 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, ...
8
votes
1answer
315 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?
13
votes
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 ...
3
votes
1answer
177 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 ...
47
votes
2answers
5k 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 ...
2
votes
0answers
100 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 ...
27
votes
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 ...
-2
votes
1answer
176 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 ...
1
vote
1answer
150 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 ...
5
votes
3answers
122 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 ...
6
votes
5answers
595 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.) ...
20
votes
3answers
1k 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 ...
1
vote
1answer
94 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: CF: A's SD < B's ...
0
votes
1answer
206 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 ...
4
votes
3answers
248 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 ...
2
votes
2answers
138 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, ...
1
vote
1answer
142 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 'straits' as measures of effect. This guarantees that something always turns up (as the ...
3
votes
2answers
581 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 ...
22
votes
7answers
5k 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 ...
12
votes
2answers
991 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 ...
16
votes
8answers
4k 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 [...] ...
6
votes
1answer
152 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 ...
0
votes
1answer
101 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 ...
2
votes
2answers
202 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?
3
votes
6answers
413 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 ...
23
votes
18answers
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 ...
3
votes
3answers
224 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 ...
6
votes
1answer
300 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. X: 1d6 if X = ...
5
votes
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 ...
8
votes
2answers
330 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 ...
5
votes
3answers
738 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 ...
0
votes
2answers
530 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 ...
7
votes
8answers
2k 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 ...
6
votes
1answer
659 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 ...
2
votes
1answer
149 views

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

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 ...
3
votes
3answers
407 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 ...
6
votes
3answers
877 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 ...
3
votes
1answer
191 views

Fudge Dice Augmentation

I'm looking into unique stunts that affect dice rolls in gameplay. Are there any rules or precedent on the use of more than 4 Fudge dice in rolls, or using a die to determine outcomes? I'm thinking ...
23
votes
6answers
3k views

How to deal with players rolling dice before establishing the context of the action?

I've been running a lot of fate and cthulhu-dark games lately, and I've run into a common challenge with several players: They'll roll the dice before we establish what kind of action they're taking ...
20
votes
8answers
4k views

Cheat-proof online die roller?

I am looking for an online die roller that works similarly to the following: The GM provides a string identifier to the player. E.g., "gandalf attacks balrog #12" The player enters the id on the ...
7
votes
4answers
2k views

Are d8, 10, 12, etc. dice, fair dice?

Given a perfectly formed d8, or d10 or any d dice in Dungeons & Dragons (D&D), are they all fair dice? Is it equally possible to roll any number on any given dice? I am actually writing a ...
7
votes
0answers
809 views

Probabilities using 3d10 as 1d1000 [duplicate]

I'm trying to use anydice to figure out the probabilities of the various values of 1d1000 rolled on 3d10. I want to know stuff like "what's the chance of rolling 900 or higher? How about 950 or ...
5
votes
5answers
832 views

Why all the dice? [closed]

I'm asking more as an outside observer, and not with anyone who has any grievance with how games are played, nor am I judging or criticizing anything. I've just always wondered, why use all the ...
5
votes
2answers
1k views

How do I calculate dice probability in the A Song of Ice and Fire system?

Say I need a net hit of 20 or higher. I get to roll 5d6 base, but I get a bonus dice roll of +3. I only get to keep the 5 highest so I would be rolling "8d6 drop lowest 3 rolls" I want to know what ...
4
votes
3answers
560 views

How do I use AnyDice with Classic World of Darkness / 20th Anniversary?

How can I take advantage of AnyDice with 20th Anniversary rules? I'm new to AnyDice but very interested in using it. I would like a wrapper function that accepts the following params. the number of ...
33
votes
6answers
3k views

Is there a name for the standard 7-die set?

I'm curious if there is a formal name for the standard 7-die set (d4, d6, d8, d10, d10*10, d12, d20), and is there any backstory or history associated with it?
51
votes
22answers
8k views

How do you play D&D when we don't have dice to play with?

Now I came all the way from Indonesia, and I can tell you that D&D is not a thing. Hence, it will be tough for me (and for my wallet) to find shops that sell d4, d12, d20 and so on. Let these dice ...
8
votes
3answers
2k views

How can I get AnyDice to determine these odds?

After looking at AnyDice's Documentation and Function Library, I remain baffled. I know that AnyDice can do this, but I don't know how to tell it to. Scott Gray's Dice Pool Generator is easier to use ...
14
votes
3answers
937 views

Is there a pattern for d8 dice?

I've just bought a d8, and noticed that the number arrangement is different from my other one. My new die has only even numbers on one half, and only odd on the other half. My old die has 1,8,5,4 on ...