Questions tagged [dice]

For questions primarily about dice themselves: 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.

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28
votes
6answers
10k views

Dice Rolling Method Fairness

Recently, in D&D sessions I have been rolling poorly (nothing over 10), and thus tried ways to improve my rolling. I was using a plastic solo cup last session, and got really good results compared ...
17
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4answers
4k views

What dice do I need to make for a Pathfinder player?

My son is off at college, and he has recently started a d&d group. We are close, but the distance between us, along with his schedule, have kept us from communicating as much as I'd like. I ...
2
votes
0answers
71 views

What's the limit of GM forcing things for the players' enjoyment? [duplicate]

We all know the dice's outcomes may be unpleasant, expecially in the case of story events, when players may feel that they had no control on something except rolling the dice higher. Should the ...
5
votes
1answer
232 views

Does anyone know which company made these dice with engravings surrounding the numerals?

(image source) These dice are so beautiful, but I don't know what company makes them. Does anyone know what company made these dice?
2
votes
2answers
267 views

2 dice pools roll matching highest [closed]

Playing with building a battle system in which opponents each roll a number of d6 equal to their Combat skill, and I want to determine the likelihood of both parties rolling the same highest value. ...
1
vote
1answer
3k views

What 5e build can throw the most dice regularly?

Background A new player recently played D&D for the first time in my regular campaign. I created a character for the player to ease her into the game. Afterwards, we discussed what she liked and ...
11
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1answer
2k views

Can you reroll the dice on the same roll two or more times?

Few days ago, our hoity-toity halfling tried (yes, again!!) to impress people around him with his educated manners, his glamorous hat, his luxurious vest, pants and boots, his swanking jewelry and his ...
1
vote
1answer
663 views

How can I fudge die rolls when they're made out in the open? [closed]

At some tables, dice are rolled on the table and are open to everybody to see, and this can't be negotiated. This can make it hard for the GM to fudge with the visible part of the results, if the ...
5
votes
3answers
532 views

How can I calculate the probability of being able to purchase a card in my custom die system?

I'm trying to work out the Probability of reaching a total with a custom die system. Each die in this system has 6 sides: 1 Sword, 2 Sword, 3 Sword, Political, Castle, and Wizard. Each player starts ...
12
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1answer
4k views

How do I read polyhedral dice?

I found a set of d4-d20, but apart from the d6 and the d4 (with the help of How do I read a 4-sided die?), I'm not sure how to read them and I'm new to these kinds of dice. How do you read a d8, d10, ...
23
votes
4answers
30k views

How does rolling a 1 on a skill check play out if you have a +9 or better to that skill?

My DM is telling me a natural 1 is worst possible result, but when my build reaches Sorcerer 8/Bard 1, my Persuasion bonus will be +10, meaning my worst roll should be an 11. Right?
31
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5answers
20k views

How does Halfling Luck (re-rolling my Nat 1's) affect my dice outcome?

The Halfling Luck racial trait lets you reroll natural 1's on checks, saves, and attack rolls, but you must keep the second result. With Advantage or Disadvantage, it lets you re-roll only one of the ...
1
vote
0answers
118 views

Non-dice outcome determination tool for an online game? [closed]

I am looking for a way to determine the outcome of an event in a pen & paper style rpg which is played online through voice and text chat, preferably in such a way as to eliminate the need for a ...
8
votes
1answer
629 views

What can I read about how we tie the stochastic characteristics of task resolution into statements about a game system's aesthetics?

I like making RPG systems. One thing I've noticed is that different kinds of task resolution systems make the game significantly different. Background For example, games like D&D 3.X and ...
5
votes
2answers
354 views

Is this the right formula for the total permutations of a set of dice? [closed]

I know the total number of permutations (binomial) on tossing \$n\$ fair coins is given by: $$\mathrm{Total} = 2^n$$ What about dice? If I grab some dice and roll \$4\mathrm{d}2 + 4\mathrm{d}4 + 6\...
88
votes
11answers
23k views

Player may be manipulating die rolls, but I'm uncertain. How do I approach the situation?

I'm a new DM for four people who are all friends (I am also friends with all of them). During the game, I observed one player turn a D20 from a lower number to a higher number a couple times with her ...
5
votes
2answers
332 views

Rerolling select dice instead of all when invoking an aspect

I've been reading into using Fate Core for an upcoming campaign and notice that when invoking aspects it's almost always for the best to take the +2 modifier over the reroll unless the roll is ...
6
votes
5answers
5k views

When rolling with disadvantage what is the chance to get a 1? [duplicate]

When you roll with disadvantage is the chance to get a 1 5+5 for 10% or 5X5 for 25%? Just sat down and rolled 100 times with disadvantage got 18 natural 1s and 0 natural 20s. Still don't know.
2
votes
1answer
386 views

Help with Anydice function for 3d10 dice pool

I'd like to see the probability distribution for 3d10 being rolled, where the highest number is positive, the lowest (closest to 1) is negative, and the middle die is ignored. (As a way of providing "...
5
votes
1answer
561 views

Help with probability for a complicated dice pool mechanic

I'm putting together a system with experimental dice mechanics. I want to know the probabilities involved, preferably in a way such as anyDice where I can easily change all variables and get the ...
1
vote
3answers
492 views

What mistakes can you make when you are rolling polyhedral dice? [closed]

Sometimes I keep getting the same numbers on my new and first polyhedral dice and it feels like I'm doing something wrong.
1
vote
3answers
1k views

Can I roll a d10 twice for rolling percentiles? [duplicate]

I forgot to also buy a percentile die. I was thinking of rolling d10 for the first digit of the number for the right, for example 6, and then rolling the d10 again for the second digit, for example 9, ...
174
votes
7answers
14k views

How to let my players fail their rolls intentionally, but covertly?

I'm experimenting with some pen-and-paper role-playing involving characters with hidden agendas. To foster a proper sense of paranoia, I want these hidden agendas to be unknown to not only the other ...
5
votes
3answers
3k views

What's the maximum number of dice that could be rolled at any one time? [closed]

In D&D 3.5e, what is the maximum number of dice that one could practically roll for a particular event? As in, would you ever need to roll 3d4 or 8d12 or something, or higher? (Is 255 dice a ...
4
votes
3answers
531 views

What effects would using a d12 and adjusted TNs have on Dungeon World?

First of all I declare myself a crazy lover of the d12 die. I would like to know, if there will be a substantial difference if I change the bell curved 2d6 roll for a linear 1d12 roll. I did a ...
9
votes
4answers
1k views

Rolling dice for non linear distributions [closed]

Background I'm the GM of a role playing group, improvised rule set. I of course have stats for each character and roll dice to determine skill successes and so on. What I do different from the few ...
3
votes
2answers
468 views

How do these mass advantage/disadvantage rolls work out statistically?

On an unrelated question, user Yakk shared the following bit of advice in a comment to keep combat moving quickly for mass numbers where advantage/disadvantage might apply: Mass attacks with ...
3
votes
2answers
621 views

How to reduce the variance of a dice pool mechanic?

Given a dice pool mechanic where a number of six-sided dice equal to Stat + Skill are rolled, and the number of 4s, 5s, and 6s is counted: An increase in the size of the pool increases the absolute ...
71
votes
18answers
20k views

What dice mechanic gives a bell curve distribution that narrows and increases mean as skill increases?

I'm looking for a dice mechanic that produces a bell curve at all skill levels. I also want it to increase accuracy and precision as a character's skill increases — this basically means better average ...
5
votes
2answers
740 views

Is there any practical or mathematical difference between player rolling vs. DM rolling?

There are two ways that spells are rolled for in D&D 5e, depending on the spell: attack rolls rolled by the players and saving throws rolled by the DM. But as far as I can see, saving throws ...
11
votes
1answer
722 views

Why don't we replace d4s with double numbered d8s? [closed]

Maybe this is a dumb or off-topic question, and please see beyond my flippant language: but since dice are such an ingrained part of this hobby... Recently I got in a fit of nerd-rage at the ungainly ...
16
votes
11answers
3k views

How can I make a check half as likely to succeed?

Using stun to reduce effectiveness of reflexive actions I've used my own homebrew system a lot, and recently began making a spellcrafting system. One effect I want aspiring mages to be able to load ...
-2
votes
2answers
275 views

Has anyone blended dice from SW Force and Destiny to the d20 in a Pathfinder campaign? [closed]

So we just finished a SW Force and Destiny campaign and now we are into a Pathfinder campaign. We miss the enriching plot elements that were added by the threats and advantages from the novel dice ...
58
votes
3answers
6k views

Is there any known limit for how many dice RPG players are comfortable adding up?

After reading a few RPG systems that use successes and others that use dice whose shown number are totalled, I came to the conclusion that personally I prefer adding up a maximum of 3–4 numbers and ...
0
votes
2answers
399 views

Convert d20 to a d4 mathematically? [closed]

I'm wondering what the simplest way to simulate a d4 with a d20 is. The easiest I can come up with is to take 1-5 to be a 1, 6-10 to be a 2, 11-15 to be a 3 and 16-20 to be a 4. I'm wondering if ...
8
votes
1answer
307 views

How are a dice pool's probabilities affected by being allowed/forced to add dice then drop high/low dice?

I'm working on a homebrew system. The base mechanic, without getting too involved on specifics, is roll a pool of d6s (1–5) and compare each vs. a target number (Generally 4–6); any that are equal to ...
16
votes
4answers
4k views

Are Fudge/FATE skills swamped by the dice?

I've started GM'ing our group's first Fudge game after 20+ years playing GURPS. The change was made because our games were becoming less and less number crunchy and more and more story driven. ...
-5
votes
2answers
528 views

Do people use random number generators to roll dice?

Do people use random number generators to roll dice? I figure it might help those that lack hands or other means to roll traditional dice. It might help dungeonmasters that lack hands as well!
11
votes
3answers
2k views

What's the benefit from upgrading green dice to yellow dice?

In Star Wars, you can spend resources to upgrade green dice to yellow. Green dice have eight sides, five success symbols, and five advantage symbols. The average success rate is 0.6255 and the ...
10
votes
1answer
810 views

Has the Dikesha dice set from Forbidden Lore ever been reissued or updated?

The Forbidden Lore boxed set for Ravenloft (AD&D 2nd ed.) included, besides the original, awesome Tarokka deck illustrated by Stephen Fabian, a set of fortune-telling / gaming dice as well, which ...
8
votes
3answers
2k views

Odds for dice pool with exploding dice

I'm designing a tabletop game with dice pool mechanic for combat resolution. You roll some d6 and each die that rolled at least 3 counts as a SUCCESS: If you roll more 1s than 6s, it's a fumble One ...
38
votes
11answers
21k views

Is a GM hiding rolls standard? [closed]

I haven't been playing D&D for too long, maybe a year, but the DM of the main campaign I'm in always hides his dice rolls. I don't have an issue with it, but when I play with another group the DM ...
4
votes
1answer
576 views

Are my AnyDice calculations for the Old World Of Darkness correct?

Here is the average amount of successes you can get from a given dicepool (left column) and given difficulty (upper row). Are the forumulas correct? Here is my program on AnyDice.com. Are there any ...
31
votes
7answers
7k 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 ...
31
votes
16answers
6k 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 ...
11
votes
1answer
1k 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 ...
13
votes
3answers
475 views

How would conflict in DitV change if only d6s were used?

I'm hacking on Dogs in the Vineyard, 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 ...
52
votes
2answers
16k 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 ...
7
votes
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 ...
1
vote
1answer
166 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 ...