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Dice Countdown Roller

A whole family of dice games works by countdown: roll them all, set one aside, roll what is left, and keep going until a single die decides it. Doing that by hand means six rounds, twenty-one dice and a running total to keep. This produces the entire run at once, with every round's faces, the die set aside and the total as it builds — a sheet you can read rather than a roll you have to repeat.

What this generator does

Rolls the full set, sets aside the lowest or highest die according to the rule you choose, rolls what remains, and repeats down to one — showing every round's faces and the total as it builds.

How to use this tool

  1. Choose how many dice to start with and how many sides they have.
  2. Choose whether the lowest or the highest die is set aside each round.
  3. Roll, and read the whole run.
  4. Give a seed if you want the same run again.

Understanding the controls

Dice to start with
Two to twelve. Six is the usual, which makes twenty-one dice rolled across six rounds.
Sides on each die
Two to a hundred, so the same countdown works with anything from coins to percentile dice.
Which die is set aside
The lowest or the highest. Taking the highest builds the total fast and leaves poor dice behind; taking the lowest does the opposite.
Seed
A word reproduces exactly the same run, which is how the same sheet can be given to several people.

Common use cases

  • Playing a countdown dice game without rerolling by hand
  • Producing a run to read aloud for a group
  • Working out how a countdown scoring rule behaves
  • Setting the same run for several players by sharing a seed
  • A classroom activity with a total that builds round by round

How this generator works

Every round is replayed from its own faces to confirm the right die was set aside and that exactly one left each round. The dice rolled are counted against what a countdown demands, and the total is added up again from the dice set aside, so a round that quietly kept the wrong die would be reported.

Randomness and fairness

Faces come from the browser's secure generator. A seed reproduces the same run exactly — that path is deterministic, not cryptographic, and exists so a run can be shared.

For how randomness is produced across the whole site, see how Generate Random works.

Limitations and good to know

  • The die set aside follows a fixed rule; games where the player chooses need the choice made by hand.
  • Scoring is the plain sum of the dice set aside — no game-specific combinations are applied.
  • Two to twelve starting dice.
  • Ties are broken by position, so which of two equal dice is taken is arbitrary but consistent.
  • The countdown is not saved; seed it if you want the same target again.

Privacy and your data

Rolls are produced in your browser and nothing is transmitted or stored.

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