Practice rolls · no daily limit
RNGdle Sandbox – Unlimited Practice Rolls
This RNGdle sandbox gives you unlimited practice rolls. See each number's EP and badges without using your official daily roll.
How to use the RNGdle sandbox
Press “Roll a number” in the RNGdle sandbox to draw a whole number from 0 through 1,000,000. The result shows its EP, tier and every badge it matches. Press again whenever you want another practice result. These rolls do not use your official daily chance.
A fair draw, explained
Every press can land on any whole number from 0 through 1,000,000. Each of the 1,000,001 numbers has the same chance, including both endpoints. The sandbox checks badge rules after picking the number, so a high EP does not make a number more likely to appear.
Each roll stands alone. You might see the same number twice, or several ordinary scores in a row. Neither changes what can happen next: a rare result is never “due,” and an earlier roll cannot change the odds of the next one.
Of all possible numbers, 10,000 belong to the mythic tier. That is the chance of a mythic result on one roll, not a promise that one will appear after a certain number of tries. Any one specific number still has a 1 in 1,000,001 chance each time.
How often can each tier appear?
The table counts how many of the 1,000,001 possible numbers fall into each tier. Because every number has an equal chance, the percentage is the chance of that tier on one practice roll.
| Number tier | Matching integers | Fraction of domain |
|---|---|---|
| trash | 10,114 | 1.011% |
| common | 489,889 | 48.989% |
| uncommon | 250,028 | 25.003% |
| rare | 149,970 | 14.997% |
| epic | 50,003 | 5.000% |
| anomaly | 39,997 | 4.000% |
| mythic | 10,000 | 1.000% |
What happens after the draw
After the number appears, the sandbox checks which badges it matches. Some badges are based on math, such as prime numbers or powers. Others look for patterns in the digits, such as repeats or mirrored sequences. One number can match several badges, and the result shows each match.
Matching a badge does not always mean its EP is added. If several related badges belong to the same family, only the one worth the most EP counts. The result still shows the other matches and explains which badge takes priority, so you can see how the total was reached. Equal values use the original rule order to choose one scoring match.
The EP from counted badges is added up, then the total determines one of seven tiers. The same number gets the same EP and tier under these rules, regardless of who rolls it or where it appears on a daily leaderboard. You can check any number on the homepage, explore all possible outcomes on the rarity page, or see players’ saved results on the daily leaderboard.
Use the sandbox for inspection
Try a few rolls to see how badge patterns and EP can vary. A short streak may contain repeats or several low scores. That is normal, and it does not predict the next number. For the exact chance of each tier, use the table above; it counts every possible number instead of relying on a few practice rolls.
Your practice results stay in this browser and do not appear on the official leaderboard. Clearing recent rolls removes your list, but it does not change how a number scores. Select any saved number beside the result to reopen its full badge breakdown. Open “All recent rolls” to look further back, or use the number checker to inspect a number of your choice.
Is There an RNGdle Infinite Mode?
The original game gives one roll per day. This sandbox provides infinite practice rolls, so you can try again whenever you want. That infinite practice stays separate from the daily game and does not use or affect that daily roll.
Frequently asked questions
- Does the sandbox use my official daily RNGdle roll?
- No. It runs in this browser and does not send a roll to the original game. The official daily allowance is separate.
- How is a sandbox number chosen?
- Your browser gives every whole number from 0 through 1,000,000 the same chance. Previous rolls do not affect the next one.
- Can I improve my chance of a high-EP number?
- No. Every number has the same chance on each roll. Its EP is worked out only after it appears.
- Can zero or one million appear?
- Yes. Both 0 and 1,000,000 can appear, along with every whole number between them.
- Why do some badges appear without adding EP?
- Related badges share a family. When several match, only the one worth the most EP counts. You can still see the other matches.
- Where are recent sandbox rolls stored?
- Your last 100 practice rolls can stay in this browser. Use “Clear recent rolls” to remove the list.
- Does RNGdle have an infinite mode?
- The original daily game does not offer infinite rolls; this sandbox lets you repeat practice rolls without using or affecting your daily roll.