Skip to Content

Random Roulette

When facing a choice, leave it to the roulette! A fair random selection tool for everything from lunch menus to penalties.

Add Items

1Option 1
2Option 2
3Option 3
4Option 4

Roulette

Option 1
Option 2
Option 3
Option 4
SPIN

Key Features​

  • 🎯 Free addition/deletion of items
  • 🎨 Automatic colorful assignment
  • 🔄 Smooth rotation animation
  • 📊 Selection history recording
  • 💾 Item set saving feature
  • 🎲 Fair random selection

How to Use​

1. Adding Items​

Enter an item in the input field and click [Add] button or press Enter for quick addition

Example items:

  • Lunch: Korean, Chinese, Japanese, Western, Snacks
  • Drinks: Americano, Latte, Cappuccino, Green tea, Milk tea
  • Movies: Action, Romance, Thriller, Comedy, Sci-Fi

2. Spinning the Roulette​

  1. Add at least 2 items
  2. Click [Spin Roulette] button
  3. Wait until rotation stops
  4. Check the selected result

3. Item Management​

  • Add: Input field + Add button
  • Delete: ✕ button on each item
  • Delete All: [Delete All] button
  • Reset: [Reset] button (also deletes history)

Use Cases​

🍴 Deciding Lunch Menu​

When colleagues are debating lunch options, make a fair and quick decision with the roulette!

Items: BBQ, Pasta, Sushi, Noodles, Pizza

Tips:

  • Enter nearby restaurant names directly
  • Delete menus you want to exclude
  • Check recently eaten menus in history

🎮 Setting Game Penalties​

Determine penalties for game losers with the roulette.

Example items:

  • Sing a song
  • Do an impersonation
  • Ice bucket challenge
  • Push-ups
  • Buy snacks

Precautions:

  • ⚠️ No dangerous penalties
  • 😊 Only fun and safe penalties
  • 🤝 Only penalties everyone agrees on

🎁 Prize Drawing​

Select event winners fairly.

  1. Enter all participants
  2. Spin the roulette
  3. Reveal results
  4. Keep records with history

📚 Learning Tool​

Use it for learning by randomly selecting quiz topics.

Example items: Math problems, English words, Science facts, Historical figures, Literary works

🎬 Content Creation​

Ideas for YouTubers/Streamers:

  • Selecting challenge topics
  • Picking guest questions
  • Choosing game characters
  • Deciding mukbang menus

Template Sets​

Lunch Menu​

Korean, Chinese, Japanese, Western, Snacks, Fast food

Snack Selection​

Chicken, Pizza, Burger, Tteokbokki, Sweet and sour pork, Jokbal

Drink Selection​

Coffee, Juice, Tea, Soda, Smoothie, Milk tea

Movie Genres​

Action, Romance, Comedy, Thriller, Sci-Fi, Horror, Drama, Animation

Exercise Types​

Running, Swimming, Cycling, Yoga, Pilates, Weight training

Hobby Activities​

Reading, Watching movies, Gaming, Exercise, Cooking, Drawing

Roulette Spinning Tips​

💡 Tip 1: Clear Item Names​

Use short and clear names to avoid confusion.

💡 Tip 2: Optimal Number​

Recommended number: 4-12 items

💡 Tip 3: Use History​

Check recent selections to avoid duplicates.

💡 Tip 4: Save Sets​

Create frequently used item sets for convenience.

Frequently Asked Questions​

Q: Is it truly random?​

A: Yes! We use a fair random algorithm based on Math.random(). Each item has equal probability.

Q: Can I increase the probability of specific items?​

A: The current version gives all items equal probability. We don't provide weighting features to ensure fairness.

Q: How many items can I add?​

A: Technically unlimited, but we recommend 12 or fewer for readability.

Q: Can I use it on mobile?​

A: Yes! It's optimized for mobile touch.

Q: Can I save items?​

A: Currently maintained only within the browser session. Save feature will be added in the future.

Q: How many history items are saved?​

A: Up to the most recent 20 items.

Interesting Facts​

🎡 History of Roulette​

  • Origin: Started in 18th century France
  • Meaning: "Small wheel" in French
  • Purpose: Originally a casino game
  • Modern: Evolved into a fair selection tool

🎲 Science of Randomness​

Computers generate "pseudo-random" numbers, but practically speaking, they're sufficiently random.

🧠 Overcoming Decision Paralysis​

Decision Fatigue

We make thousands of decisions daily. Save energy by quickly processing unimportant decisions with the roulette!

Precautions​

⚠️ Be Careful with Important Decisions​

Use roulette for ✅: Lunch menu, Movie selection, Game penalties, Light choices

Don't use roulette for ❌: Life-changing decisions, Expensive purchases, Legal decisions, Health/safety choices

⚠️ Fair Usage​

  • Requires consent from all participants
  • Don't reverse the results
  • No malicious manipulation
  • Share transparent process

⚠️ Safe Penalties​

Good penalties 😊: Funny dance, Singing, Buying snacks, Doing impersonations

Bad penalties ⛔: Physical danger, Mental distress, Excessive financial burden, Illegal acts

Developer Information​

Random Algorithm​

Uses JavaScript Math.random() to generate a random number between 0 and 1, then divides by the number of items to determine the index.

Features:

  • Uniform distribution
  • Unpredictable
  • Fast execution speed
  • Excellent browser compatibility

Animation​

  • Uses CSS transform
  • Smooth ease-out effect
  • 3-5 second spin time
  • Mobile optimized

🎯 Today's Tip: When facing a choice, leaving it to fate isn't a bad idea!