# Lucky Number Event Guide

Explains how the GM-run Lucky Number Event works: placing a 1,000,000 Rupiah bet on one of 20 numbers, confirming before the 60-second timer ends, and watching the spin pick the green Lucky Number. Includes a worked example of how the 80% reward pool is split among winners and how item rewards (up to 5 items, given in full to each winner) are delivered by in-game mail.

Written by gynraider in the Kathana Discord. Original thread: https://discord.com/channels/1363839027114934315/1548028778955931709
Topics: lucky-number-event, gm-events, rupiah, gambling, rewards, evento-lucky-number, apuestas, recompensas

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*Think you can guess the winning number? Pick wisely, place your bet, and let luck do the rest!*

The Lucky Number Event is a game where players bet Rupiah for a chance to win more Rupiah or exciting item prizes.

When the GM starts the event, everyone who wants to participate can place a bet, usually 1,000,000 Rupiah. The system then chooses a random number. This is the **Lucky Number**.

If your chosen number matches the Lucky Number, congratulations! You win a share of the prize!

## How to Play
1. **Wait for the event to start.** When the GM starts the event, a window will appear on your screen. This window contains the numbers you can choose from.
2. **Pick your lucky number.** Look at all the available numbers and choose one number you think will be the **Lucky Number**. You can choose only one number, so choose carefully!
3. **Place your bet**. After choosing your number, click **Place Bet** to confirm your participation. You must place your bet before the countdown reaches zero. Your Rupiah will be deducted when the bet is confirmed.
4. **Watch the numbers spin.** When the betting time ends, the system will spin through the available numbers and randomly select the Lucky Number.
5. **See if you win!** The Lucky Number will be shown in green. If your chosen number matches it, you are a winner! If several players chose the same winning number, they will share the prize.

## Understanding the Event Window
When the event starts, the event window can look like this:

Here is what the window tells you:
- **20 numbers to choose from.** You can pick one number from the available choices.
- **Entry fee: 1,000,000 Rupiah.** This is the amount needed to place your bet.
- **Reward: 80% of the total bet pool.** A portion of all participants' bets becomes the prize for the winners.
- **Betting time:** It can be 60 seconds. You must confirm your bet before the timer reaches zero.
- **Place Bet button.** This button confirms your number and your payment. Once confirmed, **you cannot undo your bet**.

## Example: Choosing Number 4
Let's say I believe 4 is the lucky number. Maybe the number has been nice to me lately. Maybe I just have a feeling. Either way, the number 4 is my choice!
1. Click on the number 4.
2. Check that you have selected the number you want.
3. Click Place Bet before the timer runs out.

> ⚠️ Important: Once you click **Place Bet**, your bet is confirmed. **You cannot change your number or cancel your bet afterward**.

After the bet is placed:
- Your Rupiah will be deducted.
- The selected number will be highlighted in gold.
- The number buttons will become unavailable to click.
- The countdown will continue until the betting period ends.

When the betting timer reaches zero, the system will start spinning through the available numbers.

**The Spin Begins!**

The spin will stop on one randomly selected number. That number is the **Lucky Number**.

**The Lucky Number will be displayed in green**.

In our example, I chose 4, but the system selected the number 9 displayed in green. That means I did not win this round. *My imaginary fortune has betrayed me.*

But if the Lucky Number matches your choice, you win a share of the prize!

## How Are Rupiah Rewards Distributed?
The reward pool comes from the Rupiah bet by all participating players. The system takes 20% as a fee, and the remaining 80% is distributed among the winners.
### Example: 100 Players Participate
Let's break it down with easy numbers:
1. **100 players participate.**
  - Each player bets 1,000,000 Rupiah.
  - Total bet pool: 100,000,000 Rupiah.
1. **The system takes a 20% fee.**
  - 20% of 100,000,000 = 20,000,000 Rupiah.
1. **The remaining 80% becomes the reward pool.**
  - 80% of 100,000,000 = 80,000,000 Rupiah.
  - This amount is distributed among the winners.
### What If Several Players Win?
The reward is divided equally among everyone who guessed the Lucky Number correctly.

**If 5 players guess correctly:**
The 80,000,000 Rupiah reward pool is divided among the 5 winners.
```
80,000,000 ÷ 5 = 16,000,000 Rupiah
```
Each winner receives 16,000,000 Rupiah.

**If only 1 player guesses correctly:**
That player receives the entire reward pool. The winner receives 80,000,000 Rupiah! 🎉
### Where Does the Reward Go?
The Rupiah reward is sent directly to the winner's inventory. Each winner will also receive an in-game mail notification confirming the reward.

## Items as Rewards
The Lucky Number Event is not only about Rupiah! The GM can also choose to reward players with items. Instead of a Rupiah prize, the event window may display item rewards.

### How Item Rewards Work
- The GM can set up to 5 items as rewards.
- Every player who correctly guesses the Lucky Number receives all the displayed items.
- The items are not divided among the winners.
- The items are sent through the in-game mailbox.
## Final Tips
- **Choose carefully.** You can select only one number.
- **Confirm before time runs out.** Late bets cannot participate.
- **Remember that bets are final.** Once placed, they cannot be undone.
- **Watch the green number.** That is the Lucky Number!
- **More participants mean a bigger prize pool.** But remember, the reward is shared if multiple players win.

So don't sleep on the event! With the possibility of hundreds of participants, the reward pool can become very large. Pick your number, place your bet, and see if fortune decides to smile on you. 🍀

**Good luck, and may your number be the lucky one!**

## Screenshots

### Lucky Number gambling game interface showing numbers 1-20 to choose from, with entry cost of 1,000,000 gold and prize of 7-Day Tikoy Pack x1

https://api.kathana.biner.dev/img/6aa56da5bb62231ab348f7bf

Pick a number 1-20. Entry: 1,000,000 gold.
Prize: 7-Day Tikoy Pack x1

Choose a number, then Place bet (24s to bet)

| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |

Place bet

### Lucky Number gambling interface showing a grid of numbered buttons from 1 to 100 for players to select and place bets.

https://api.kathana.biner.dev/img/6aa56da6bb62231ab348f7c2

Lucky Runnaber

Pick a number 1-100. Entry: 1000000 gold.
Winners split 80% of the pot (server keeps 20%).

Choose a number, then Place bet (26s to bet)

| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 |
| 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 |
| 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 |
| 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 |
| 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 |
| 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 |
| 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 |

Place bet

### Lucky Number gambling event interface with number selection grid 1-20 and betting instructions

https://api.kathana.biner.dev/img/6aa56da6bb62231ab348f7c5

Lucky Number
GymRaider

Pick a number 1-20. Entry: 1,000000 gold.
Winners split 80% of the pot (server keeps 20%).

Choose a number, then Place bet (55s to ben)

| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|---|---|----|
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |

Place bet

### Lucky Number Event betting interface showing numbers 1-20 to choose from, with 1,000,000 gold entry fee and 4 selected, ready to place bet

https://api.kathana.biner.dev/img/6aa56da6bb62231ab348f7c8

Pick a number 1-20. Entry: 1000000 gold.
Winners split 80% of the pot (server keeps 20%).

Selected 4. Press Place bet to confirm (1000000 gold)

| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |

Place bet

### A Lucky Number gambling event window showing numbers 1-20 to choose from, with entry cost of 1,000,000 gold and 80% payout to winners.

https://api.kathana.biner.dev/img/6aa56da7bb62231ab348f7cb

Lucky Number Event

Pick a number 1-20. Entry: 1,000,000 gold.
Winners split 80% of the pot (server keeps 20%).

Bet placed on 4. Drawing in 50s...

1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20

Place bet

### Lucky Number lottery interface showing numbers 1-20 to pick from, with entry fee of 1,000,000 gold and 80% prize split for winners.

https://api.kathana.biner.dev/img/6aa56da7bb62231ab348f7ce

Lucky Number

Pick a number 1-20. Entry: 1000000 gold.
Winners split 80% of the pot (server keeps 20%).

Bet placed. Drawing now...

| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |

Place bet

### Lucky Number Event gambling window showing numbers 1-20 to choose from, with entry cost of 1,000,000 gold and listed prizes

https://api.kathana.biner.dev/img/6aa56da7bb62231ab348f7d1

Lucky Number

Pick a number 1-20. Entry: 1000000 gold.

Prize: 7-Day Tikoy Pack x1, Old Sword x1, Seito Green Bottle x250, H.O. Amara Pranas Orh x240

Choose a number, then Place bet (26s to bet)

[Number buttons 1-20 displayed in grid]

Place bet


Source: https://kathana.biner.dev/guides/lucky-number-event-guide/