# Game Overview

MemeDice is an on-chain dice game. Players choose a direction (big or small) and a win rate, and the system generates a random number to determine the outcome. The lower the win rate, the higher the payout.

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## Brief game rules

1. **Choose direction**: Bet Big ▲ or Bet Small ▼
2. **Set win rate**: 10% - 90%, the lower the win rate, the higher the payout
3. **Enter amount**: The amount of tokens you want to bet
4. **Wait for the result**: The system generates a random number from 0-9999 to determine win or loss

### Win/loss determination

* **Bet big**: Random number ≥ threshold → win; random number < threshold → lose
* **Bet Small**: Random number < threshold → win; random number ≥ threshold → lose

The threshold = win rate × 100. For example, if the win rate is 50%, the threshold = 5000:

* Bet Big: random number ≥ 5000 wins (range 5000-9999, 5000 numbers in total)
* Bet Small: random number < 5000 wins (range 0-4999, 5000 numbers in total)

### Payout calculation

```
Payout = 100 / win rate
```

| Win rate | Payout | Description                                   |
| -------- | ------ | --------------------------------------------- |
| 90%      | 1.11x  | High win rate, low payout                     |
| 50%      | 2.00x  | Classic even split                            |
| 25%      | 4.00x  | Low win rate, high payout                     |
| 10%      | 10.00x | Extremely low win rate, extremely high payout |

***

## Chapter Navigation

* [Connect wallet](/dapp.meme-en/play-games/connect-wallet.md) — How to connect a wallet and switch networks
* [Detailed betting guide](/dapp.meme-en/play-games/single-bet.md) — Complete betting process and strategy
* [Batch betting](/dapp.meme-en/play-games/batch-bets.md) — Place multiple bets in one transaction


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