# Option List & Costs

1. **System Overview**

CryptoHunter World's NFT shoes have various options to enhance in-game performance and provide personalized play experiences. Options are granted based on the rarity and grade of the shoes, and each option is determined by a custom weighted probability system.

NFT shoe options are unlocked as players upgrade their shoes or reach certain levels, and have 1 to 3 option slots.

2. **Option List and Scope**

There are a total of 10 NFT shoe options, each of which provides a unique stat increase.

<table data-header-hidden><thead><tr><th width="278"></th><th width="132"></th><th></th></tr></thead><tbody><tr><td><strong>Option</strong></td><td><strong>Value Range</strong></td><td><strong>Initial Ranges</strong></td></tr><tr><td><strong>Performance Stat Increase</strong></td><td>1–50</td><td>1–10, 11–20, 21–30, 31–40, 41–50</td></tr><tr><td><strong>Resilience Stat Increase</strong></td><td>1–50</td><td>1–10, 11–20, 21–30, 31–40, 41–50</td></tr><tr><td><strong>Comfort Stat Increase</strong></td><td>1–50</td><td>1–10, 11–20, 21–30, 31–40, 41–50</td></tr><tr><td><strong>Luck Stat Increase</strong></td><td>1–50</td><td>1–10, 11–20, 21–30, 31–40, 41–50</td></tr><tr><td><strong>ALL Stats Increase</strong></td><td>1–20</td><td>1–5, 6–10, 11–15, 16–20</td></tr><tr><td><strong>Critical Chance Increase</strong></td><td>1–15%</td><td>1–3%, 4–6%, 7–9%, 10–12%, 13–15%</td></tr><tr><td><strong>Critical Factor Increase</strong></td><td>1–20%</td><td>1–5%, 6–10%, 11–15%, 16–20%</td></tr><tr><td><strong>Energy Boost</strong></td><td>1–10%</td><td>1–3%, 4–6%, 7–10%</td></tr><tr><td><strong>Score Cap Increase</strong></td><td>1–100</td><td>1–20, 21–40, 41–60, 61–80, 81–100</td></tr><tr><td><strong>Item Find Probability</strong></td><td>1–10%</td><td>1–2%, 3–4%, 5–6%, 7–8%, 9–10%</td></tr></tbody></table>

### **Formula**

For each value range, the probability is calculated using its **weight** relative to the total weight of all ranges.

**Probability Calculation**\
Each range is assigned a weight, which reflects how likely values in that range are to appear. The probability of a specific range is determined as:

<figure><img src="https://3797779348-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FxIzkLaB5VvLvG1aHkY8p%2Fuploads%2FwHTAKShfO1Cl6XkNdBUi%2Fimage.png?alt=media&#x26;token=15466ed2-e55c-4cee-8c1f-47701283c879" alt=""><figcaption></figcaption></figure>

### Unlock Conditions and Rarity

Options are unlocked based on the upgrade level of the NFT shoes.

| **Slot Number** | **Minimum Level** | **Increased Rare Option Probability** |
| --------------- | ----------------- | ------------------------------------- |
| Slot 1          | Level 15          | Base Probability                      |
| Slot 2          | Level 30          | +10%                                  |
| Slot 3          | Level 40          | +20%                                  |

### NFT Shoes Option Unlock Costs (by Level and Rarity)

| **Option Unlock Level** | **Normal** | **Rare** | **Unique** | **Legendary** | **Mythic** |
| ----------------------- | ---------- | -------- | ---------- | ------------- | ---------- |
| **Level 15**            | 50 GLT     | 150 GLT  | 250 GLT    | 300 GLT       | 400 GLT    |
| **Level 20**            | -          | -        | 500 GLT    | 600 GLT       | 800 GLT    |
| **Level 30**            | -          | -        | -          | 900 GLT       | 1,200 GLT  |
| **Total Unlock Cost**   | 50 GLT     | 150 GLT  | 750 GLT    | 1,800 GLT     | 2,400 GLT  |