> For the complete documentation index, see [llms.txt](https://docs.mollector.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mollector.com/support/faqs/how-to-play.md).

# How To Play

![](/files/y3NGliyPJT0hlhMrGTH8)

### 1. How can I get Hero Cards? 

You can buy single Hero Cards or Mystery Boxes on Marketplace. 

### 2. What are Fusion and Mutation? 

* Fusion: combine low-level Hero Card to upgrade 
* Mutation: Change stats & secondary skills 

For detail, please refer to [Upgrading Features](/gameplay/upgrading-features.md) here. 

### 3. Does Mollector have different Card rarities? 

Yes, we categorize Hero Cards into 3 types according to their rarity: Common < Rare < Epic.&#x20;

### 4. How does the battle system work?&#x20;

Mollector has multiple battle modes, such as:&#x20;

* PvP: Casual, Ranking, vs Friend&#x20;
* PvE: Campaign, World Boss, Dungeon&#x20;
* Brawl&#x20;
* Tournament&#x20;

For detail, please refer to [Game Modes](https://mollector.gitbook.io/mollector/gameplay/game-modes) here&#x20;

### 5. What is the difference between Normal and Elite Hero Cards?&#x20;

Normal and Elite Hero Cards both have different primary skills. But only Elite Hero Cards possess powerful skills which play a central role in building the entire formation’s tactics. With them, you can create the best card combos in Mollector.&#x20;

### 6. Does Mollector have a balancing system?&#x20;

Sure, balancing is an important element in fighting game design. Our Game Design team works really hard on this system.&#x20;

### 7. Can I sell Hero Cards for real money?&#x20;

No and Yes. You can not sell Hero Cards for real money but you can only sell them on Marketplace for $MOL - our governance token, then swap $MOL for real money.