> For the complete documentation index, see [llms.txt](https://whitepaper.doublejump.wtf/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://whitepaper.doublejump.wtf/game-modes/core.md).

# Core

### Free-to-play Mode

Players queue into the first room available to race without prizes. The following data is stored for statistics and record-keeping purposes:

**Tracked Stats (only for NFT holders):** 

* Total played games
* Total hours played a week 
* Number of First Place trophies earned

### Party Mode

In Party Mode you can play freely with your friends in a private lobby by inviting your friends in-game or by using a private party URL.

**Communication Mechanics:** 

* "URL" Invitation System 
* Friendship System

### Training

Players can enter races by themselves to train their skills and find new shortcuts by playing on maps of their choosing.