> For the complete documentation index, see [llms.txt](https://runba.gitbook.io/runba-whitepaper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://runba.gitbook.io/runba-whitepaper/other-systems/activation-code-system.md).

# Activation Code System

Runba is an invite only game. User can earn ONE Activation Code for every 50 Energy spent, each user can only hold ONE activation code at a time, until it is used.

Runba will issue activation codes from time to time to facilitate marketing activities and promotion on our discord.