The version 0.4.0 introduced the following changes:

• Match against player compositions
• Added Arena menu (random battles)
• Rankings menu (weekly and long term)
• Implementation of an Elo system with regular updates
• Fixed and symmetrical combat cards JcJ
• Weekly reward linked to rankings
• Direct player battle for those at the top of the ranking
• Added information buttons in several menus
• Enriched content in the encyclopedia
• New logo for loading animation
• Improved statistics synchronization between local and server
• Fix for various bugs