Codex Gamicus

Explorer of Yggdrasil is an RPG adventure indie game developed by Black Train and published by Imperium Interactive Entertainment Limited. It was released on Steam for Microsoft Windows on March 13, 2021.


This game is about how after rescuing an armless mage during a chance encounter, the explorer Mei embarks on a journey to reach the top of Yggdrasil and to uncover the mystery of her forgotten past. Yggdrasil, also known as "The Tower of God", is a giant tower that reaches all the way to the clouds.


  • Unique combat system
  • Many weapons to collect
  • Change appearance with collectible outfits
  • Fully voiced heroine
  • Uncover the mysteries of Yggdrasil