Play as the guardian of the vitriol, the philosopher's stone, the essential substance to achieve enlightenment through the alchemical ontological space. You will face base metals that seek to corrupt the vitriol, for all metals have a lust to reach the purest of all, gold. Your purpose is not that mundane though, through experience, you must seek higher wisdom, purification and strength.

Iosis is an action roguelike including bullet hell and tower defense elements with customizable runs that allow unique builds. In Iosis, you will face waves of enemies on your journey through chambers with changing patterns. Craft your play style with various thematic spells such as self destruction, enemy manipulation and more.

Features

• Fast runs (under 20 minutes)
  
• 40 stackable upgrades
  
• Over 40 different enemies
  
• Unique environmental challenges and Boss Fights
  
• 3 linearly progressive stages
  
• Endless mode