• Defeat Infinitus using math!
  • Attack and defend using functions.
  • Faster defenses will negate slower skills; equally fast defenses will lower skill damage to 1 (e.g. defending against x^2 with e^x will negate x^2's damage; x^3 skill against x^3 defense will do 1 damage)


  • Arrow keys to move
  • Z to select
  • X to deny


  • Battle music: Turn It Up! (Code of Princess)
  • Win screen: After the Battle (Persona 3)
  • SFX: Persona 4