- 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