Find the latest stable release of Unitale (or its more modern successor, – Create Your Frisk). CYF is generally recommended for "Your Battle" projects because it supports unlimited waves and more complex attacks.
Monster.lua : Defines the enemy's name, HP, and the text that appears in the box. Wave.lua : Where you code the actual bullet hell patterns.
When the community talks about "Your Battle Unitale," they aren't just talking about a file on a computer; they are talking about a standalone experience. It is a specific battle encounter that you have authored, packaged, and shared with the world.
Undertale’s visual style is iconic: black backgrounds, 8-bit (or slightly higher resolution) pixel art, and distinct animations. "Your Battle Unitale" requires you to adhere to this aesthetic to maintain immersion.
Replace "Check" and "Compliment" with your own lore.