Undertale's game engine is built using the Python programming language, with the help of the Pygame library. The game's scripting language is a custom implementation of a finite state machine (FSM), which allows designers to create complex behaviors for enemies and bosses.
# Define Sans's phases sans_phases = [ 'name': 'Phase 1', 'attacks': [sans_attacks[0], sans_attacks[1]], 'name': 'Phase 2', 'attacks': [sans_attacks[1], sans_attacks[2]] ] Undertale Boss Battles Script
Use this guide as a modular template. You can implement it in any game engine by adapting the turn flow, collision detection, and bullet update loops. Want me to write the full runnable HTML/JS code for one complete boss (e.g., Papyrus)? Undertale's game engine is built using the Python