Undertale Boss Battles Script -

| Tool | Language | Best for | Undertale-style feature | |------|-----------|----------|--------------------------| | | GML | Most faithful recreation | Built-in collision & bullet systems | | Unity | C# | Cross-platform, advanced effects | Custom Shaders for bullet patterns | | Godot | GDScript | Open-source, light | AnimationTree for SOUL movement | | Construct 3 | Visual scripting | No-code rapid prototyping | Event sheets for turn logic | | FNF: Psych Engine | Haxe | Rhythm-based battles | Already has note-based attack patterns |

// Blue bones only damage when touching if (collision_circle(px, py, 5, obj_bone, false, true)) if (soul_color == "blue") hp -= 1; Undertale Boss Battles Script

function ron_attack() switch(phase) case 0: spawn_projectiles("cheese_wheel", 6); break; case 1: spawn_projectiles("tail_whip", 3); break; | Tool | Language | Best for |

And for the Genocide Route, the boss scripts must detect global.kill_count >= area_threshold . For example, Sans’s final judgment script: case 1: spawn_projectiles("tail_whip"