Creating your own bullet-hell challenges on the go has never been easier. Whether you want to recreate the legendary Sans fight or build an entirely new Alternate Universe (AU) from scratch, several tools allow you to design, play, and share battles directly on your mobile device.
: Use spawners that trigger projectiles based on a timer (an array that increments per frame) to create the signature "bullet hell" experience. BattleTale:Boss Battles&Maker - Apps on Google Play undertale battle maker android
: Supports creating Alternate Universes (AUs) and Original Characters (OCs) with custom dialogues, fonts, and voice pitches. Create Your Droid (CYF Android Port) Creating your own bullet-hell challenges on the go