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Screenshots

  • ISUD Zero screenshot 1
  • ISUD Zero screenshot 2
  • ISUD Zero screenshot 3
  • ISUD Zero screenshot 4

About ISUD Zero

Dodge readable bullet patterns, graze for Phase Pulse, and chase clean weekly scores against the Pattern Engine. Description: I.S.U.D. Zero is a portrait bullet-hell boss rush built around clean reads, a tiny fair hitbox, and fast retry mastery. Enter the simulation chamber, learn each boss pattern, graze close calls to charge Phase Pulse, and chase cleaner clears across The Instructor, Mirror Cadet, Twin Array, and The Cartographer. Every run is short, sharp, and score-driven. Bosses move, mutate, and escalate through multiple phases. The ship only takes damage at the red core, so the chaos stays readable even when the screen blooms with bullets. Features: - Precision drag controls for portrait play - Fair red-core hitbox with optional callout - Graze scoring and Phase Pulse screen clears - Four multi-phase bosses with distinct patterns and visual escalation - Five additional boss slots marked Coming Soon - Difficulty options, persistent best scores, and ranks - Game Center weekly and all-time high score leaderboards - Neon arcade presentation with original audio hooks

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Balance fire and ice: half of each in every row and column. A free daily puzzle from Fiplay, same board for everyone. It plays right here, no download.

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App privacy

The developer, Suwitcha Sugthana, reported these privacy practices to Apple.

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Usage Data: Product Interaction, Other Usage Data
  • Diagnostics: Crash Data, Other Diagnostic Data

Used for: Analytics, App Functionality

Alternatives to ISUD Zero

Looking for apps like ISUD Zero? Here are 6 similar apps on the App Store. The highest rated is VISORIZER (5.0/5), and all 6 are free to download.

ISUD Zero vs. alternatives
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ISUD Zero – 0.99 USD May 5, 2026
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