---
key: mechanic/boss-fight-atlas--boss-projectile-fan
type: mechanic
id: boss-fight-atlas--boss-projectile-fan
lang: en
title: Projectile fan
summary: Several firing directions form a spreading fan.
updatedAt: '2026-10-22'
status: active
url: >-
  https://gamemechanics.pro/en/knowledge/mechanic/boss-fight-atlas--boss-projectile-fan/
jsonUrl: >-
  https://gamemechanics.pro/api/v1/knowledge/en/mechanic/boss-fight-atlas--boss-projectile-fan.json
markdownUrl: >-
  https://gamemechanics.pro/content/knowledge/en/mechanic/boss-fight-atlas--boss-projectile-fan.md
aliases: []
tags:
  - Boss fights
  - Projectiles
sourceIds:
  - source-4e988233c3d62001
  - source-f0313c40de533506
  - source-938d01176a1635ea
  - source-0e3a9034aa726bed
  - source-d88e73d9030adb59
  - source-baf38070a8989361
  - source-b684635c0fcb1a3c
  - source-fe2bf59010769de8
sources:
  - id: source-4e988233c3d62001
    title: 'Boss Fight Atlas: Projectile fan (RU)'
    url: 'https://polyakovin.github.io/boss-fight-atlas/ru/mechanics/projectile-fan/'
    verifiedAt: null
  - id: source-f0313c40de533506
    title: 'Boss Fight Atlas: Projectile fan (EN)'
    url: 'https://polyakovin.github.io/boss-fight-atlas/en/mechanics/projectile-fan/'
    verifiedAt: null
  - id: source-938d01176a1635ea
    title: Shriek · Ori and the Will of the Wisps
    url: 'https://www.youtube.com/watch?v=DvuB8cImPIg&t=1165s'
    verifiedAt: null
  - id: source-0e3a9034aa726bed
    title: Bullet King · Enter the Gungeon
    url: 'https://www.youtube.com/watch?v=ynVmgUSV7Bc&t=26s'
    verifiedAt: null
  - id: source-d88e73d9030adb59
    title: Phrike · Returnal
    url: 'https://www.youtube.com/watch?v=UdBbTMFLFIo&t=32s'
    verifiedAt: null
  - id: source-baf38070a8989361
    title: Enemy Attacks and Telegraphing · Mike Stout
    url: 'https://www.gamedeveloper.com/design/enemy-attacks-and-telegraphing'
    verifiedAt: null
  - id: source-b684635c0fcb1a3c
    title: Encounter reference · Bullet King
    url: 'https://enterthegungeon.wiki.gg/wiki/Bullet_King'
    verifiedAt: null
  - id: source-fe2bf59010769de8
    title: Cuphead
    url: 'https://www.youtube.com/watch?v=Ol3-4Y0eS9M&t=73s'
    verifiedAt: null
relations: []
placements:
  - catalogId: boss-fight-atlas
    id: boss-projectile-fan
    title: Boss fights
    url: >-
      https://gamemechanics.pro/en/mechanics/boss-fight-atlas/#boss-projectile-fan
    categoryIds:
      - catalog-part-2
supersededBy: []
attributes:
  preview:
    updatedAt: '2026-10-22'
    title: Projectile fan
    description: Several firing directions form a spreading fan.
    image:
      src: images/mechanics/boss-frame-ol3-4y0es9m-73.webp
      width: 640
      height: 360
      game: Cuphead
      sourceUrl: 'https://www.youtube.com/watch?v=Ol3-4Y0eS9M&t=73s'
      originalUrl: 'https://www.youtube.com/watch?v=Ol3-4Y0eS9M'
      sourceFrameSeconds: 73
      credit: Studio MDHR; gameplay capture by LociGuides
      rights: >-
        Game graphics © Studio MDHR. Gameplay recording by LociGuides. Visible
        source markings preserved. All rights reserved; excluded from MIT and CC
        BY 4.0.
      caption: Wally’s feathers spread in different directions
      alt: Wally’s feathers spread in different directions
      markers:
        - x: 38
          'y': 39
          label: Different feather directions form a broad barrage
    tips:
      - Check projectile gaps at the distance where the player crosses the fan.
    examples:
      - title: Cuphead
        url: 'https://www.youtube.com/watch?v=Ol3-4Y0eS9M&t=73s'
endsAt: null
provenance: >-
  Editorial reference index based on the 124 public Boss Fight Atlas mechanic
  pages checked on 2026-10-20. Original concise RU/EN definitions by
  gamemechanics.pro; source categories, game/boss associations and reference
  URLs retained from the atlas. Linked materials retain their original rights;
  references are upstream attributions, not independent verification.
license: CC-BY-4.0
codeLicense: MIT
attribution: gamemechanics.pro contributors
catalogKey: catalog/boss-fight-atlas
---
# Projectile fan

id: boss-fight-atlas--boss-projectile-fan
type: mechanic
key: mechanic/boss-fight-atlas--boss-projectile-fan
lang: en
status: active
url: https://gamemechanics.pro/en/knowledge/mechanic/boss-fight-atlas--boss-projectile-fan/

Several firing directions form a spreading fan.

## At a glance

![Wally’s feathers spread in different directions](https://gamemechanics.pro/images/mechanics/boss-frame-ol3-4y0es9m-73.webp)

[Cuphead](https://www.youtube.com/watch?v=Ol3-4Y0eS9M&t=73s) · Game graphics © Studio MDHR. Gameplay recording by LociGuides. Visible source markings preserved. All rights reserved; excluded from MIT and CC BY 4.0.

[Source recording](https://www.youtube.com/watch?v=Ol3-4Y0eS9M), 73 s

1. Different feather directions form a broad barrage

- Check projectile gaps at the distance where the player crosses the fan.

- [Cuphead](https://www.youtube.com/watch?v=Ol3-4Y0eS9M&t=73s)

## How it works

Several firing directions form a spreading fan.

## Variants

### How the technique works

<a id="boss-projectile-fan-rule"></a>

- Several firing directions form a spreading fan. <a id="boss-projectile-fan-definition"></a>

## Context and limits

A concise reference to all 124 Boss Fight Atlas mechanics across its 14 source sections. Each entry includes a definition, full RU/EN lesson links, game references and further reading retained from the source. Animations and detailed rules remain in the atlas.

## Connected materials


## Sources and provenance

Editorial reference index based on the 124 public Boss Fight Atlas mechanic pages checked on 2026-10-20. Original concise RU/EN definitions by gamemechanics.pro; source categories, game/boss associations and reference URLs retained from the atlas. Linked materials retain their original rights; references are upstream attributions, not independent verification.

- [Boss Fight Atlas: Projectile fan (RU)](https://polyakovin.github.io/boss-fight-atlas/ru/mechanics/projectile-fan/) (id: source-4e988233c3d62001)
- [Boss Fight Atlas: Projectile fan (EN)](https://polyakovin.github.io/boss-fight-atlas/en/mechanics/projectile-fan/) (id: source-f0313c40de533506)
- [Shriek · Ori and the Will of the Wisps](https://www.youtube.com/watch?v=DvuB8cImPIg&t=1165s) (id: source-938d01176a1635ea)
- [Bullet King · Enter the Gungeon](https://www.youtube.com/watch?v=ynVmgUSV7Bc&t=26s) (id: source-0e3a9034aa726bed)
- [Phrike · Returnal](https://www.youtube.com/watch?v=UdBbTMFLFIo&t=32s) (id: source-d88e73d9030adb59)
- [Enemy Attacks and Telegraphing · Mike Stout](https://www.gamedeveloper.com/design/enemy-attacks-and-telegraphing) (id: source-baf38070a8989361)
- [Encounter reference · Bullet King](https://enterthegungeon.wiki.gg/wiki/Bullet_King) (id: source-b684635c0fcb1a3c)
- [Cuphead](https://www.youtube.com/watch?v=Ol3-4Y0eS9M&t=73s) (id: source-fe2bf59010769de8)

CC-BY-4.0 · gamemechanics.pro contributors
