phaserjs/phaser

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Phaser is a fun, free and fast 2D game framework for making HTML5 games for desktop and mobile web browsers, supporting Canvas and WebGL rendering.

Stars: 40.3k
Forks: 7.2k
Open beginner issues: 0
Indexed issues: 111

Dominant language: JavaScript
License: MIT
Last GitHub push: Aug 21, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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111 open issues indexed

DynamicTexture constructor leaks a WebGL texture on every create/destroy cycle (4.2.1) Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

phaserjs/phaser#7379 · Opened Sep 14, 2026
WebGL multi-texture batch: rotated quads render transparent wedges or a neighbouring texture (exact float equality on interpolated outTexDatum in GetTexture.glsl) Open

Difficulty 3/5 1-2 days Newbie friendliness 76/100

phaserjs/phaser#7372 · 1 comment · Opened Sep 10, 2026
WebGL stroke of a Polygon drops a vertex when its origin-shifted position equals the previous raw vertex Open

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

phaserjs/phaser#7361 · 1 comment · Opened Sep 4, 2026
`BaseTween#callbacks` type is inconsistent with runtime behaviour Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

phaserjs/phaser#7353 · Opened Aug 18, 2026
Camera follow lerp is framerate-dependent Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

phaserjs/phaser#7352 · 1 comment · Opened Aug 16, 2026
[4.1.0] Camera zoom != 1 with HiDPI canvas (canvas.width = css * devicePixelRatio): rendering goes blank, getWorldPoint and worldView are inconsistent Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

phaserjs/phaser#7351 · Opened Aug 15, 2026
Global plugins not mapped on scene when render type is Phaser.HEADLESS Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

phaserjs/phaser#7348 · Opened Aug 8, 2026
v4.2.1 WebGL: sprite batch corruption when an angle tween runs on a GameObject whose position is also written every frame Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

phaserjs/phaser#7341 · Opened Jul 22, 2026
MouseManager.stopListeners never removes the wheel listener — destroyed Game stays retained through the canvas Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

phaserjs/phaser#7340 · Opened Jul 18, 2026
TilemapGPULayer Animated tiles breaks if 2 or more animated tiles are present in tileset Open

Difficulty 3/5 1-2 days Newbie friendliness 56/100

phaserjs/phaser#7331 · 1 reaction · Opened Jun 29, 2026
DOMElement with a non-zero origin drifts under camera zoom (scene-level only) Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

phaserjs/phaser#7329 · Opened Jun 29, 2026
[4.2.0] Can't put StencilReference into Layer game object Open

Difficulty 1/5 Under an hour Newbie friendliness 82/100

phaserjs/phaser#7326 · Opened Jun 26, 2026
`Phaser.Structs.Map` has unsatisfactory and incorrect typing Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

phaserjs/phaser#7323 · Opened Jun 24, 2026
TilemapGPULayer render issue causing lines between tiles Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

phaserjs/phaser#7317 · 2 comments · Opened Jun 16, 2026
Adding an exsting TimerEvent to scene.time.addEvent() doesn't work Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

phaserjs/phaser#7314 · Opened Jun 12, 2026
AnimationManager toJSON() errors when stringified indirectly Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

phaserjs/phaser#7307 · Opened May 24, 2026
Significant FPS drop with simple Container addMask() usage in WebGL Open

phaserjs/phaser#7306 · 9 comments · 1 assignee · Opened May 20, 2026
GetColor32() shouldn't output negative values Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

phaserjs/phaser#7305 · 1 comment · Opened May 19, 2026
Linting is broken in master Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

phaserjs/phaser#7303 · Opened May 16, 2026
Document the distribution of `Phaser.Math.RND.weightedPick` inside its JSDoc Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

phaserjs/phaser#7300 · Opened May 7, 2026
Use `@readonly` tag a lot more Open

Difficulty 4/5 3-5 days Newbie friendliness 50/100

phaserjs/phaser#7299 · 2 reactions · Opened May 7, 2026
Investigate alternative libraries for type generation than `jsdoc` Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

phaserjs/phaser#7298 · 8 comments · Opened May 7, 2026
Memory leak in TilemapLayerWebGLRenderer Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

phaserjs/phaser#7296 · Opened May 3, 2026
Layer is not extended from GameObject class Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

phaserjs/phaser#7295 · Opened May 3, 2026
Add screen reader accessibility guidance and framework-level helpers Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

phaserjs/phaser#7294 · 1 comment · 1 reaction · Opened May 1, 2026
[4.0.0] Phaser.Class (incl. Class.mixin) is not exposed on the public ESM namespace — forces third-party plugins into inadequate mixin fallbacks Open

Difficulty 2/5 1-3 hours Newbie friendliness 62/100

phaserjs/phaser#7286 · 3 comments · Opened Apr 20, 2026
[4.0.0] BatchHandlerQuad produces black pixels after any third-party WebGL renderer (e.g. Spine) runs — RebindContext does not fully isolate state Open

phaserjs/phaser#7285 · 3 comments · 1 reaction · 1 assignee · Opened Apr 19, 2026
Inconsistent document descriptions in DynamicTexture class Open

Difficulty 1/5 Under an hour Newbie friendliness 75/100

phaserjs/phaser#7279 · Opened Apr 13, 2026
First Game Example Needs Upgraded to Support Phaser 4 Open

Difficulty 1/5 Under an hour Newbie friendliness 72/100

phaserjs/phaser#7275 · 1 comment · Opened Apr 11, 2026
Your playable is not allowed to use window.top Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

phaserjs/phaser#7261 · 2 comments · Opened Mar 9, 2026
`TweenManager.create` and similar functions take overly permissive `object` config types Open

🐛 TypeScript Bug

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

phaserjs/phaser#7260 · Opened Mar 4, 2026
`Phaser.Math.RND.Pick` and `Phaser.Math.RND.WeightedPick` should use `ArrayLike` interface Open

🐛 TypeScript Bug

Difficulty 1/5 Under an hour Newbie friendliness 50/100

phaserjs/phaser#7257 · Opened Feb 27, 2026
MergeXHRSettings doesn't merge username and password Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

phaserjs/phaser#7256 · Opened Feb 27, 2026
`Phaser.Input.Pointer.leftButtonReleased` returns true for pointerdown events Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

phaserjs/phaser#7254 · Opened Feb 26, 2026
Arcade Physics: tilemap tile separation leaves body.position at sub-pixel values, causing 1px visual oscillation Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

phaserjs/phaser#7252 · Opened Feb 26, 2026
Add strong typing to `TweenBuilderConfig` callback types Open

🐛 TypeScript Bug

Difficulty 5/5 Over a week Newbie friendliness 35/100

phaserjs/phaser#7251 · Opened Feb 24, 2026
Phaser `EventEmitter` typings are unsatisfactory and unsafe Open

🐛 TypeScript Bug

Difficulty 5/5 Over a week Newbie friendliness 35/100

phaserjs/phaser#7249 · 3 comments · Opened Feb 24, 2026
Phaser event types should be literal types instead of `string` Open

🐛 TypeScript Bug

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

phaserjs/phaser#7248 · Opened Feb 24, 2026
MatterJS bodies produce incorrect collisions with negative scale Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

phaserjs/phaser#7247 · 1 comment · Opened Feb 24, 2026
`Controller.paddingOverride` default prevents Glow filter from calculating framebuffer padding Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

phaserjs/phaser#7242 · 1 reaction · Opened Feb 7, 2026
[docs] firstgame Tutorial: declare player variable in part5 Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

phaserjs/phaser#7236 · Opened Jan 11, 2026
[4.0.0-rc.6] Creating a spine object when the loader is busy can lead to a black frame Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

phaserjs/phaser#7234 · 4 comments · Opened Jan 6, 2026
Web page bug on "Reset Pass" page Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

phaserjs/phaser#7229 · Opened Dec 24, 2025
Automatic Original Scale Detection for Multiatlas Frames Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

phaserjs/phaser#7220 · 1 comment · Opened Nov 24, 2025
HitArea is not updated correctly when changing an Arc’s size via Tween Open

⌨️ Input

Difficulty 3/5 1-2 days Newbie friendliness 45/100

phaserjs/phaser#7218 · Opened Nov 19, 2025
[4.0.0-rc.6] Spine position incorrect inside a container with .setFiltersForceComposite(true) Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

phaserjs/phaser#7204 · 9 comments · Opened Sep 25, 2025
ScaleManager getParentBounds triggers perpetual refresh() once page is scrolled Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

phaserjs/phaser#7203 · Opened Sep 25, 2025
Memory Leak when using MobilePipeline and SpinePlugin Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

phaserjs/phaser#7193 · 2 comments · Opened Sep 9, 2025
Example assets get 404 errors for 'loader' base64 examples Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

phaserjs/phaser#7189 · Opened Aug 18, 2025
setPointerCapture causes uncaught error Open

⌨️ Input

Difficulty 3/5 1-2 days Newbie friendliness 45/100

phaserjs/phaser#7185 · Opened Aug 5, 2025

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