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HaxeFlixel

6 indexed repositories · View on GitHub

flixel
Free, cross-platform 2D game engine powered by Haxe and OpenFL

Haxe · 2211 stars
flixel-demos
Collection of demos for HaxeFlixel

Haxe · 463 stars
flixel-ui
GUI library for HaxeFlixel

Haxe · 201 stars
flixel-addons
Additional classes for HaxeFlixel

Haxe · 196 stars
flixel-docs
Documentation for HaxeFlixel

CSS · 86 stars
haxeflixel.com
haxeflixel.com 11ty source

Liquid · 73 stars

Beginner friendly Everything

Open All

Initial State is created before final resizeGame() call Open

Structure

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

HaxeFlixel/flixel#3658 · 2 comments · Opened Sep 4, 2026
Window movement limited to 10 FPS after focus loss Open

Breaking Change Structure

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

HaxeFlixel/flixel#3651 · 2 comments · Opened Aug 12, 2026
FlxG.overlap doesn't handle FlxBasics that are not FlxObjects or FlxGroups Open

Bug Collisions

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

HaxeFlixel/flixel#3650 · Opened Aug 11, 2026
FlxG.keys.justPressed returns true at odd times Open

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

HaxeFlixel/flixel#3641 · 1 reaction · Opened Jul 28, 2026
FlxTilemapExt: NE genle slopes stop your velocity entirely when you walk up one Open

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

HaxeFlixel/flixel-addons#490 · 4 comments · Opened Jul 28, 2026
Remove FlxGraphic Open

Animation/Frames Assets Breaking Change Structure

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

HaxeFlixel/flixel#3635 · 2 comments · 2 reactions · Opened Jul 16, 2026
FLX_TRACK_POOLS not working on Hashlink Open

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

HaxeFlixel/flixel#3624 · 4 comments · Opened Jul 9, 2026
Better alternative to FlxG.bitmap.whitePixel Open

Assets New Feature Structure

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

HaxeFlixel/flixel#3620 · 1 reaction · Opened Jun 24, 2026
Check out Flixel-Switch fork Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

HaxeFlixel/flixel#3615 · Opened Jun 15, 2026
Call onComplete if _sound is null Open

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

HaxeFlixel/flixel#3614 · 8 comments · Opened Jun 11, 2026
Groups and Containers: add defaultSplice bool, and change remove's splice arg to forceSplice Open

Improvement Performance/Memory Structure

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

HaxeFlixel/flixel#3613 · Opened Jun 10, 2026
Groups and Containers: Don't bubble kill, revive, exists, active, visible, and alive down to members Open

Improvement Structure

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

HaxeFlixel/flixel#3612 · Opened Jun 10, 2026
Use @:structInit in FlxTextFormatRange and FlxTextFormatMarkerPair Open

Improvement New Feature Text

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

HaxeFlixel/flixel#3606 · 2 comments · Opened May 31, 2026
FlxTilemapExt - "slope peaks" collision glitches Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

HaxeFlixel/flixel-demos#385 · 1 comment · Opened May 27, 2026
FlxPieDial leak Open

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

HaxeFlixel/flixel-addons#484 · 1 comment · Opened May 21, 2026
Put points in FlxCamera Open

Camera Improvement Performance/Memory

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

HaxeFlixel/flixel#3599 · 1 comment · Opened May 16, 2026
Introduce an intermediate visual class Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

HaxeFlixel/flixel#3596 · 6 comments · 3 reactions · Opened May 2, 2026
FlxG.bitmap: Add null-safety Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

HaxeFlixel/flixel#3591 · Opened Apr 12, 2026
Sound debug window Open

Assets FlxDebugger New Feature Sound

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

HaxeFlixel/flixel#3585 · 2 comments · Opened Apr 6, 2026
`sprite.dirty` always true on renderTile Open

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

HaxeFlixel/flixel#3584 · Opened Apr 3, 2026
error when compiling to android Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

HaxeFlixel/flixel#3583 · 1 comment · Opened Apr 3, 2026
FlxG.bitmap.exists Open

Assets Easy Change New Feature

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

HaxeFlixel/flixel#3579 · Opened Mar 24, 2026
FlxGroup: add type param to add method Open

Breaking Change Improvement Structure

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

HaxeFlixel/flixel#3576 · Opened Mar 18, 2026
Persist Precaching Open

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

HaxeFlixel/flixel#3574 · 1 comment · Opened Mar 17, 2026
FlxBackdrop: issues on render blit targets Open

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

HaxeFlixel/flixel-addons#480 · Opened Mar 16, 2026
FlxSpine: Bounding boxes don't match the graphics Open

Bug External Improvement

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

HaxeFlixel/flixel-addons#479 · Opened Mar 16, 2026
Error: Flixius Open

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

HaxeFlixel/flixel-demos#384 · 2 comments · Opened Mar 14, 2026
Abstract (and unify?) filters and shaders Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

HaxeFlixel/flixel#3566 · 11 comments · Opened Mar 10, 2026
Delay destruction of graphics by a small amount of time Open

Assets New Feature Performance/Memory

Difficulty 5/5 Over a week Newbie friendliness 25/100

HaxeFlixel/flixel#3565 · 2 comments · 2 reactions · Opened Mar 9, 2026
Various outdated docs Open

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

HaxeFlixel/haxeflixel.com#299 · Opened Mar 8, 2026
Improve Debug features Open

FlxDebugger

Difficulty 5/5 Over a week Newbie friendliness 25/100

HaxeFlixel/flixel#3564 · Opened Mar 7, 2026
Overhaul to CI Open

CI

Difficulty 5/5 Over a week Newbie friendliness 20/100

HaxeFlixel/flixel#3562 · Opened Feb 23, 2026
Use a float to represent game ticks Open

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

HaxeFlixel/flixel#3561 · 2 comments · 1 reaction · Opened Feb 22, 2026
Consider replacing HaxeFlixel’s built-in collision/physics system with a Phaser Arcade–based alternative for better performance and compatibility Open

Collisions

Difficulty 5/5 Over a week Newbie friendliness 20/100

HaxeFlixel/flixel#3557 · 3 comments · Opened Feb 17, 2026
Split parts of the draw method Open

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

HaxeFlixel/flixel#3552 · 1 comment · Opened Feb 3, 2026
FlxTextBitmap: Update line width caching Open

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

HaxeFlixel/flixel#3550 · Opened Jan 14, 2026
Transparent camera causes unnecessary draw calls Open

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

HaxeFlixel/flixel#3549 · 2 comments · Opened Jan 14, 2026
Game of Life - 404 Error Open

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

HaxeFlixel/flixel-demos#381 · Opened Jan 9, 2026
FlxSound and FlxG.sound: Further rework load methods Open

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

HaxeFlixel/flixel#3547 · 2 comments · Opened Jan 8, 2026
Optimize matrix recomputation Open

Collisions

Difficulty 5/5 Over a week Newbie friendliness 25/100

HaxeFlixel/flixel#3544 · 1 comment · 1 reaction · Opened Jan 6, 2026
Abstract BitmapData to allow ram dumping Open

Assets Rendering Structure

Difficulty 5/5 Over a week Newbie friendliness 25/100

HaxeFlixel/flixel#3540 · 8 comments · Opened Dec 26, 2025
Figure out starting tile Open

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

HaxeFlixel/flixel#3537 · Opened Dec 20, 2025
FlxFrame.flipX/Y doesn't do anything Open

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

HaxeFlixel/flixel#3536 · Opened Dec 16, 2025
Use matrices in `transformWorldToPixels` Open

Improvement Rendering

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

HaxeFlixel/flixel#3535 · Opened Dec 15, 2025
Create RenderFrontEnd Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

HaxeFlixel/flixel#3527 · Opened Dec 2, 2025
Switch Pro Controller inputs are gibberish Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

HaxeFlixel/flixel#3523 · 1 comment · Opened Nov 21, 2025
FlxSubState.onFocus and FlxSubState.onFocusLost don't get called Open

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

HaxeFlixel/flixel#3520 · Opened Nov 15, 2025
Add redirect/DNS entry for "www" subdomain Open

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

HaxeFlixel/haxeflixel.com#293 · Opened Oct 29, 2025
Fix seg faults in CI Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

HaxeFlixel/flixel-ui#298 · Opened Oct 13, 2025
Honor alpha channel in most colors Open

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

HaxeFlixel/flixel#3513 · 1 reaction · Opened Oct 12, 2025

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