Flame vs Phaser
Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.
Open source · MIT
A free JavaScript framework for making 2D HTML5 games that run in web browsers and on mobile web.
The short answer
Choose Flame if you need…
- Flutter developers who want to add a game to an app
- Developers making 2D games in Dart
- Learners exploring game loops and component systems with a familiar language
- Teams that want optional bridge packages for physics, tile maps, or animation tools
Choose Phaser if you need…
- Developers who already know JavaScript or TypeScript and want to make 2D browser games
- Hobbyists making simple 2D games for the web
- Teams that want to use Phaser alongside React, Vue, Angular or Svelte
- Developers making games for platforms like Discord Activities or YouTube Playables, as described in the README
Side-by-side
| Flame | Phaser | |
|---|---|---|
| Type | Library | Library |
| Price | Free and open source | Free and open source |
| Licence | MIT | MIT |
| GitHub stars | 10.8k | 40.6k |
| Setup difficulty | Intermediate | Intermediate |
| How you get it | Install with a package manager | Install with a package manager |
| Main language | Dart | JavaScript |
| Last code update | 4 days ago | 3 months ago |
What each one is
Flame
Flame is a game engine built on Flutter, the Google UI toolkit, and written in Dart. It provides common game building blocks such as a game loop, a component system, collision detection, input handling, sprites and animations, and effects. It is meant for developers who want to make games using Flutter instead of a dedicated game engine.
Phaser
Phaser is an open source framework for building 2D games with JavaScript or TypeScript that run in web browsers on desktop and mobile. It provides rendering (WebGL and Canvas), physics options, input handling, cameras, tilemaps, animations and other building blocks so you don't have to write them from scratch. According to the README, it can also be wrapped for some app stores and platforms such as Steam and Discord Activities using third-party tools.
Best for
Flame
- Flutter developers who want to add a game to an app
- Developers making 2D games in Dart
- Learners exploring game loops and component systems with a familiar language
- Teams that want optional bridge packages for physics, tile maps, or animation tools
Phaser
- Developers who already know JavaScript or TypeScript and want to make 2D browser games
- Hobbyists making simple 2D games for the web
- Teams that want to use Phaser alongside React, Vue, Angular or Svelte
- Developers making games for platforms like Discord Activities or YouTube Playables, as described in the README
Strengths
Flame
- Official bridge packages connect it to many tools, including Tiled, Rive, Spine, and Box2D physics
- Documentation, a browser-based examples site, and tutorials are linked from the README
- Active project with a large community on Discord and a recent push date
Phaser
- Free and open source under the MIT license, with a large community and a commercial maintainer, Phaser Studio Inc
- Runs in the browser with both WebGL and Canvas rendering, so one codebase covers desktop and mobile web
- Ships with a broad feature set in one package, including physics, animation, input, cameras and tilemaps
Not ideal for
Flame
- People who need a full visual editor, since the README describes a code-first engine and does not mention one
- Teams building large 3D games, because the README calls the 3D package experimental
- Non-programmers, since it requires writing Dart code
Phaser
- People who want to make 3D games, since the README describes Phaser as a 2D framework
- Complete beginners with no programming experience, since it requires working with JavaScript or TypeScript
- Projects that need a full visual game editor, since the README focuses on a code-based workflow
Trade-offs
Flame
- Tied to the Flutter ecosystem, so it is not a good choice if you do not want to use Flutter or Dart
- The README notes that main-branch docs can be newer than the published docs site, so version mismatches are possible
- The 3D package is labeled experimental
Phaser
- The full build is large in raw form (phaser.js is over 8 MB, though the minified build is 345 KB compressed), and the README suggests trimming features to reduce size
- Phaser 4 changed the rendering system from v3, so existing v3 projects may need migration per the linked migration guide
- Claims such as 'AI-ready' and 'million sprites' come from the README's own marketing and were not independently verified here
Getting started
Flame
Add Flame to a Flutter project
git clone https://github.com/flame-engine/flamePhaser
Install via npm
npm install phaserCreate a new game project with the interactive tool
npm create @phaserjs/game@latestFrequently asked questions
What is the difference between Flame and Phaser?
Flame: A game engine for building 2D games with Flutter and Dart. Phaser: A free JavaScript framework for making 2D HTML5 games that run in web browsers and on mobile web. Flame suits flutter developers who want to add a game to an app, while Phaser suits developers who already know javascript or typescript and want to make 2d browser games.
Are Flame and Phaser free?
Flame: Free and open source. Phaser: Free and open source.
Is Flame or Phaser more popular?
Phaser has more GitHub stars (40.6k) than Flame (10.8k). Popularity isn't the same as fit — check which one matches your use case above.
What are other alternatives to Flame and Phaser?
Other options people compare them with include Godot, EnTT, PlayCanvas, Jolt Physics, Dear ImGui.
Keep comparing
Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.