FSYS Agent — Platformer

Help the Collector from Australia collect cards from the clouds in Kenya!

Jump and run through procedurally generated cloud platforms, collect scattered cards, and survive the deadly spikes.

Play

https://jr.fsysgame.org

Tech Stack

  • Phaser 3 — HTML5 game framework (renderer: Canvas/WebGL)
  • Vanilla JS — no bundler, no framework, no transpiler; plain ES5-style JS loaded via <script> tags
  • DOM Touch Events — multi-touch joystick + jump for mobile controls (native TouchEvent API)
  • CSS Orientation Lock — rotate-to-landscape overlay with @media (orientation: portrait) and (pointer: coarse)
  • No build step — open index.html in a browser or serve any static file server

Features

  • Procedural cloud platform generation with difficulty scaling
  • 60 unique cards to collect, each with custom thumbnail art
  • Double jump with particle burst effect
  • 360° analog joystick (left side) + tap-to-jump (right side) for mobile
  • Keyboard support: arrow keys / WASD + Space / Up
  • Automatic landscape rotation prompt on mobile
  • Fullscreen button on touch devices (auto-fullscreen on first tap)
  • Social preview cards (Open Graph / Twitter Card)

Structure

index.html           — game entry point
phaser.min.js        — Phaser 3 library
preview.png          — social preview image (1728×1080)
src/
  main.js            — Phaser config & game init
  scenes/
    Boot.js          — boot / splash scene
    Preloader.js     — asset loading with progress bar
    TitleScreen.js   — title screen
    Game.js          — main gameplay scene
    GameOver.js      — game over screen
public/
  images/
    cloud.png
    jump_pad.png
    fsys_platform_bg.png
    cards/thumbs/    — 60 card thumbnails (56×76)
  assets/
    sprites/         — player & environment sprites
    tiles/           — platform/obstacle tiles
    sounds/          — sound effects (OGG)

Controls

Input Action
Arrow/WASD Move left/right
Space / Up Jump (double jump)
Left stick Move (mobile)
Right tap Jump (mobile)

Development

Serve the game/ directory with any static file server:

python3 -m http.server 8080
# or
npx serve .

No build step, no npm install, no config needed.

License

FSYS Game — Alliance of Bioversity International and CIAT / CGIAR

S
Description
Platformer — collect cards from the clouds. Phaser 3, mobile touch controls, double jump, procedural levels.
https://jr.fsysgame.org
Readme 7.2 MiB
Languages
JavaScript 90.5%
HTML 9.5%