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A simple 2D web game built with Rust and WebAssembly to celebrate the OSOCO's 15th anniversary.
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OSOCO Xmas 2018 Game

A simple 2D game to celebrate the OSOCO's 15th anniversary.

The game is built in Rust and compiled to WebAssembly.

It's a forked version of the SergiusIW's chirperjax game using the Gate and Collider crates.

Play Online

You can play online to this game at the following URL:


To be able to build the game it's required a Rust environment, so you should install Rust:

curl -sSf | sh

Once you have Rust installed you can proceed to build the project with the following script:

$ ./

The previous script will add the wasm32-unknown-unknown Rust compiler target and build the game. Also it will generate an html directory with an index.html file and other assets.

Finally, try to open the html/index.html file in your web browser.


This game is licensed by OSOCO under the GNU General Public License v3.0.

The assets, found in the src_assets/ directory, are licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 License.

The background music is "Boss Fight" by Patric de Arteaga (

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