Website: http://collider.physics.ox.ac.uk/about.html
This code works with Marmalade v8.5.0.
It also uses the AppEasy asset (https://assetstore.madewithmarmalade.com/index.php?route=product/product&product_id=166). Previously this was called IwGame. You don't need to download AppEasy as this is already in this repository (but with some bugs fixed, so do not replace it!). The AppEasy website is down, the only thing I have is a back-up of the IwGame web-site (see repository).
The main file you need to start working with Marmalade is atlasapp/GameSceneGL.mkb.