This is an open-source game written with Cocso2d-x engine during a weekend. It's about a polygon which you must crop it repeatedly. The more you shrink it, the more score you collect.
You can download the prebuilt version of the game for MacOS from Releases page. For other platforms, read below.
Cocos2d-x is a multi-platform game engine, so you can easily build the game for any platforms (iOS, Android, Linux, MacOs, Windows). The game originally was built with cocso2d-x v3.17.1 but any 3.x version must be fine.
The source of the game is under MIT license. For more information have a look at LICENSE file.