About
Freekick 3 is an open-source soccer game for Linux, built with the Boost C++ libraries, SDL, SDL_image, SDL_ttf, OpenGL and tinyxml, licensed under GPLv3+ with artwork under CC BY-SA 3.0. It ships with a set of made-up teams by default.
How it differs from the original
It uses fictional made-up teams out of the box rather than real licensed ones, though players can convert Sensible World of Soccer team data or fetch real team data from Wikipedia via a companion tool to replace them.
Getting started
Install the required libraries, clone the repo with its git submodule, then build with make and run via bin/freekick3. Control kick direction with the mouse and running direction with W/A/S/D; more detail is available in the in-game help.