You play netPanzer typically across Internet against other Player.
It is an OpenSource Game and 100% Freeware, published under the GNU General Public License version 2.0 (GPLv2).
Just download and install netPanzer on your PC - there are Versions for Windows, Linux, Mac OS and even Commodore Amiga.
Read more about netPanzer the Game.
On netpanzer.info you can