Lockdown Protocol is a platformer style third person shooter game with built-in level editor. It features a classic platformer style single player game where you must fight your way to exit collecting power cells on the way as well as multiplayer mode where you can fight against your friends over internet or LAN.
The Platform Shooter public alpha demo version 0.9.0 for 64-bit Linux distributions. Upgradable to full version by purchasing a product key.
This package has been tested in latest stable releases of Ubuntu, Debian, OpenSUSE, CentOS and Fedora distributions, but it should work in many other distributions too. In some Linux distributions (for example Fedora) you may need to install libXaw package from package manager.