ChaosEsque Anthology is a first person shooter. It is a standalone modification of Xonotic which includes extended weapons, maps, vehicles, buildable buildings, mounted weapons, spell casting, monsters, player characters, textures, and game modes.
Firejail is a security sandbox tool, which utilizes Linux 3.x namespaces to setup restricted environments for untrusted applications. It works for console and graphical applications, servers, or even login sessions; by assigning them and their subprocesses a private view of globally shared kernel resources. Firejail isolates mount points, adds chrooting, filesystem writability or overlays, sandbox filesystem sharing, networking stack and firewall isolation, constrains interprocess communication,