Blockland

A very entertaining game where you can build and have deathmatches.It is easily moddable.    Which means:        -You can make your own maps and objects and weapons.        -If you know what you're doing you can add new modes like RPG mode or something cool like that.       

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Doom as a tool for system administration

"As I was listening to Anil talk about daemons spawning processes and sysadmins killing them, I thought, "What a great user interface!" Imagine running around with a shotgun blowing away your daemons and processes, never needing to type kill -9 again."

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