It turns out it was Knoppix 3.4 released in May 2004 that obsessed me as a child, providing me with some of my earliest steps into a larger world. Not only that, but the CD-R disc it was burned on still reads even after all of these years. Considering the volatility of such media, this surprised me.

John Carmack's generosity in releasing his older source code resulted in a proliferation of free first person shooters in the 2000s, but Dutch programmer Wouter van Oortmerssen rejected this path to forge Cube based in the same "just for fun" spirit with which Linus Torvalds first began work on the Linux kernel.