When video games first entered the consumer market scene in the 1970s, they were incredibly simple, abstract affairs when compared to today’s multi-million-dollar projects. An Internet search for “Pong source code” shows that the game can be made with about 200 lines of C++ code, whereas a game like Crysis runs on over one million. Back in the days of Pong and other early games, it was within the reach of enthusiasts, albeit those with programming skills, to make their own games on home computers. The founders of CodeMasters, Philip and Andrew Oliver, used to write games on their home PC and distribute them by having the source code published in magazines for other children to type.

Years later gaming computers and consoles became ...

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