Pumped Up Software That's Easier To Master

A decade ago, one of the most popular personal computer games was an adventure program called Zork. Like most other early-generation titles, Zork came on one floppy disk and had major limitations. Instead of looking at colorful pictures, players had to rely on text descriptions, such as "You are standing in an open field, west of a white house." They would have to type instructions, such as "open door," and the computer would respond with more text.

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