The invention of the wheel represented a major turning point in human civilization. Besides its use in transportation, the wheel went on to become the basic principle behind almost every mechanical device.
Game | Time | WPM | Accuracy |
---|---|---|---|
615 | 2014-02-09 11:14:21 | 25.00 | 79% |
473 | 2014-02-06 12:54:55 | 41.50 | 99% |