Good games stay within, but at the outer edge, of the player's regime of competence. That is, they feel doable but challenging. This makes them pleasantly frustrating - a flow state for human beings.
| Game | Time | WPM | Accuracy |
|---|---|---|---|
| 175 | 2015-01-07 02:10:47 | 103.22 | 96% |
| 109 | 2011-06-17 18:28:08 | 79.02 | 99% |