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 |
|---|---|---|---|
| 700 | 2012-12-05 18:34:47 | 55.20 | 90% |
| 602 | 2012-11-28 06:13:10 | 62.75 | 90% |