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 |
|---|---|---|---|
| 911 | 2012-02-06 19:06:22 | 44.78 | 95% |
| 612 | 2012-01-29 10:55:29 | 39.41 | 92% |