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 |
|---|---|---|---|
| 314 | 2011-09-20 12:31:13 | 115.48 | 96% |
| 273 | 2011-05-15 14:43:32 | 107.12 | 91% |