Below are Lem's lifetime solving statistics, broken down by puzzle size.
| Played: |
8 |
| Solved: |
8 |
| Success Rate: |
100% |
| Average Time: |
65.1 s. |
| Played: |
16 |
| Solved: |
16 |
| Success Rate: |
100% |
| Average Time: |
93.1 s. |
| Played: |
33 |
| Solved: |
33 |
| Success Rate: |
100% |
| Average Time: |
145 s. |
| Played: |
2213 |
| Solved: |
2209 |
| Success Rate: |
99.8% |
| Average Time: |
289 s. |
| Played: |
83 |
| Solved: |
82 |
| Success Rate: |
98.8% |
| Average Time: |
380.6 s. |
| Played: |
58 |
| Solved: |
58 |
| Success Rate: |
100% |
| Average Time: |
451.2 s. |
| Played: |
2411 |
| Solved: |
2406 |
| Success Rate: |
99.8% |
| Average Time: |
292 s. |
* Monthly competitions began in July 2013.