Below are Goulas's lifetime solving statistics, broken down by puzzle size.  
| Played: | 
15 | 
| Solved: | 
15 | 
| Success Rate: | 
100% | 
| Average Time: | 
643 s. | 
 
| Played: | 
45 | 
| Solved: | 
44 | 
| Success Rate: | 
97.8% | 
| Average Time: | 
208.5 s. | 
 
| Played: | 
46 | 
| Solved: | 
45 | 
| Success Rate: | 
97.8% | 
| Average Time: | 
237.7 s. | 
 
| Played: | 
716 | 
| Solved: | 
706 | 
| Success Rate: | 
98.6% | 
| Average Time: | 
193 s. | 
 
| Played: | 
238 | 
| Solved: | 
235 | 
| Success Rate: | 
98.7% | 
| Average Time: | 
337.9 s. | 
 
| Played: | 
6235 | 
| Solved: | 
6221 | 
| Success Rate: | 
99.8% | 
| Average Time: | 
238.5 s. | 
 
| Played: | 
7295 | 
| Solved: | 
7266 | 
| Success Rate: | 
99.6% | 
| Average Time: | 
237.9 s. | 
 
* Monthly competitions began in July 2013.