sergey987654321. :: Visited collections
| collection | solved levels | % |
| aenigma | 47 | 94 |
| A.K.K. Informatika | 5 | 15.6 |
| AC Easy | 1 | 5 |
| AC Smileys | 1 | 0.2 |
| Alberto Garcia 1 | 21 | 14.1 |
| Alberto Garcia Arranged | 19 | 7.8 |
| Alberto Garcia Best 4 U | 2 | 4 |
| Alberto Garcia Plus 2 | 106 | 53.3 |
| Alberto Garcia remixed | 2 | 2.2 |
| All Remodels | 1 | 0.6 |
| Alphabet Soup | 26 | 100 |
| Andrej Cerjak | 2 | 2 |
| Aruba | 9 | 3.6 |
| Atlas 01 | 21 | 22.8 |
| Atlas 02 | 14 | 14.4 |
| Atlas 03 | 13 | 13.4 |
| Atlas 04 | 5 | 5 |
| Atlas 05 | 5 | 5.1 |
| Atlas 06 | 6 | 6 |
| Atlas 07 | 9 | 9.5 |
| Atlas 08 | 19 | 19.6 |
| Atlas 09 | 6 | 6.1 |
| Atlas 10 | 10 | 10.3 |
| Attrition | 22 | 12.3 |
| Birthday | 2 | 1 |
| Bugs 138 | 8 | 6.1 |
| Bugs 1005 | 13 | 1.3 |
| Bugs509 | 3 | 0.6 |
| Chrysalis | 8 | 2 |
| Chrysalis II | 3 | 6.1 |
| classic | 1 | 2.4 |
| Cosmac | 8 | 1.4 |
| David W. Skinner Arranged | 3 | 1 |
| Dries de Clercq | 1 | 0.7 |
| Revenge Collections | 1 | 0.2 |
| Revenge Collections II | 1 | 0.2 |
| Strategy | 5 | 5.3 |
| Sven 01 | 53 | 5.3 |
| Sven 2 | 1 | 0.2 |
| Zivojin Trifunovic | 2 | 0.5 |
| total | 485 | |