Waldemar :: Visited collections
| collection | solved levels | % |
| aenigma | 7 | 14 |
| Alberto | 4 | 8 |
| Aruba | 1 | 0.4 |
| Atlas 01 | 2 | 2.2 |
| Atlas 03 | 1 | 1 |
| Birthday | 3 | 1.5 |
| Bugs 138 | 1 | 0.8 |
| Bugs 1005 | 4 | 0.4 |
| Chrysalis | 1 | 0.2 |
| Chuchubi | 2 | 0.2 |
| Cosmac | 1 | 0.2 |
| Dushi | 1 | 1 |
| Erim Sever | 1 | 0.4 |
| Li Jin You | 3 | 0.8 |
| Microban IV | 1 | 1 |
| Mini Cosmos | 3 | 7.5 |
| Tammy Rock | 1 | 4 |
| Zig Zag Plus | 1 | 1 |
| Zivojin Trifunovic | 2 | 0.5 |
| total | 40 | |