Olga Novickaja
| Challenge | Status | End | Votes | Entries | Players |
|---|---|---|---|---|---|
| Special Collections | closed | 3 years, 8 months ago | 7200000 | 3927 | 3870 |
| Mountain Magic | closed | 3 years, 5 months ago | 8800000 | 21762 | 5463 |
| Cats on the Street | closed | 3 years, 3 months ago | 10100000 | 10529 | 5273 |
| Cold Weather Animals | closed | 2 years, 11 months ago | 6200000 | 3612 | 3552 |
| Looking Into the Lens | closed | 2 years, 3 months ago | 10800000 | 23309 | 5834 |
| Photographer of the Week | closed | 2 months, 3 weeks ago | 13944413 | 12953 | 3279 |