Stanimir Chakalov
| Challenge | Status | End | Votes | Entries | Players |
|---|---|---|---|---|---|
| Our Earth - 24 hours | closed | 4 years, 7 months ago | 10800000 | 11302 | 11179 |
| Looking Down | closed | 4 years, 1 month ago | 17400000 | 17405 | 5814 |
| Being Together | closed | 3 years, 11 months ago | 15200000 | 14441 | 7174 |
| Land vs Sea | closed | 3 years, 9 months ago | 12800000 | 31644 | 7883 |
| Photographer of the Week | closed | 3 years, 6 months ago | 23400000 | 27115 | 6895 |
| Mist & Fog | closed | 3 years, 5 months ago | 15600000 | 21201 | 7096 |
| Capturing Birds | closed | 3 years, 3 months ago | 12600000 | 32156 | 8041 |
| Rotated | closed | 3 years, 1 month ago | 8500000 | 7177 | 3572 |
| Photography in Motion | closed | 2 years, 11 months ago | 9300000 | 20913 | 5209 |
| City Life | closed | 2 years, 9 months ago | 10800000 | 25566 | 6366 |
| Starts With "G" | closed | 2 years, 6 months ago | 10700000 | 24228 | 6070 |
| Photographer of the Week | closed | 2 years, 4 months ago | 19800000 | 21394 | 5466 |
| Mosaics or Tiles | closed | 2 years, 3 months ago | 5700000 | 3165 | 3098 |
| Skyscrapers | closed | 2 years ago | 10600000 | 13962 | 4663 |
| Photogenic | closed | 1 year, 10 months ago | 6900000 | 17283 | 4372 |
| Fantastic Photos | closed | 1 year, 8 months ago | 161000 | 1307 | 1282 |
| For The Cats | closed | 1 year, 6 months ago | 8300000 | 18423 | 4640 |
| Beautiful In My Eyes | closed | 1 year, 1 month ago | 178000 | 1195 | 1174 |
| I Love Photography | closed | 11 months, 1 week ago | 6389670 | 13805 | 3475 |
| Inspire Me | closed | 9 months ago | 73986 | 606 | 581 |
| Only Odds | closed | 5 months ago | 7857141 | 12224 | 2986 |
| Turn On Your Imagination | closed | 3 months ago | 5079583 | 9818 | 2452 |