Christos Sotiris
| Challenge | Status | End | Votes | Entries | Players |
|---|---|---|---|---|---|
| Cats on the Street | closed | 3 years, 5 months ago | 11800000 | 10022 | 5013 |
| Spiky Thorns | closed | 3 years, 3 months ago | 6900000 | 4104 | 4030 |
| Unique Gradients | closed | 3 years, 1 month ago | 8900000 | 20142 | 5067 |
| Portraits In The City | closed | 2 years, 11 months ago | 10000000 | 9226 | 4538 |
| People In Nature | closed | 2 years, 6 months ago | 9600000 | 20878 | 5235 |
| A Moment To Remember | closed | 1 year, 6 months ago | 9200000 | 6122 | 3014 |
| Master of Editing | closed | 1 year, 2 months ago | 7628348 | 12596 | 3105 |
| Interesting Gradients | closed | 1 year ago | 7855122 | 12736 | 3163 |
| Photographer of the Week | closed | 10 months, 1 week ago | 13508207 | 13335 | 3383 |
| Cause Commotion | closed | 7 months, 2 weeks ago | 4513313 | 3518 | 1681 |
| Photo of the Week! | closed | 3 weeks ago | 11528553 | 3145 | 2944 |