Siniša Nikolić
| Challenge | Status | End | Votes | Entries | Players |
|---|---|---|---|---|---|
| Patterns In Nature | closed | 1 year ago | 8531787 | 13209 | 3273 |
| Forever Fields | closed | 10 months, 4 weeks ago | 9043769 | 13396 | 3316 |
| Next to the Water | closed | 7 months ago | 8571451 | 14328 | 3544 |
| Old but Still Working | closed | 3 months, 3 weeks ago | 7644594 | 6123 | 2981 |