Alfred Stefan
| Challenge | Status | End | Votes | Entries | Players |
|---|---|---|---|---|---|
| Very Sentimental | closed | 3 years, 11 months ago | 10300000 | 9155 | 4536 |
| Patterns in Nature | closed | 3 years, 9 months ago | 13200000 | 29712 | 7372 |
| Strong Lines | closed | 3 years, 7 months ago | 10100000 | 23421 | 5881 |
| Mushroom Hunting | closed | 3 years, 5 months ago | 12300000 | 15352 | 5265 |
| Machinery and Tools | closed | 3 years ago | 9100000 | 9394 | 4659 |
| Significant Portraits | closed | 2 years, 10 months ago | 10100000 | 23578 | 5851 |
| Wood and Metal Mixed | closed | 2 years, 8 months ago | 11500000 | 9725 | 4803 |
| Sunrise VS Sunset | closed | 2 years, 4 months ago | 12200000 | 29726 | 7488 |
| Looking Into the Lens | closed | 2 years ago | 9800000 | 19818 | 4928 |
| Dramatic Sky | closed | 1 year, 11 months ago | 11300000 | 23922 | 5946 |
| Just Three Colors | closed | 2 months, 2 weeks ago | 8403233 | 5906 | 2847 |