Michael Müller
| Challenge | Status | End | Votes | Entries | Players |
|---|---|---|---|---|---|
| Water Birds | closed | 2 years, 1 month ago | 10100000 | 21407 | 5354 |
| Anything Goes | closed | 1 year, 10 months ago | 225000 | 1743 | 1700 |
| People And Water | closed | 1 year, 8 months ago | 8700000 | 18866 | 4745 |
| Zoo Animals | closed | 1 year, 6 months ago | 7500000 | 7724 | 3827 |
| Assembly of Birds | closed | 1 year ago | 8771849 | 6358 | 3134 |
| Diagonals | closed | 9 months, 4 weeks ago | 9376486 | 6570 | 3189 |
| Golden Ratio In Action | closed | 7 months, 2 weeks ago | 7585463 | 11878 | 2936 |
| Sharp And Pointy | active | 2 months, 2 weeks ago | 6419529 | 7864 | 2831 |