Jan Křikava
| Challenge | Status | End | Votes | Entries | Players |
|---|---|---|---|---|---|
| Fairytale landscape | closed | 6 years ago | 7500000 | 5384 | 5358 |
| Ireland with Love | closed | 5 years, 10 months ago | 1200000 | 967 | 951 |
| Pretty Birds | closed | 5 years, 7 months ago | 10500000 | 7101 | 7057 |
| All Roads Lead To Rome | closed | 4 years, 8 months ago | 3300000 | 1838 | 1810 |
| Touristic Destinations | closed | 3 years, 11 months ago | 12500000 | 30300 | 7582 |
| Castles wherever you look | closed | 3 years, 8 months ago | 7100000 | 3918 | 3853 |
| Your Portfolio | closed | 2 years, 6 months ago | 11400000 | 26079 | 6578 |
| Stones, Bricks, and Cement | closed | 2 years, 4 months ago | 8500000 | 18961 | 4735 |
| Photo of the Week! | closed | 1 year, 10 months ago | 16000000 | 4879 | 4734 |
| Powerful Bridges | closed | 1 year, 6 months ago | 10500000 | 14278 | 4759 |
| Speed | closed | 10 months, 3 weeks ago | 10350954 | 10716 | 3506 |