| Quiz | Takes | Points | Best |
|---|---|---|---|
| First European Cities in History to Reach 100,000 People | 52,301 | 0 | - |
| Countries in a Penrose Tiling of the World Map | 57,050 | 0 | - |
| Name a Valid U.S. State #1 | 209,638 | 0 | - |
| All Counties of the United States by Proximity | 308,413 | 0 | - |
| World Capitals Quiz | 5,088,423 | 0 | - |
| Original 151 Pokémon | 791,726 | 0 | - |