| Countries of the World Quiz | 47,564,006 | 0 | - |
| All Counties of the United States by First Two Letters | 27,513 | - | - |
| Countries Containing Each Letter A-Z | 153,452 | 0 | - |
| World Capitals Containing Each Letter A-Z | 40,453 | 0 | - |
| Europe by Borders in 30 Seconds | 428,814 | 0 | - |
| Countries by Languages in 90 Seconds | 722,381 | 0 | - |
| U.S. States by First Two Letters in 30 Seconds | 1,393,373 | 0 | - |
| U.S. Baby Boy Names by Decade | 490,182 | 0 | - |
| U.S. Baby Girl Names by Decade | 713,582 | 0 | - |
| Most Popular 7+ letter Baby Girl Names by Decade (UK) | 22,763 | - | - |
| Most Popular 7+ letter Baby Boy Names by Decade (UK) | 14,751 | - | - |
| Name a Five Letter Word A-Z | 164,006 | 0 | - |
| Most Popular 3 and 4-letter Baby Girl Names by Decade (UK) | 28,749 | - | - |
| Save Humanity by Guessing Countries | 576,133 | 0 | - |
| Most Popular 3 and 4-letter Baby Boy Names by Decade (UK) | 18,752 | - | - |
| Countries by First Two Letters in 90 Seconds | 5,630,953 | 0 | - |
| Countries by First and Last Two Letters | 1,816,859 | 0 | - |
| North American Pro Sports Teams Containing Each Letter A-Z | 1,098 | - | - |
| Largest Cities for each Latitude Degree | 48,206 | 0 | - |
| Countries, U.S. States, and Capitals by First Two Letters | 488,237 | 0 | - |
| World Currencies Quiz on a Map | 61,272 | 0 | - |
| All 100k+ Cities in Europe on a Map | 101,738 | 0 | - |
| World Capitals by Proximity | 331,989 | 0 | - |
| All 3,143 Counties of the United States on a Map | 332,884 | 0 | - |
| 200k+ U.S. Cities Containing Each Letter A-Z | 1,923 | - | - |
