| Countries of the World in 1789 with a Map | 65,976 | 0 | - |
| States of the Holy Roman Empire in 962 with a Map | 6,845 | - | - |
| Countries of Europe in 1810 with a Map | 20,956 | - | - |
| Countries of Iberia in 1035 with a Map | 3,676 | - | - |
| Countries by First and Last Two Letters | 1,809,171 | 0 | - |
| Great Lakes Quiz | 50,258 | 0 | - |
| Rivers of the United States | 65,909 | 0 | - |
| 250 World Cities Everyone Should Know | 7,901 | - | - |
| 100 Biggest Cities in Europe in 1900 with a Map | 9,434 | - | - |
| Countries, U.S. States, and Capitals by First Two Letters | 485,992 | 0 | - |
| United States Map Quiz | 4,149,791 | 0 | - |
| U.S. State Capitals Map Quiz | 143,221 | 0 | - |
| Countries of North and South America (with a map) | 61,672 | - | - |
| English Royal Consorts | 37,285 | 0 | - |
| Name the Popes Quiz | 137,669 | 0 | - |
| Popular Royal Names | 124,763 | 0 | - |
| US States and State Capitals | 160,579 | 0 | - |
| Name a Valid Year in History | 66,849 | 0 | - |
| All 3,143 Counties of the United States on a Map | 330,248 | 0 | - |
| Countries Containing Each Letter A-Z | 151,397 | 0 | - |
| All 425 Counties of the United States in 1800 on a Map | 1,128 | - | - |
| Counties of England Map Quiz | 306,769 | 0 | - |
| States of Germany Map Quiz | 132,312 | 0 | - |
| Anglo-Saxon Kingdoms of England | 25,727 | 0 | - |
| Anglo-Saxon Kingdoms of England Map | 1,585 | - | - |
| Olympian Gods Quiz | 498,797 | 0 | - |
| Neutral European Countries of WWII | 161,031 | 0 | - |
| Figures from Greek Mythology | 186,020 | 0 | - |
| Countries Closest to Germany A-Z | 27,151 | 0 | - |
| Five Biggest Cities by Country | 166,148 | 0 | - |
| Save Humanity by Guessing Countries | 563,630 | 0 | - |
| Biggest City in Each U.S. State | 167,857 | 0 | - |
| Name Every Beatles Song | 235,229 | 0 | - |
| Countries of Europe in 1815 With a Map | 149,643 | 0 | - |
