| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,494 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,134 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,465 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,131 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,723 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,245 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,381 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,681 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,684 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,677 |
| US States Quiz | 0 | - | 5.00 | 16,758,715 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,386 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,525 |
| Central American Countries | 0 | - | 4.98 | 155,413 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,085 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,171 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,357 |
| Name a Valid African Country | 0 | - | 4.98 | 153,292 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,355 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,290 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,524,686 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,285 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,077 |
| Countries of Africa | 0 | - | 5.00 | 2,517,407 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,322 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,288 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,005 |
| US States with an Empty Map | 0 | - | 5.00 | 620,763 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,330 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,694 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,157 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,121 |
| The Only European Country ... | 0 | - | 4.91 | 214,811 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,835 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,112 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,415 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,015,892 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,004 |
| Countries that Beat China | 0 | - | 4.86 | 115,072 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,170 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,608 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,904 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,174 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,966 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,363 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,967 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,976 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,101 |
| Countries of the Middle East | 0 | - | 4.96 | 199,630 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,607 |
| Slavic Countries | 0 | - | 4.96 | 111,136 |
| African Island Countries | 0 | - | 4.96 | 101,058 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,629 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,151 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,853 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,583 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,060 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,024 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,104 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,337 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,438 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,609 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,817 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,583 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,655 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,510 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,751 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,699 |
| Rivers of the United States | 0 | - | 4.93 | 65,734 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,384,328 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,134 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,982 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,408 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,660 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,559 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,460 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,327 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,253 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,972 |
| Random U.S. City to State | 0 | - | 4.45 | 75,558 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,692 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,437 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,643 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,670 |
| Monarchies of Europe | 0 | - | 4.90 | 97,594 |
| Monarchies of Asia | 0 | - | 4.97 | 70,766 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,572 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,437 |
| The Only African Country ... | 0 | - | 4.98 | 128,622 |
| The Only American Country ... | 0 | - | 4.92 | 121,086 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,886 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,401 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,258 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,771 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,389 |
| European Countries with One Border | 0 | - | 4.97 | 181,990 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,877 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,635 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,330 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,234 |
| Peru Country Quiz | 0 | - | 4.54 | 48,437 |
| Chile Country Quiz | 0 | - | 4.75 | 39,846 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,711 |
| Panama Country Quiz | 0 | - | 4.61 | 25,668 |
| Belize Country Quiz | 0 | - | 4.85 | 20,857 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,283 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,521 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,821 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,364 |
| UK Immigration by Country | 0 | - | 4.94 | 140,005 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,925 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,318 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,593 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,087 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,902 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,864 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,666 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 118,235 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,359 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,016 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,928 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,678 |
| Arms Exports - United States | 0 | - | 4.75 | 61,545 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,442 |
| Which South American Country? | 0 | - | 4.69 | 51,796 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,522 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,400 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,633 |
| Countries That Border Russia | 0 | - | 4.98 | 460,019 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,662 |
| Countries Bordering France | 0 | - | 4.83 | 400,799 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,758 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,349 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,712 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,633 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,469 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,113 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,361 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,463 |
| Germany Country Quiz | 0 | - | 4.82 | 157,023 |
| Russia Country Quiz | 0 | - | 4.85 | 113,943 |
| Italy Country Quiz | 0 | - | 4.82 | 122,566 |
| Japan Country Quiz | 0 | - | 4.92 | 141,746 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,725 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,024 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,898 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,150 |
| Kazakhstan Country Quiz | 0 | - | 4.79 | 35,447 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,185 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,481 |
| Syria Country Quiz | 0 | - | 4.81 | 32,500 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,606 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,581 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,574 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,102 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,499 |
| U.S. States by Clue #1 | 0 | - | 4.50 | 38,771 |
| States that Beat Texas | 0 | - | 4.58 | 44,190 |
| O Canada Lyrics | 0 | - | 4.47 | 50,854 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,189 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,609 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,716 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,946 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,136 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,921 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,761 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,268 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,681,476 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,803 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,244 |
| Random European Capital to Country | 0 | - | 4.98 | 189,648 |
| Random European Country to Capital | 0 | - | 4.92 | 147,756 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,594 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,699 |
| Random African Country to Capital | 0 | - | 4.94 | 70,411 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,891 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,039 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,172 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,257 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,401 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,284 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,139 |
| Every European Country Shape | 0 | - | 4.96 | 200,676 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,928 |
| Every African Country Shape | 0 | - | 4.90 | 86,487 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,146 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,424 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,615 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,893 |
| Countries Bordering India | 0 | - | 4.98 | 163,133 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,884 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,971 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,998 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,965 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,307 |
| Countries that Border China | 0 | - | 4.96 | 262,317 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,016 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,641 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,230 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,355 |
