| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,256 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,275 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,562 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,249 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,948 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,343 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,437 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,875 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,906 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,826 |
| US States Quiz | 0 | - | 5.00 | 16,795,808 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,048 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,700 |
| Central American Countries | 0 | - | 4.98 | 155,634 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,167 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,142 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,561 |
| Name a Valid African Country | 0 | - | 4.98 | 153,529 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 36,407 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,229 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,529,468 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,860 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,501 |
| Countries of Africa | 0 | - | 5.00 | 2,523,989 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,472 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,359 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,072 |
| US States with an Empty Map | 0 | - | 5.00 | 621,877 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,487 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,134 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,367 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,467 |
| The Only European Country ... | 0 | - | 4.91 | 215,422 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,305 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,472 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,504 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,296 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,276 |
| Countries that Beat China | 0 | - | 4.86 | 115,278 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,315 |
| South America Map Quiz | 0 | - | 5.00 | 1,545,527 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,012 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,483 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,193 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,638 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,547 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,220 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,657 |
| Countries of the Middle East | 0 | - | 4.96 | 200,044 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,827 |
| Slavic Countries | 0 | - | 4.96 | 111,328 |
| African Island Countries | 0 | - | 4.96 | 101,243 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,718 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,418 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,069 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,861 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,358 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,238 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,311 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,439 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,591 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,776 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,981 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,785 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,799 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,647 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,903 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,007 |
| Rivers of the United States | 0 | - | 4.93 | 65,903 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,386,650 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,306 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,183 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,632 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,742 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,943 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,768 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,604 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,428 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,071 |
| Random U.S. City to State | 0 | - | 4.45 | 75,843 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,576 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,586 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,790 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,792 |
| Monarchies of Europe | 0 | - | 4.90 | 97,769 |
| Monarchies of Asia | 0 | - | 4.97 | 70,876 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,689 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,854 |
| The Only African Country ... | 0 | - | 4.99 | 128,770 |
| The Only American Country ... | 0 | - | 4.92 | 121,238 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,960 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,524 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,509 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,046 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,591 |
| European Countries with One Border | 0 | - | 4.97 | 182,239 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,097 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,793 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,492 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,319 |
| Peru Country Quiz | 0 | - | 4.54 | 48,502 |
| Chile Country Quiz | 0 | - | 4.75 | 39,922 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,761 |
| Panama Country Quiz | 0 | - | 4.61 | 25,718 |
| Belize Country Quiz | 0 | - | 4.85 | 20,898 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,337 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,076 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,921 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,899 |
| UK Immigration by Country | 0 | - | 4.94 | 140,464 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,137 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,521 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,785 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,241 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,581 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,243 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,849 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 120,152 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,530 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,183 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,020 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,805 |
| Arms Exports - United States | 0 | - | 4.75 | 62,091 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,580 |
| Which South American Country? | 0 | - | 4.69 | 51,851 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,707 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,582 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,721 |
| Countries That Border Russia | 0 | - | 4.98 | 460,569 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,781 |
| Countries Bordering France | 0 | - | 4.83 | 401,375 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,187 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,425 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,818 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 71,938 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,618 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,196 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,462 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,527 |
| Germany Country Quiz | 0 | - | 4.82 | 157,300 |
| Russia Country Quiz | 0 | - | 4.85 | 114,110 |
| Italy Country Quiz | 0 | - | 4.82 | 122,786 |
| Japan Country Quiz | 0 | - | 4.93 | 142,013 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,094 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,143 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,964 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,223 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,293 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,576 |
| Syria Country Quiz | 0 | - | 4.81 | 32,580 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,680 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,726 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,129 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,270 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,529 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 38,879 |
| States that Beat Texas | 0 | - | 4.58 | 44,242 |
| O Canada Lyrics | 0 | - | 4.47 | 50,895 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,560 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,820 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,883 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,083 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,371 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,216 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,906 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,343 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,684,073 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,002 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,414 |
| Random European Capital to Country | 0 | - | 4.98 | 190,247 |
| Random European Country to Capital | 0 | - | 4.93 | 161,345 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,947 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,046 |
| Random African Country to Capital | 0 | - | 4.94 | 70,835 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,964 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,164 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,238 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,320 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,482 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,751 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,621 |
| Every European Country Shape | 0 | - | 4.96 | 200,995 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,400 |
| Every African Country Shape | 0 | - | 4.90 | 86,751 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,396 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,595 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,891 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,039 |
| Countries Bordering India | 0 | - | 4.98 | 163,234 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,987 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,072 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,050 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,064 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,364 |
| Countries that Border China | 0 | - | 4.96 | 262,616 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,124 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,712 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,333 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,429 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,126 |
