| Cuba Country Quiz | 0 | - | 4.70 | 51,598 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,232 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,820 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,694 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,736 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,948 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,683 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,607 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,617 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,268 |
| US States Quiz | 0 | - | 5.00 | 16,924,636 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,539 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,268 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,411 |
| Central American Countries | 0 | - | 4.98 | 156,827 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 112,992 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,476 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,271 |
| Name a Valid African Country | 0 | - | 4.98 | 154,413 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,537 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,335 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,510 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,682 |
| Countries of Africa | 0 | - | 5.00 | 2,546,236 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,050 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,490 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,245 |
| US States with an Empty Map | 0 | - | 5.00 | 626,202 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,545,817 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,007 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,672 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,148 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,771 |
| The Only European Country ... | 0 | - | 4.91 | 217,533 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,882 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,667 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,749 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,875 |
| Countries that Beat China | 0 | - | 4.85 | 116,165 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,104 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,850 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,250 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,424 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,872 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,557 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,606 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,953 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,504 |
| Countries of the Middle East | 0 | - | 4.96 | 201,775 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,623 |
| Slavic Countries | 0 | - | 4.96 | 111,936 |
| African Island Countries | 0 | - | 4.96 | 101,911 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,976 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,294 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,287 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,839 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,908 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,420 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,974 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,073 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,731 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,434 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,482 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,826 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,527 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,397 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,260 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,460 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,087 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,156 |
| Rivers of the United States | 0 | - | 4.93 | 66,373 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,394,228 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,354 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,995 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,371 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,027 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,421 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,300 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,730 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,393 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,599 |
| Random U.S. City to State | 0 | - | 4.45 | 76,581 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,828 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,139 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,307 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,241 |
| Monarchies of Europe | 0 | - | 4.90 | 98,391 |
| Monarchies of Asia | 0 | - | 4.97 | 71,257 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,049 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,562 |
| The Only African Country ... | 0 | - | 4.99 | 129,299 |
| The Only American Country ... | 0 | - | 4.92 | 121,846 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,226 |
| Which South American Country? | 0 | - | 4.69 | 52,011 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,904 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,076 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,902 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,300 |
| European Countries with One Border | 0 | - | 4.97 | 183,168 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,951 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,433 |
| Brazil Country Quiz | 0 | - | 4.52 | 102,013 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,608 |
| Peru Country Quiz | 0 | - | 4.54 | 48,771 |
| Chile Country Quiz | 0 | - | 4.75 | 40,140 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,911 |
| Panama Country Quiz | 0 | - | 4.61 | 25,865 |
| Belize Country Quiz | 0 | - | 4.85 | 21,020 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,045 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,243 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,656 |
| States that Beat California | 0 | - | 4.54 | 63,716 |
| States that Beat Texas | 0 | - | 4.58 | 44,410 |
| O Canada Lyrics | 0 | - | 4.47 | 50,989 |
| UK Immigration by Country | 0 | - | 4.94 | 141,199 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,907 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,303 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,528 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,791 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,976 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,871 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,843 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,677 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,417 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,727 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,370 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,441 |
| Arms Exports - United States | 0 | - | 4.77 | 62,544 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,034 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,390 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,298 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,526 |
| Countries That Border Russia | 0 | - | 4.98 | 462,944 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,202 |
| Countries Bordering France | 0 | - | 4.83 | 403,670 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,793 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,698 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,303 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,455 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,167 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,529 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 53,771 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,740 |
| Germany Country Quiz | 0 | - | 4.83 | 158,238 |
| Russia Country Quiz | 0 | - | 4.83 | 114,740 |
| Japan Country Quiz | 0 | - | 4.93 | 142,790 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,258 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,506 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,136 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,425 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,911 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,602 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,834 |
| Syria Country Quiz | 0 | - | 4.81 | 32,902 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,865 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,793 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,214 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,275 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,165 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,197 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,642 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,228 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,930 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,940 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,592 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,598 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,274 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,088 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,530 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,532 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,590 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,385 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,820 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,821 |
| Random European Capital to Country | 0 | - | 4.98 | 191,523 |
| Random European Country to Capital | 0 | - | 4.93 | 165,443 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,664 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,031 |
| Random African Country to Capital | 0 | - | 4.94 | 71,425 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,201 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,535 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,479 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,531 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,810 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,636 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,460 |
| Every European Country Shape | 0 | - | 4.96 | 202,285 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,013 |
| Every African Country Shape | 0 | - | 4.90 | 87,716 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,525 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,463 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,067 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,440 |
| Countries Bordering India | 0 | - | 4.98 | 163,586 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,454 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,683 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,578 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,697 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,644 |
| Countries that Border China | 0 | - | 4.96 | 263,613 |
