| States of Mexico | 0 | - | 4.96 | 176,898 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,205 |
| States of Brazil | 0 | - | 4.97 | 88,720 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,237 |
| Belize Country Quiz | 0 | - | 4.85 | 21,023 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,370 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,701 |
| US States Quiz | 0 | - | 5.00 | 16,925,987 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,873 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,278 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,087 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,303 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,917 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,999 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,280 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,147 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,997 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,036 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,464 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,635 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,823 |
| Panama Country Quiz | 0 | - | 4.61 | 25,865 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,247 |
| Pixelated United States Map | 0 | - | 4.88 | 94,497 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,159 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,763 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,704 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,390 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,705 |
| U.S. States By Population | 0 | - | 4.92 | 153,774 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,763 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,617 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,345 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,816 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,009 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,580 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,363 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,014 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,343 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,195 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,746 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,952 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,690 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,891 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,130 |
| Flags of North and South America | 0 | - | 4.99 | 374,582 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,975 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,932 |
| Counties of England | 0 | - | 4.97 | 799,372 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,251 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,627 |
| US States with an Empty Map | 0 | - | 5.00 | 626,235 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,441 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,885 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,569 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,167 |
| Australian States and Territories | 0 | - | 4.96 | 142,300 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,502 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,903 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,964 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,540 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,071 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,551 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,361 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,002 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,981 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,381 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,031 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,315 |
| The Only American Country ... | 0 | - | 4.92 | 121,850 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,601 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,679 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,162 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,638 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,485 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,932 |
| Regions of Italy | 0 | - | 4.92 | 76,321 |
| States of India | 0 | - | 4.95 | 194,305 |
| Japanese Prefectures | 0 | - | 4.98 | 137,823 |
| Provinces of China | 0 | - | 4.97 | 205,879 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,510 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,201 |
| States of Germany | 0 | - | 4.95 | 153,372 |
| Regions of New Zealand | 0 | - | 4.84 | 28,606 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,442 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,169 |
| Provinces of Turkey | 0 | - | 4.94 | 204,783 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,453 |
| Central American Countries | 0 | - | 4.98 | 156,846 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 112,994 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,428 |
| Europe Map Quiz | 0 | - | 5.00 | 4,773,019 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,178 |
| Departments of France | 0 | - | 4.93 | 54,537 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,159 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,931 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,601 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,601 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,305 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,092 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,537 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,444 |
| South American Cities on the Map | 0 | - | 4.53 | 35,477 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,873 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,043 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,831 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,618 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,481 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,543 |
| Canada Country Quiz | 0 | - | 4.54 | 132,709 |
| United States Country Quiz | 0 | - | 4.43 | 101,768 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,218 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,387 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,075 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,975 |
| Counties of Ireland | 0 | - | 4.92 | 196,169 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,489 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,813 |
| Random U.S. City to State | 0 | - | 4.45 | 76,596 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,908 |
| Brazil Country Quiz | 0 | - | 4.52 | 102,023 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,616 |
| Peru Country Quiz | 0 | - | 4.54 | 48,773 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,804 |
| Chile Country Quiz | 0 | - | 4.75 | 40,141 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,914 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,492 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,897 |
| Oceania Map Quiz | 0 | - | 4.98 | 654,760 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,458 |
| Asia Map Quiz | 0 | - | 4.99 | 920,172 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,724 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,328 |
| South American Geography Quiz #2 | 0 | - | 4.37 | 41,384 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,680 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,711 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,164 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,401 |
| New England States | 0 | - | 4.51 | 59,840 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,915 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,044 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,934 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,134 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 41,017 |
| U.S. States by Borders | 0 | - | 4.61 | 35,384 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,553 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,157 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,279 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,196 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,141 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,691 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,151 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,788 |
| The Only European Country ... | 0 | - | 4.91 | 217,561 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,897 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,690 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,754 |
| Countries of Africa | 0 | - | 5.00 | 2,546,477 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,215 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,090 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,211 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,007 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,373 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,198 |
| Australia Map Quiz | 0 | - | 4.95 | 345,301 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,182 |
| African East Coast | 0 | - | 4.96 | 96,332 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,249,522 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,298 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,215 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,442 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,471 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,584 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,159 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,080 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,814 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,727 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,122 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,418 |
| Boroughs of New York City | 0 | - | 4.47 | 84,732 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,304 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,430 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,368 |
| Which South American Country? | 0 | - | 4.69 | 52,014 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,743 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,855 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,008 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,610 |
| Largest United States Airlines | 0 | - | 4.39 | 55,083 |
| Hawaiian Islands | 0 | - | 4.83 | 42,785 |
| South American Physical Geography | 0 | - | 4.58 | 18,370 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,858 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,956 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,005 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,330 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,909 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,306 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,544 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,253 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,913 |
