| States of Mexico | 0 | - | 4.96 | 177,683 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,447 |
| States of Brazil | 0 | - | 4.97 | 89,268 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,566 |
| Belize Country Quiz | 0 | - | 4.85 | 21,061 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,625 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,768 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,306 |
| US States Quiz | 0 | - | 5.00 | 16,964,549 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,290 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,657 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,348 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,479 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,176 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,851 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,445 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,345 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,305 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,262 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,548 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,895 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,921 |
| Pixelated United States Map | 0 | - | 4.88 | 94,664 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,825 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,044 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,060 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,708 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,065 |
| U.S. States By Population | 0 | - | 4.92 | 153,981 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,017 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,769 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,451 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,969 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,420 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,439 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,775 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,246 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,503 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,254 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,996 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,143 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,803 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,351 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,224 |
| Flags of North and South America | 0 | - | 4.99 | 375,946 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,302 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,241 |
| Counties of England | 0 | - | 4.97 | 801,403 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,333 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,933 |
| US States with an Empty Map | 0 | - | 5.00 | 627,573 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,811 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,129 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,922 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,414 |
| Australian States and Territories | 0 | - | 4.96 | 142,640 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,043 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,057 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,995 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,645 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,240 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,218 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,700 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,319 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,096 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,671 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,145 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,518 |
| The Only American Country ... | 0 | - | 4.92 | 122,065 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,694 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,753 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,216 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,682 |
| Panama Country Quiz | 0 | - | 4.61 | 25,907 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,537 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,992 |
| Regions of Italy | 0 | - | 4.92 | 76,738 |
| States of India | 0 | - | 4.95 | 195,241 |
| Japanese Prefectures | 0 | - | 4.98 | 138,508 |
| Provinces of China | 0 | - | 4.97 | 207,081 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,050 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,392 |
| States of Germany | 0 | - | 4.95 | 154,053 |
| Regions of New Zealand | 0 | - | 4.84 | 28,674 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,620 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,969 |
| Provinces of Turkey | 0 | - | 4.94 | 205,448 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,584 |
| Central American Countries | 0 | - | 4.98 | 157,136 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,157 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,644 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,174 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,879 |
| Departments of France | 0 | - | 4.93 | 54,876 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,326 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,064 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,876 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,839 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,086 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,296 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,886 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,524 |
| South American Cities on the Map | 0 | - | 4.52 | 35,526 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,628 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,142 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,207 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,647 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,556 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 89,617 |
| Canada Country Quiz | 0 | - | 4.55 | 132,906 |
| United States Country Quiz | 0 | - | 4.43 | 102,024 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,263 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,503 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,156 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,027 |
| Counties of Ireland | 0 | - | 4.92 | 196,868 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,519 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,923 |
| Random U.S. City to State | 0 | - | 4.45 | 76,770 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,269 |
| Brazil Country Quiz | 0 | - | 4.52 | 102,228 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,730 |
| Peru Country Quiz | 0 | - | 4.54 | 48,861 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,828 |
| Chile Country Quiz | 0 | - | 4.75 | 40,230 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,976 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,544 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,164 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,015 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,212 |
| Asia Map Quiz | 0 | - | 4.99 | 923,200 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,797 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,258 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 43,469 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,827 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,826 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,263 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,492 |
| New England States | 0 | - | 4.51 | 59,876 |
| U.S. States by Land Area | 0 | - | 4.63 | 53,001 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,093 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,043 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,228 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,089 |
| U.S. States by Borders | 0 | - | 4.61 | 35,435 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,642 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,269 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,405 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,316 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,461 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,322 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,639 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,773 |
| The Only European Country ... | 0 | - | 4.91 | 218,417 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,485 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,188 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,847 |
| Countries of Africa | 0 | - | 5.00 | 2,553,367 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,249 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,311 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,042 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,292 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,697 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,428 |
| Australia Map Quiz | 0 | - | 4.95 | 345,800 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,771 |
| African East Coast | 0 | - | 4.96 | 96,580 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,079 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,423 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,289 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,472 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,500 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,706 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,255 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,109 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,840 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,759 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,190 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,431 |
| Boroughs of New York City | 0 | - | 4.47 | 84,870 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,884 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,512 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,086 |
| Which South American Country? | 0 | - | 4.69 | 52,065 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,812 |
| Countries that Beat Brazil | 0 | - | 4.49 | 69,077 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,249 |
| Flags of Africa Quiz | 0 | - | 5.00 | 475,926 |
| Largest United States Airlines | 0 | - | 4.39 | 55,127 |
| Hawaiian Islands | 0 | - | 4.83 | 42,876 |
| South American Physical Geography | 0 | - | 4.58 | 18,388 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,899 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,053 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,131 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,348 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,010 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,306 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,585 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,301 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,947 |
