| States of Mexico | 0 | - | 4.95 | 175,485 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,448 |
| States of Brazil | 0 | - | 4.97 | 87,633 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,658 |
| Belize Country Quiz | 0 | - | 4.85 | 20,933 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,048 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,312 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,133 |
| US States Quiz | 0 | - | 5.00 | 16,830,695 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,579 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,482 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,531 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,895 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,315 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,195 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,862 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,784 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,339 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,507 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,255 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,018 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,628 |
| Pixelated United States Map | 0 | - | 4.87 | 94,067 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,635 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,158 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,199 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,685 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,957 |
| U.S. States By Population | 0 | - | 4.92 | 152,999 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,184 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,313 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,100 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,457 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,320 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,788 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,756 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,661 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,014 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,069 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,133 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,437 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,509 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,534 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,269 |
| Flags of North and South America | 0 | - | 4.99 | 371,864 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,595 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,323 |
| Counties of England | 0 | - | 4.97 | 794,777 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,100 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,335 |
| US States with an Empty Map | 0 | - | 5.00 | 623,231 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,719 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,378 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,887 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,279 |
| Australian States and Territories | 0 | - | 4.96 | 141,691 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,596 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,394 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,610 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,327 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,476 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,418 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,477 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,392 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,824 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,795 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,833 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,930 |
| The Only American Country ... | 0 | - | 4.92 | 121,399 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,420 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,543 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,029 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,519 |
| Panama Country Quiz | 0 | - | 4.61 | 25,751 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,384 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,837 |
| Regions of Italy | 0 | - | 4.92 | 75,538 |
| States of India | 0 | - | 4.94 | 192,599 |
| Japanese Prefectures | 0 | - | 4.98 | 136,421 |
| Provinces of China | 0 | - | 4.97 | 203,444 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,630 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,547 |
| States of Germany | 0 | - | 4.96 | 151,897 |
| Regions of New Zealand | 0 | - | 4.85 | 28,460 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,999 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,381 |
| Provinces of Turkey | 0 | - | 4.95 | 203,648 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,257 |
| Central American Countries | 0 | - | 4.98 | 155,885 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,915 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,341 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,882 |
| Departments of France | 0 | - | 4.93 | 53,776 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,776 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,629 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,015 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,049 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,218 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,561 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,462 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,255 |
| South American Cities on the Map | 0 | - | 4.56 | 35,384 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,383 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,865 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,202 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,554 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,327 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,430 |
| Canada Country Quiz | 0 | - | 4.54 | 132,317 |
| United States Country Quiz | 0 | - | 4.43 | 101,304 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,159 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 124,060 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,887 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,820 |
| Counties of Ireland | 0 | - | 4.92 | 194,627 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,423 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,218 |
| Random U.S. City to State | 0 | - | 4.45 | 76,107 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,841 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,631 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,404 |
| Peru Country Quiz | 0 | - | 4.54 | 48,578 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,748 |
| Chile Country Quiz | 0 | - | 4.75 | 39,989 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,813 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,387 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,466 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,559 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,580 |
| Asia Map Quiz | 0 | - | 4.99 | 914,422 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,562 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,487 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,310 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,557 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,288 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,777 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,296 |
| New England States | 0 | - | 4.51 | 59,782 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,745 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,982 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,686 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,913 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,872 |
| U.S. States by Borders | 0 | - | 4.61 | 35,256 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,425 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,940 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,173 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,782 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,947 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,532 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,596 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,820 |
| The Only European Country ... | 0 | - | 4.91 | 215,979 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,728 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,766 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,577 |
| Countries of Africa | 0 | - | 5.00 | 2,529,954 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,121 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,798 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,866 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,449 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,624 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,602 |
| Australia Map Quiz | 0 | - | 4.95 | 343,822 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,936 |
| African East Coast | 0 | - | 4.96 | 95,824 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,878 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,399 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,065 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,373 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,384 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,329 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,845 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,007 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,743 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,647 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,034 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,385 |
| Boroughs of New York City | 0 | - | 4.47 | 84,475 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,183 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,274 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,517 |
| Which South American Country? | 0 | - | 4.69 | 51,893 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,585 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,408 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,142 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,229 |
| Largest United States Airlines | 0 | - | 4.39 | 54,991 |
| Hawaiian Islands | 0 | - | 4.83 | 42,651 |
| South American Physical Geography | 0 | - | 4.58 | 18,329 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,746 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,709 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,393 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,291 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,700 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,297 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,434 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,145 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,853 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,465 |
