| States of Mexico | 0 | - | 4.95 | 174,999 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,270 |
| States of Brazil | 0 | - | 4.97 | 87,282 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,448 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,225 |
| US States Quiz | 0 | - | 5.00 | 16,795,766 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,268 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,164 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,334 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,789 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,137 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,579 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,726 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,632 |
| Belize Country Quiz | 0 | - | 4.85 | 20,898 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,109 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,347 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,210 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,829 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,561 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,359 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,494 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,981 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,337 |
| Pixelated United States Map | 0 | - | 4.89 | 93,894 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,450 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,001 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,010 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,482 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,698 |
| U.S. States By Population | 0 | - | 4.92 | 152,857 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,989 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,220 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,025 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,343 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,129 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,171 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,555 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,487 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,894 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,023 |
| 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 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,274 |
| South America Map Quiz | 0 | - | 5.00 | 1,545,518 |
| Flags of North and South America | 0 | - | 4.99 | 370,765 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,469 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,276 |
| Counties of England | 0 | - | 4.97 | 793,235 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,012 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,244 |
| US States with an Empty Map | 0 | - | 5.00 | 621,876 |
| 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 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,007 |
| Australian States and Territories | 0 | - | 4.96 | 141,457 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,794 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,574 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,220 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,249 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,075 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 36,396 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,046 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,306 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,182 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,770 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,631 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,741 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,790 |
| The Only American Country ... | 0 | - | 4.92 | 121,238 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,718 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,072 |
| Regions of Italy | 0 | - | 4.92 | 75,309 |
| States of India | 0 | - | 4.94 | 191,967 |
| Japanese Prefectures | 0 | - | 4.98 | 135,925 |
| Provinces of China | 0 | - | 4.97 | 202,611 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,324 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,405 |
| States of Germany | 0 | - | 4.96 | 151,324 |
| Regions of New Zealand | 0 | - | 4.85 | 28,422 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,796 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,621 |
| Provinces of Turkey | 0 | - | 4.95 | 203,174 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,182 |
| Central American Countries | 0 | - | 4.98 | 155,634 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,530 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,086 |
| Europe Map Quiz | 0 | - | 5.00 | 4,748,784 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,129 |
| Departments of France | 0 | - | 4.93 | 53,453 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,622 |
| 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 | 116,215 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,906 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,176 |
| South American Cities on the Map | 0 | - | 4.56 | 35,331 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,201 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,800 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,002 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,530 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,238 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,394 |
| Canada Country Quiz | 0 | - | 4.54 | 132,156 |
| United States Country Quiz | 0 | - | 4.43 | 101,137 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,144 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,944 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,826 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,776 |
| Counties of Ireland | 0 | - | 4.92 | 194,201 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,288 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,684,068 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,122 |
| Random U.S. City to State | 0 | - | 4.45 | 75,843 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,566 |
| 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 | 39,921 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,761 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,479 |
| Panama Country Quiz | 0 | - | 4.61 | 25,718 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,345 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,802 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,689 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,133 |
| Africa Map Quiz | 0 | - | 5.00 | 2,111,852 |
| Asia Map Quiz | 0 | - | 4.99 | 911,881 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,515 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,810 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,276 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,536 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,009 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,490 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,262 |
| New England States | 0 | - | 4.51 | 59,764 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,679 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,959 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,600 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,863 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,815 |
| U.S. States by Borders | 0 | - | 4.61 | 35,220 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,380 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,867 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,105 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,239 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,721 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,133 |
| 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 | 215,421 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,305 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,471 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,504 |
| Countries of Africa | 0 | - | 5.00 | 2,523,977 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,703 |
| United States Map Quiz | 0 | - | 4.98 | 4,149,742 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,271 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,314 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,441 |
| Australia Map Quiz | 0 | - | 4.94 | 343,443 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,449 |
| African East Coast | 0 | - | 4.96 | 95,613 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,236,365 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,762 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,017 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,344 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,341 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,219 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,757 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,982 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,721 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,614 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,003 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,372 |
| Boroughs of New York City | 0 | - | 4.47 | 84,381 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,252 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,223 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,294 |
| Which South American Country? | 0 | - | 4.69 | 51,851 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,527 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,275 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,266 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,552 |
| Largest United States Airlines | 0 | - | 4.39 | 54,944 |
| Hawaiian Islands | 0 | - | 4.83 | 42,583 |
| South American Physical Geography | 0 | - | 4.58 | 18,317 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,716 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,625 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,296 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,269 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,637 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,390 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,122 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,837 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,443 |
