| States of Brazil | 0 | - | 4.97 | 88,958 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,346 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,352 |
| States of Mexico | 0 | - | 4.96 | 177,238 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,859 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,320 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,032 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,737 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,336 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,942 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,853 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,949 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,735 |
| South American Cities on the Map | 0 | - | 4.52 | 35,498 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,806 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,274 |
| Flags of North and South America | 0 | - | 4.99 | 375,123 |
| Australian States and Territories | 0 | - | 4.96 | 142,439 |
| Canada Provinces and Territories | 0 | - | 5.00 | 344,426 |
| Counties of England | 0 | - | 4.97 | 800,186 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 174,167 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,314 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,393 |
| The Only American Country ... | 0 | - | 4.92 | 121,934 |
| Brazil Country Quiz | 0 | - | 4.52 | 102,105 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,660 |
| Peru Country Quiz | 0 | - | 4.54 | 48,813 |
| Chile Country Quiz | 0 | - | 4.75 | 40,174 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,756 |
| Regions of Italy | 0 | - | 4.92 | 76,481 |
| States of India | 0 | - | 4.95 | 194,756 |
| US States Quiz | 0 | - | 5.00 | 16,941,036 |
| Japanese Prefectures | 0 | - | 4.98 | 138,138 |
| Provinces of China | 0 | - | 4.97 | 206,263 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,760 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,284 |
| States of Germany | 0 | - | 4.95 | 153,674 |
| Regions of New Zealand | 0 | - | 4.84 | 28,631 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,516 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,411 |
| Provinces of Turkey | 0 | - | 4.94 | 205,022 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,492 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,762 |
| Which South American Country? | 0 | - | 4.69 | 52,031 |
| Europe Map Quiz | 0 | - | 5.00 | 4,776,028 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,018 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,359 |
| Central American Countries | 0 | - | 4.98 | 156,956 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,059 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,013 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,329 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,520 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,940 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,426 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,220 |
| Departments of France | 0 | - | 4.93 | 54,691 |
| South American Physical Geography | 0 | - | 4.58 | 18,380 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,225 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,507 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,706 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,106 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,113 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,499 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,751 |
| Venezuela Country Quiz | 0 | - | 4.51 | 30,677 |
| Paraguay Country Quiz | 0 | - | 4.54 | 25,353 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,330 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,391 |
| Oceania Map Quiz | 0 | - | 4.98 | 656,649 |
| Africa Map Quiz | 0 | - | 5.00 | 2,123,926 |
| Asia Map Quiz | 0 | - | 4.99 | 921,536 |
| Counties of Ireland | 0 | - | 4.92 | 196,409 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,734 |
| South American Geography Quiz #2 | 0 | - | 4.40 | 42,739 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,628 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,844 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,856 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,479 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,827 |
| U.S. States By Population | 0 | - | 4.92 | 153,840 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,847 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,664 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,389 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,873 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,099 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,853 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,569 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,082 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,398 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,220 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,846 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,063 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,596 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,042 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,284 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,670 |
| US States with an Empty Map | 0 | - | 5.00 | 626,729 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,572 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,972 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,707 |
| Africa Capitals Quiz | 0 | - | 4.99 | 741,043 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,995 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 145,071 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,978 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,434 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,395 |
| The Only European Country ... | 0 | - | 4.91 | 217,910 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,132 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,921 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,794 |
| Countries of Africa | 0 | - | 5.00 | 2,549,271 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,628 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,708 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,183 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,577 |
| United States Map Quiz | 0 | - | 4.98 | 4,165,634 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,086 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,550 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,310 |
| Australia Map Quiz | 0 | - | 4.95 | 345,511 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,417 |
| African East Coast | 0 | - | 4.96 | 96,442 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,736 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,444 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,100 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,000 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,481 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,065 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,251,290 |
| Flags of Asia Quiz | 0 | - | 4.99 | 617,135 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,976 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,124 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,628 |
| Europe Capital to Country | 0 | - | 4.99 | 251,276 |
| Asia Capital to Country | 0 | - | 4.96 | 127,028 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,468 |
| European Capitals by Map | 0 | - | 4.99 | 140,913 |
| African Capitals by Map | 0 | - | 4.99 | 140,118 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,316 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,504 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,855 |
| European Coastal Capitals | 0 | - | 4.95 | 90,977 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,978 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,375 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,946 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,991 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,242 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,844 |
| Countries of the Middle East | 0 | - | 4.96 | 201,978 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,769 |
| Slavic Countries | 0 | - | 4.96 | 112,041 |
| African Island Countries | 0 | - | 4.96 | 102,095 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,019 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,864 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,229 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,969 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,375 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,411 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,960 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,131 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,845 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,145 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,212 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,803 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,544 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,706 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,170 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,905 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,578 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,794 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,821 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,462 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,502 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,533 |
| North America Map Quiz | 0 | - | 4.98 | 250,011 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,328 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,522 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,588 |
| Hawaiian Islands | 0 | - | 4.83 | 42,818 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,406 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,781 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,747 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,816 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,119 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,041 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,599 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,572 |
| Territories of the United States | 0 | - | 4.80 | 52,506 |
| Regions of France | 0 | - | 4.70 | 121,504 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,639 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,993 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,699 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,512 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,139 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,542 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,670 |
| Official Cities in the UK | 0 | - | 4.89 | 285,029 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,470 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,502 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,099 |
