| States of Brazil | 0 | - | 4.98 | 86,252 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,825 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,352 |
| States of Mexico | 0 | - | 4.95 | 173,143 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,281 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,915 |
| Countries Bordering Brazil | 0 | - | 4.96 | 130,978 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,260 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,703 |
| Chile Country Quiz | 0 | - | 4.75 | 39,699 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,662 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,342 |
| South American Cities on the Map | 0 | - | 4.57 | 35,236 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,542 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,983 |
| Flags of North and South America | 0 | - | 4.99 | 366,065 |
| Australian States and Territories | 0 | - | 4.95 | 140,575 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,461 |
| Counties of England | 0 | - | 4.97 | 788,543 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,618 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,551 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,279 |
| The Only American Country ... | 0 | - | 4.92 | 120,680 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,024 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,053 |
| Peru Country Quiz | 0 | - | 4.54 | 48,263 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,359 |
| Regions of Italy | 0 | - | 4.92 | 74,618 |
| States of India | 0 | - | 4.94 | 189,789 |
| US States Quiz | 0 | - | 5.00 | 16,684,475 |
| Japanese Prefectures | 0 | - | 4.98 | 134,369 |
| Provinces of China | 0 | - | 4.97 | 199,787 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,176 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,860 |
| States of Germany | 0 | - | 4.96 | 149,856 |
| Regions of New Zealand | 0 | - | 4.85 | 28,106 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,068 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,677 |
| Provinces of Turkey | 0 | - | 4.95 | 200,411 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,883 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,178 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,459 |
| Which South American Country? | 0 | - | 4.69 | 51,701 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,410 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,129 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,322 |
| Central American Countries | 0 | - | 4.98 | 154,944 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,566 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,085 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,021 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,823 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,661 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,399 |
| Departments of France | 0 | - | 4.93 | 52,702 |
| South American Physical Geography | 0 | - | 4.58 | 18,263 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,073 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,048 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,054 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,338 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,757 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,274 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,369 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,062 |
| Bolivia Country Quiz | 0 | - | 4.63 | 25,994 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,592 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,465 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,678 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,119 |
| Asia Map Quiz | 0 | - | 4.99 | 906,151 |
| Counties of Ireland | 0 | - | 4.92 | 192,861 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,932 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,622 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,267 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,319 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,542 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,804 |
| U.S. States By Population | 0 | - | 4.92 | 152,289 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,296 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,796 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,726 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,804 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,290 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,121 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,758 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,966 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,452 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,839 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,308 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,423 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,940 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,306 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,009 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,778 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,887 |
| US States with an Empty Map | 0 | - | 5.00 | 618,315 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,585 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,485 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,819 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,588 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,037 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,250 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,793 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,750 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,385 |
| The Only European Country ... | 0 | - | 4.91 | 213,571 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,910 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,368 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,162 |
| Countries of Africa | 0 | - | 5.00 | 2,505,365 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,138 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,327 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,836 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,197 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,176 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,731 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,351 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,835 |
| Australia Map Quiz | 0 | - | 4.94 | 342,282 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,131 |
| African East Coast | 0 | - | 4.96 | 94,957 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,507 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,797 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,573 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,578 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,966 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,518 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,758 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,758 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,802 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,269 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,683 |
| Europe Capital to Country | 0 | - | 4.99 | 247,354 |
| Asia Capital to Country | 0 | - | 4.96 | 125,651 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,335 |
| European Capitals by Map | 0 | - | 4.99 | 136,023 |
| African Capitals by Map | 0 | - | 4.99 | 132,082 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,001 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,091 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,542 |
| European Coastal Capitals | 0 | - | 4.95 | 89,676 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,155 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,475 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,607 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,388 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,803 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,111 |
| Countries of the Middle East | 0 | - | 4.96 | 198,757 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,182 |
| Slavic Countries | 0 | - | 4.96 | 110,790 |
| African Island Countries | 0 | - | 4.96 | 100,691 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,466 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,860 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,231 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,299 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,742 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,610 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,396 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,962 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,518 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,615 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,691 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,121 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,103 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,219 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,488 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,177 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,337 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,151 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,445 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,514 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,421 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,092 |
| North America Map Quiz | 0 | - | 4.98 | 244,102 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,387 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,290 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,531 |
| Hawaiian Islands | 0 | - | 4.83 | 42,412 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,994 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,612 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,297 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,608 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,501 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,657 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,971 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,740 |
| Territories of the United States | 0 | - | 4.79 | 52,109 |
| Regions of France | 0 | - | 4.78 | 119,089 |
| Provinces of the Philippines | 0 | - | 4.56 | 48,155 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,764 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,855 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,722 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,922 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,771 |
| Official Cities in the UK | 0 | - | 4.89 | 280,269 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,678 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,628 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,555 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,610 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,571 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,350 |
