| States of Brazil | 0 | - | 4.97 | 87,264 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,710 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,433 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,333 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,430 |
| States of Mexico | 0 | - | 4.95 | 174,969 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,549 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,521 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,258 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,485 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,510 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,148 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,993 |
| South American Cities on the Map | 0 | - | 4.56 | 35,330 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,267 |
| South America Map Quiz | 0 | - | 5.00 | 1,545,432 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,990 |
| Flags of North and South America | 0 | - | 4.99 | 370,675 |
| Australian States and Territories | 0 | - | 4.96 | 141,448 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,212 |
| Counties of England | 0 | - | 4.97 | 793,151 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,751 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,051 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,780 |
| The Only American Country ... | 0 | - | 4.92 | 121,226 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,316 |
| Peru Country Quiz | 0 | - | 4.54 | 48,500 |
| Chile Country Quiz | 0 | - | 4.75 | 39,921 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,759 |
| Regions of Italy | 0 | - | 4.92 | 75,300 |
| States of India | 0 | - | 4.94 | 191,925 |
| US States Quiz | 0 | - | 5.00 | 16,793,539 |
| Japanese Prefectures | 0 | - | 4.98 | 135,902 |
| Provinces of China | 0 | - | 4.97 | 202,580 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,297 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,394 |
| States of Germany | 0 | - | 4.96 | 151,296 |
| Regions of New Zealand | 0 | - | 4.85 | 28,420 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,792 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,572 |
| Provinces of Turkey | 0 | - | 4.95 | 203,149 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,181 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,275 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,536 |
| Which South American Country? | 0 | - | 4.69 | 51,848 |
| Europe Map Quiz | 0 | - | 5.00 | 4,748,492 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,251 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,781 |
| Central American Countries | 0 | - | 4.98 | 155,616 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,121 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,541 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,518 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,079 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,624 |
| Departments of France | 0 | - | 4.93 | 53,446 |
| South American Physical Geography | 0 | - | 4.58 | 18,316 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,618 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,232 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,333 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,093 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,338 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,201 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,814 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,522 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,208 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,176 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,563 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,048 |
| Africa Map Quiz | 0 | - | 5.00 | 2,111,702 |
| Asia Map Quiz | 0 | - | 4.99 | 911,770 |
| Counties of Ireland | 0 | - | 4.92 | 194,188 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,779 |
| Pixelated United States Map | 0 | - | 4.89 | 93,886 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,437 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,992 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,997 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,470 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,686 |
| U.S. States By Population | 0 | - | 4.92 | 152,847 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,971 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,215 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,021 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,331 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,113 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,125 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,537 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,472 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,880 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,020 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,926 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,250 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,244 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 35,742 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,455 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,000 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,238 |
| US States with an Empty Map | 0 | - | 5.00 | 621,793 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,466 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,174 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,620 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,178 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,647 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,213 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,105 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,357 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,446 |
| The Only European Country ... | 0 | - | 4.91 | 215,385 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,268 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,458 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,503 |
| Countries of Africa | 0 | - | 5.00 | 2,523,620 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,357 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,490 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,981 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,628 |
| United States Map Quiz | 0 | - | 4.98 | 4,149,588 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,259 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,303 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,431 |
| Australia Map Quiz | 0 | - | 4.94 | 343,421 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,420 |
| African East Coast | 0 | - | 4.96 | 95,603 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,985 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,291 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,159 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,768 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,610 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,731 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,236,178 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,679 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,510 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,191 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,565 |
| Europe Capital to Country | 0 | - | 4.99 | 249,073 |
| Asia Capital to Country | 0 | - | 4.96 | 126,245 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,278 |
| European Capitals by Map | 0 | - | 4.99 | 137,980 |
| African Capitals by Map | 0 | - | 4.99 | 132,965 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,808 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,684 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,060 |
| European Coastal Capitals | 0 | - | 4.95 | 90,187 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,386 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,464 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,068 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,633 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,061 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,626 |
| Countries of the Middle East | 0 | - | 4.96 | 200,009 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,820 |
| Slavic Countries | 0 | - | 4.96 | 111,314 |
| African Island Countries | 0 | - | 4.96 | 101,231 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,714 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,214 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,571 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,539 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,171 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,403 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,060 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,854 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,340 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,224 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,302 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,433 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,579 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,763 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,970 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,770 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,787 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,639 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,891 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,189 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,825 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,579 |
| North America Map Quiz | 0 | - | 4.98 | 246,888 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,725 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,897 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,478 |
| Hawaiian Islands | 0 | - | 4.83 | 42,576 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,163 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,092 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,322 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,512 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,742 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,693 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,533 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,109 |
| Territories of the United States | 0 | - | 4.79 | 52,273 |
| Regions of France | 0 | - | 4.77 | 120,086 |
| Provinces of the Philippines | 0 | - | 4.56 | 49,168 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,911 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,742 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,584 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,417 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,065 |
| Official Cities in the UK | 0 | - | 4.89 | 282,384 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,172 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,186 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,797 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,455 |
