| States of Brazil | 0 | - | 4.97 | 87,229 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,416 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,539 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,692 |
| States of Mexico | 0 | - | 4.95 | 174,883 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,442 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,318 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,419 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,224 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,005 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,960 |
| South American Cities on the Map | 0 | - | 4.56 | 35,325 |
| South America Map Quiz | 0 | - | 5.00 | 1,545,153 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,931 |
| Flags of North and South America | 0 | - | 4.99 | 370,529 |
| Australian States and Territories | 0 | - | 4.96 | 141,422 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,098 |
| Counties of England | 0 | - | 4.97 | 792,932 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,626 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,941 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,760 |
| The Only American Country ... | 0 | - | 4.92 | 121,207 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,466 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,305 |
| Peru Country Quiz | 0 | - | 4.54 | 48,493 |
| Chile Country Quiz | 0 | - | 4.75 | 39,908 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,752 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,493 |
| Regions of Italy | 0 | - | 4.92 | 75,264 |
| States of India | 0 | - | 4.94 | 191,849 |
| US States Quiz | 0 | - | 5.00 | 16,787,917 |
| Japanese Prefectures | 0 | - | 4.98 | 135,839 |
| Provinces of China | 0 | - | 4.97 | 202,446 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,249 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,381 |
| States of Germany | 0 | - | 4.96 | 151,195 |
| Regions of New Zealand | 0 | - | 4.85 | 28,418 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,778 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,496 |
| Provinces of Turkey | 0 | - | 4.95 | 203,062 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,147 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,273 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,533 |
| Which South American Country? | 0 | - | 4.69 | 51,841 |
| Europe Map Quiz | 0 | - | 5.00 | 4,747,585 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,201 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,770 |
| Central American Countries | 0 | - | 4.98 | 155,576 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,098 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,468 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,496 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,247 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,007 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,604 |
| Departments of France | 0 | - | 4.93 | 53,412 |
| South American Physical Geography | 0 | - | 4.58 | 18,315 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,576 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,217 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,191 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,060 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,309 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,192 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,770 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,514 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,199 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,169 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,238 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,852 |
| Africa Map Quiz | 0 | - | 5.00 | 2,111,277 |
| Asia Map Quiz | 0 | - | 4.99 | 911,465 |
| Counties of Ireland | 0 | - | 4.92 | 194,119 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,680 |
| Pixelated United States Map | 0 | - | 4.89 | 93,855 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,409 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,964 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,967 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,426 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,656 |
| U.S. States By Population | 0 | - | 4.92 | 152,828 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,938 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,194 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,008 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,312 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,073 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,026 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,492 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,451 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,867 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,010 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,880 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,209 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,227 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,831 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,443 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,963 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,222 |
| US States with an Empty Map | 0 | - | 5.00 | 621,633 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,415 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,139 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,570 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,996 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,432 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,188 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,037 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,316 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,387 |
| The Only European Country ... | 0 | - | 4.91 | 215,290 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,203 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,407 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,486 |
| Countries of Africa | 0 | - | 5.00 | 2,522,796 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,346 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,484 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,973 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,397 |
| United States Map Quiz | 0 | - | 4.98 | 4,149,191 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,243 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,260 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,398 |
| Australia Map Quiz | 0 | - | 4.94 | 343,368 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,329 |
| African East Coast | 0 | - | 4.96 | 95,569 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,882 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,256 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,116 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,759 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,577 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,712 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,235,502 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,465 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,435 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,161 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,525 |
| Europe Capital to Country | 0 | - | 4.99 | 249,023 |
| Asia Capital to Country | 0 | - | 4.96 | 126,224 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,233 |
| European Capitals by Map | 0 | - | 4.99 | 137,873 |
| African Capitals by Map | 0 | - | 4.99 | 132,918 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,773 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,660 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,028 |
| European Coastal Capitals | 0 | - | 4.95 | 90,169 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,377 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,376 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,016 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,614 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,826 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,553 |
| Countries of the Middle East | 0 | - | 4.96 | 199,947 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,790 |
| Slavic Countries | 0 | - | 4.96 | 111,292 |
| African Island Countries | 0 | - | 4.96 | 101,206 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,701 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,201 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,557 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,525 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,846 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,375 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,027 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,815 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,297 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,194 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,277 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,420 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,556 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,742 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,937 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,724 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,766 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,618 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,869 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,054 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,800 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,556 |
| North America Map Quiz | 0 | - | 4.98 | 246,786 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,677 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,851 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,234 |
| Hawaiian Islands | 0 | - | 4.83 | 42,571 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,154 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,072 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,275 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,436 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,697 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,652 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,430 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,089 |
| Territories of the United States | 0 | - | 4.79 | 52,265 |
| Regions of France | 0 | - | 4.77 | 120,028 |
| Provinces of the Philippines | 0 | - | 4.56 | 49,117 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,864 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,696 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,535 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,392 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,052 |
| Official Cities in the UK | 0 | - | 4.89 | 282,290 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,163 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,161 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,788 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,381 |
