| European Countries by First 2 Letters | 0 | - | 4.95 | 528,986 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,531 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,955 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,777 |
| Australian Capitals | 0 | - | 4.92 | 62,705 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,253 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,028 |
| Official European Union Languages | 0 | - | 4.97 | 238,217 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,673 |
| Europe Map Quiz | 0 | - | 5.00 | 4,757,165 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,310 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,982 |
| Celtic Nations | 0 | - | 4.69 | 46,914 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,665 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,047 |
| Asia Map Quiz | 0 | - | 4.99 | 915,048 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,668 |
| African East Coast | 0 | - | 4.96 | 95,879 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,685 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,513 |
| New World Crops | 0 | - | 4.38 | 30,850 |
| North American Physical Geography | 0 | - | 4.35 | 30,406 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,437 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,861 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,596 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,649 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,907 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,922 |
| The Only European Country ... | 0 | - | 4.91 | 216,128 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,854 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,776 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,723 |
| Countries of Africa | 0 | - | 5.00 | 2,531,576 |
| Australia Map Quiz | 0 | - | 4.95 | 343,926 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,090 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,646 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,549 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,773 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,368 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,902 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,678 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,733 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,439 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,062 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,133 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,257 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,765 |
| African Island Countries | 0 | - | 4.96 | 101,475 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,141 |
| Australian States and Territories | 0 | - | 4.96 | 141,762 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,244 |
| Australia Country Quiz | 0 | - | 4.43 | 69,542 |
| Australia True or False | 0 | - | 4.87 | 56,794 |
| Flags of North and South America | 0 | - | 4.99 | 372,212 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,535 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,120 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,456 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,758 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,065 |
| North America Map Quiz | 0 | - | 4.98 | 247,900 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,670 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,625 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,381 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,063 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,813 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,898 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,723 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,480 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,027 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,277 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,033 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,282 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,420 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,087 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,875 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,068 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,804 |
| Slavic Countries | 0 | - | 4.96 | 111,528 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,302 |
| Counties of England | 0 | - | 4.97 | 795,201 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,872 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,115 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,582 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,005 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,853 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,706 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,332 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,307 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,082 |
| Countries of the Middle East | 0 | - | 4.96 | 200,841 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,459 |
| States of India | 0 | - | 4.95 | 192,788 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,300 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,688 |
| The Only African Country ... | 0 | - | 4.99 | 128,985 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,078 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,708 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,798 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,039 |
| Flags of Oceania | 0 | - | 5.00 | 258,374 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,274 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,253 |
| Regions of New Zealand | 0 | - | 4.85 | 28,464 |
| The Only American Country ... | 0 | - | 4.92 | 121,446 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,979 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,693 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,755 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,575 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,921 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,381 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,237 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,365 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,349 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,793 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,842 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,966 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,716 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,313 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,006 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,959 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,556 |
| Monarchies of Europe | 0 | - | 4.90 | 97,992 |
| European Countries with One Border | 0 | - | 4.97 | 182,566 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,380 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,957 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,564 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,769 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,225 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,595 |
| States of Germany | 0 | - | 4.96 | 152,055 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,923 |
| Regions of Italy | 0 | - | 4.92 | 75,650 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,975 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,718 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,085 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,892 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,090 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,666 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,426 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,820 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,106 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,429 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,037 |
| Monarchies of Asia | 0 | - | 4.97 | 71,005 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,794 |
| Provinces of Turkey | 0 | - | 4.95 | 203,755 |
| Provinces of China | 0 | - | 4.97 | 203,702 |
| Japanese Prefectures | 0 | - | 4.98 | 136,537 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,210 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,628 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,222 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,569 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,645 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,545 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,616 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,187 |
| Slavic Languages | 0 | - | 4.68 | 54,289 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,586 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,430 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,112 |
| Champions League Winners | 0 | - | 4.92 | 1,004,548 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,539 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,466 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,738 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 274,923 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 45,745 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,736 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,617 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,740 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,659 |
| States of India Map Quiz | 0 | - | 4.83 | 26,432 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,152 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,672 |
| African Great Lakes | 0 | - | 4.82 | 66,083 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,497 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,437 |
| Name a Valid African Country | 0 | - | 4.98 | 153,843 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,741 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,025 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,420 |
| Palau Country Quiz | 0 | - | 4.90 | 22,979 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,524 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,976 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,809 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,424 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,499 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,008 |
| States of Mexico | 0 | - | 4.95 | 175,644 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,557 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,806 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,706 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,923 |
| States of Brazil | 0 | - | 4.97 | 87,717 |
| Central American Countries | 0 | - | 4.98 | 155,981 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,015 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,828 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,370 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,255 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,379 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,819 |
