| European Countries by First 2 Letters | 0 | - | 4.95 | 530,392 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,535 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,561 |
| Australian Capitals | 0 | - | 4.92 | 62,746 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,301 |
| Official European Union Languages | 0 | - | 4.97 | 238,846 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,085 |
| Europe Map Quiz | 0 | - | 5.00 | 4,769,535 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,166 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,602 |
| Celtic Nations | 0 | - | 4.69 | 46,984 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,863 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,474 |
| Asia Map Quiz | 0 | - | 4.99 | 919,079 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,058 |
| African East Coast | 0 | - | 4.96 | 96,249 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,097 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,855 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,716 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,727 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,479 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,086 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,613 |
| The Only European Country ... | 0 | - | 4.91 | 217,283 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,507 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,897 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,209 |
| Countries of Africa | 0 | - | 5.00 | 2,543,528 |
| Australia Map Quiz | 0 | - | 4.95 | 344,993 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,947 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,640 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,741 |
| United States Map Quiz | 0 | - | 4.98 | 4,162,886 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,418 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,069 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,801 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,272 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,762 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,439 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,407 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,778 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,391 |
| African Island Countries | 0 | - | 4.96 | 101,829 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,769 |
| Australian States and Territories | 0 | - | 4.96 | 142,193 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,356 |
| Australia Country Quiz | 0 | - | 4.43 | 69,661 |
| Australia True or False | 0 | - | 4.87 | 56,936 |
| Flags of North and South America | 0 | - | 4.99 | 374,092 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,696 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,369 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,060 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,415 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,631 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,394 |
| North America Map Quiz | 0 | - | 4.98 | 249,232 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,798 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,497 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,465 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,285 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,949 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,247,785 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,413 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,878 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,392 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,271 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,333 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,508 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,562 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,133 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,732 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,521 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,355 |
| Slavic Countries | 0 | - | 4.96 | 111,847 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,446 |
| Counties of England | 0 | - | 4.97 | 798,540 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,517 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,377 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,972 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,337 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,191 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,179 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,737 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,616 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,706 |
| Countries of the Middle East | 0 | - | 4.96 | 201,591 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,581 |
| States of India | 0 | - | 4.95 | 193,991 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,380 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,864 |
| The Only African Country ... | 0 | - | 4.99 | 129,256 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,192 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,024 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,685 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,363 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,281 |
| Flags of Oceania | 0 | - | 5.00 | 260,315 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,414 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,633 |
| Regions of New Zealand | 0 | - | 4.84 | 28,585 |
| The Only American Country ... | 0 | - | 4.92 | 121,782 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,253 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,156 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,813 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,368 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,582 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,707 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,586 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,325 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,018 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,189 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,016 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,797 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,645 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,348 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,958 |
| Monarchies of Europe | 0 | - | 4.90 | 98,316 |
| European Countries with One Border | 0 | - | 4.97 | 183,064 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,846 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,684 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,913 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,058 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,751 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,098 |
| States of Germany | 0 | - | 4.95 | 153,079 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,239 |
| Regions of Italy | 0 | - | 4.92 | 76,182 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,384 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,312 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,375 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,120 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,090 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,740 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,654 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,215 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,506 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,381 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,367 |
| Monarchies of Asia | 0 | - | 4.97 | 71,191 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,993 |
| Provinces of Turkey | 0 | - | 4.95 | 204,572 |
| Provinces of China | 0 | - | 4.97 | 205,481 |
| Japanese Prefectures | 0 | - | 4.98 | 137,478 |
| Word Chain - Africa | 0 | - | 4.47 | 31,643 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,292 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,830 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,301 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,636 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,670 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,842 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,510 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,384 |
| Slavic Languages | 0 | - | 4.68 | 54,454 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,654 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,510 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,040 |
| Champions League Winners | 0 | - | 4.91 | 1,009,405 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,576 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,606 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,998 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 275,732 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 45,912 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,943 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,687 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,994 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,056 |
| States of India Map Quiz | 0 | - | 4.83 | 26,589 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,332 |
| African Great Lakes | 0 | - | 4.82 | 66,459 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,742 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,776 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,849 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,125 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,573 |
| Palau Country Quiz | 0 | - | 4.90 | 23,051 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,655 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,245 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,095 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,474 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,860 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,549 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,348 |
| States of Mexico | 0 | - | 4.96 | 176,646 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,949 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,065 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,139 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,224 |
| States of Brazil | 0 | - | 4.97 | 88,527 |
| Central American Countries | 0 | - | 4.98 | 156,722 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,954 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,085 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,830 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,788 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,707 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,928 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,359 |
| US States Quiz | 0 | - | 5.00 | 16,910,767 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,635 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,781 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,150 |
