| Australian Capitals | 0 | - | 4.92 | 61,143 |
| Australia True or False | 0 | - | 4.90 | 52,331 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.94 | 21,842 |
| Australia Country Quiz | 0 | - | 4.44 | 58,314 |
| Regions of New Zealand | 0 | - | 4.81 | 25,037 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 492,532 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 258,917 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 248,636 |
| Europe Map Quiz | 0 | - | 5.00 | 4,358,333 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,357,118 |
| Asia Map Quiz | 0 | - | 4.99 | 802,338 |
| Africa Map Quiz | 0 | - | 5.00 | 1,963,876 |
| Oceania Map Quiz | 0 | - | 4.98 | 577,885 |
| Non-Stop Flights to New Zealand | 0 | - | 4.49 | 43,788 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 62,041 |
| Official European Union Languages | 0 | - | 4.98 | 204,272 |
| European Countries in their Native Language | 0 | - | 4.99 | 146,238 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 393,235 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,431 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 82,042 |
| African East Coast | 0 | - | 4.97 | 85,973 |
| Western Africa Map Quiz | 0 | - | 4.98 | 62,406 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,774 |
| Word Chain - Australia | 0 | - | 4.39 | 36,559 |
| American Countries on the Pacific Coast | 0 | - | 4.78 | 46,841 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 197,152 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,409 |
| Countries That Use the Euro | 0 | - | 4.93 | 66,500 |
| Europe Geography Decoder | 0 | - | 4.88 | 64,416 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 95,672 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,359 |
| The Only European Country ... | 0 | - | 4.93 | 183,598 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,294,774 |
| Countries of Africa | 0 | - | 5.00 | 2,220,555 |
| Oceania Geography Quiz | 0 | - | 4.54 | 21,042 |
| Australia Map Quiz | 0 | - | 4.94 | 323,412 |
| United States Map Quiz | 0 | - | 4.98 | 3,936,799 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 340,038 |
| Celtic Nations | 0 | - | 4.76 | 45,073 |
| Add A Letter - Make a European City | 0 | - | 4.86 | 21,307 |
| Counties of England | 0 | - | 4.97 | 706,285 |
| Flags of Asia Quiz | 0 | - | 4.99 | 535,918 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 101,785 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,791 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 90,333 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 98,325 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 113,027 |
| Asian Countries Ending in "IA" | 0 | - | 4.95 | 95,402 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 62,199 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 213,694 |
| Countries of the Middle East | 0 | - | 4.95 | 177,469 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 52,511 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 92,721 |
| Flags of Africa Quiz | 0 | - | 4.99 | 397,351 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 21,217 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 201,179 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 106,742 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 149,654 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 121,869 |
| Top African Languages on a Map | 0 | - | 4.93 | 56,321 |
| African Island Countries | 0 | - | 4.96 | 91,225 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 226,648 |
| Oceania Physical Geography | 0 | - | 4.28 | 12,032 |
| Australian States and Territories | 0 | - | 4.96 | 130,783 |
| Famous Australians | 0 | - | 4.22 | 19,418 |
| Australian Immigration by Country | 0 | - | 4.82 | 73,195 |
| Australian Slang | 0 | - | 4.25 | 26,858 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 316,791 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,957 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 134,371 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 109,247 |
| South America Map Quiz | 0 | - | 5.00 | 1,438,465 |
| Countries of North America Quiz | 0 | - | 5.00 | 899,168 |
| North America Map Quiz | 0 | - | 4.98 | 204,697 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 108,289 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 591,654 |
| Canada Geography Trivia | 0 | - | 4.81 | 45,329 |
| Most Spoken Languages in Canada | 0 | - | 4.88 | 48,146 |
| Straight Shot to Antarctica | 0 | - | 4.91 | 38,087 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,068,778 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,211,018 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 180,362 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 140,315 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 191,008 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 78,767 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.89 | 80,958 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 289,324 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 123,479 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 76,596 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 117,036 |
| Slavic Countries | 0 | - | 4.96 | 101,698 |
| Germany Multiple Choice | 0 | - | 4.81 | 50,153 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,791 |
| Regions of Spain Quiz | 0 | - | 4.87 | 97,642 |
| Cantons of Switzerland | 0 | - | 4.97 | 41,610 |
| UK Cities Map Quiz | 0 | - | 4.95 | 438,530 |
| Countries and Territories of the United Kingdom | 0 | - | 4.88 | 85,130 |
| Counties of England Map Quiz | 0 | - | 4.97 | 290,331 |
| Champions League Winners | 0 | - | 4.92 | 895,509 |
| Asian Geography By Letter - B | 0 | - | 4.83 | 62,494 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 38,584 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 93,629 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 123,538 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 114,696 |
| Pixelated Asia Map | 0 | - | 4.90 | 64,554 |
| Monarchies of Asia | 0 | - | 4.95 | 54,880 |
| Provinces of Turkey | 0 | - | 4.95 | 181,189 |
| Provinces of China | 0 | - | 4.98 | 161,947 |
| Japanese Prefectures | 0 | - | 4.98 | 111,151 |
| States of India | 0 | - | 4.92 | 160,352 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 55,138 |
| Africa Geography Quiz #1 | 0 | - | 4.92 | 46,589 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 26,601 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 67,193 |
| The Only African Country ... | 0 | - | 4.99 | 121,323 |
| African Countries by a Single Clue | 0 | - | 4.92 | 64,332 |
| Pixelated Africa Map | 0 | - | 4.98 | 89,891 |
| Countries Closest to Africa | 0 | - | 4.95 | 146,772 |
| Flags of Oceania | 0 | - | 5.00 | 221,061 |
| Australia Cities Map Quiz | 0 | - | 4.86 | 133,498 |
| The Only American Country ... | 0 | - | 4.94 | 111,701 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 102,437 |
| Uruguay Country Quiz | 0 | - | 4.82 | 29,065 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 860,008 |
| North American Capitals - Map Quiz | 0 | - | 4.89 | 48,471 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 86,995 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 49,709 |
| U.S. State Border Crossings | 0 | - | 4.96 | 83,073 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 224,467 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 66,596 |
| Cities and Towns of Massachusetts | 0 | - | 4.90 | 62,535 |
| Canada Provinces and Territories | 0 | - | 4.99 | 294,481 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 86,519 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 85,579 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 123,536 |
| Three Band Flags of Europe | 0 | - | 4.97 | 174,602 |
| Catholic Countries in Europe | 0 | - | 4.86 | 85,525 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,496 |
| Pixelated Europe Map | 0 | - | 4.90 | 111,118 |
| Monarchies of Europe | 0 | - | 4.89 | 88,340 |
| European Countries with One Border | 0 | - | 4.96 | 152,796 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 146,667 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 136,034 |
| Federal Subjects of Russia | 0 | - | 4.95 | 117,445 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 103,426 |
| Regions of France Map Quiz | 0 | - | 4.96 | 129,512 |
| France Immigration by Country | 0 | - | 4.81 | 70,419 |
| States of Germany Map Quiz | 0 | - | 4.91 | 122,130 |
| States of Germany | 0 | - | 4.94 | 127,474 |
| Germany Immigration by Country | 0 | - | 4.91 | 71,504 |
| Counties of Ireland | 0 | - | 4.90 | 163,962 |
| Regions of Italy | 0 | - | 4.89 | 62,262 |
| Spanish Immigration by Country | 0 | - | 4.63 | 52,579 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 87,908 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 171,806 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 95,628 |
| UK Immigration by Country | 0 | - | 4.94 | 127,629 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 121,942 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 102,608 |
| England or Wales? | 0 | - | 4.93 | 41,112 |
| All Champions League Teams Ever | 0 | - | 4.90 | 108,323 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.41 | 30,820 |
| Countries and States in the Caucasus | 0 | - | 4.47 | 47,094 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 117,361 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 82,212 |
| Asian Countries with the Most Christians | 0 | - | 4.87 | 86,321 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,973 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 103,876 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.43 | 252,321 |
| The Only Remaining Asian Country . . . | 0 | - | 4.70 | 40,839 |
| Countries Closest to the Persian Gulf | 0 | - | 4.92 | 77,942 |
| Countries Closest to Yemen | 0 | - | 4.68 | 3,810 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 71,778 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 93,506 |
| China Cities Map Quiz | 0 | - | 4.88 | 90,170 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 84,671 |
| China's Territorial Disputes | 0 | - | 4.42 | 33,254 |
| Japan Country Quiz | 0 | - | 4.92 | 121,696 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 95,447 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.96 | 53,283 |
| African Great Lakes | 0 | - | 4.85 | 55,257 |
| African Countries with the Most Christians | 0 | - | 4.92 | 68,605 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 111,618 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 296,019 |
| Kenya Country Quiz | 0 | - | 4.87 | 31,641 |
| Palau Country Quiz | 0 | - | 4.88 | 20,834 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 85,316 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 61,326 |
| Countries Closest to Australia | 0 | - | 4.99 | 147,203 |
| Tuvalu Country Quiz | 0 | - | 4.84 | 19,734 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 83,163 |
| States of Mexico | 0 | - | 4.94 | 145,623 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 96,071 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 42,386 |
| Brazil States Map Quiz | 0 | - | 4.84 | 40,976 |
| States of Brazil | 0 | - | 4.97 | 71,414 |
| Central American Countries | 0 | - | 4.98 | 141,576 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 105,782 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 118,388 |
| Total United States Immigration by Country | 0 | - | 4.90 | 98,406 |
