| Australian Capitals | 0 | - | 4.92 | 60,652 |
| Australia True or False | 0 | - | 4.90 | 51,336 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.94 | 20,361 |
| Australia Country Quiz | 0 | - | 4.43 | 57,500 |
| Regions of New Zealand | 0 | - | 4.83 | 24,440 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 457,114 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 255,260 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 244,691 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 60,910 |
| Official European Union Languages | 0 | - | 4.98 | 200,306 |
| European Countries in their Native Language | 0 | - | 4.99 | 143,897 |
| Europe Map Quiz | 0 | - | 5.00 | 4,290,469 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,344,651 |
| Asia Map Quiz | 0 | - | 4.99 | 784,802 |
| Africa Map Quiz | 0 | - | 5.00 | 1,938,382 |
| Oceania Map Quiz | 0 | - | 4.98 | 567,718 |
| Non-Stop Flights to New Zealand | 0 | - | 4.48 | 42,803 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 386,069 |
| Word Chain - Australia | 0 | - | 4.38 | 36,180 |
| Countries that Beat Switzerland | 0 | - | 4.85 | 37,590 |
| South and Central Asia Map Quiz | 0 | - | 4.92 | 79,789 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,280,869 |
| Countries of Africa | 0 | - | 5.00 | 2,165,821 |
| African East Coast | 0 | - | 4.97 | 84,138 |
| Western Africa Map Quiz | 0 | - | 4.97 | 60,861 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 40,273 |
| Australia Map Quiz | 0 | - | 4.95 | 319,546 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,094 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 195,317 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 86,632 |
| Countries That Use the Euro | 0 | - | 4.92 | 62,882 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 335,680 |
| Celtic Nations | 0 | - | 4.76 | 44,641 |
| Europe Geography Decoder | 0 | - | 4.89 | 63,235 |
| 10 Easternmost Countries in Europe | 0 | - | 4.85 | 92,143 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,035 |
| The Only European Country ... | 0 | - | 4.94 | 178,350 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 20,844 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 100,149 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 125,573 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,654 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 96,509 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 110,917 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 93,538 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 60,636 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 210,205 |
| Countries of the Middle East | 0 | - | 4.96 | 173,039 |
| Countries where Arabic is an Official Language | 0 | - | 4.84 | 52,044 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 91,653 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 19,446 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 197,560 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 104,625 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 130,796 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 119,276 |
| Top African Languages on a Map | 0 | - | 4.92 | 52,920 |
| African Island Countries | 0 | - | 4.96 | 89,282 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 222,890 |
| Oceania Physical Geography | 0 | - | 4.27 | 11,920 |
| Oceania Geography Quiz | 0 | - | 4.54 | 20,851 |
| Australian States and Territories | 0 | - | 4.96 | 128,929 |
| Famous Australians | 0 | - | 4.21 | 19,326 |
| Australian Slang | 0 | - | 4.24 | 26,461 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,998 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 132,233 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 106,605 |
| North America Map Quiz | 0 | - | 4.98 | 198,262 |
| Third Most Common Language by U.S. State | 0 | - | 4.91 | 107,010 |
| United States Map Quiz | 0 | - | 4.98 | 3,900,975 |
| Canada Geography Trivia | 0 | - | 4.81 | 44,786 |
| Most Spoken Languages in Canada | 0 | - | 4.82 | 47,008 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 37,289 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 160,447 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 138,341 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 186,006 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 76,922 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 79,630 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 285,279 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 115,773 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 74,620 |
| Eastern Europe Map Quiz | 0 | - | 4.89 | 115,651 |
| Slavic Countries | 0 | - | 4.96 | 100,440 |
| Germany Multiple Choice | 0 | - | 4.81 | 49,321 |
| Counties of England | 0 | - | 4.96 | 689,806 |
| Flags of Asia Quiz | 0 | - | 4.99 | 524,009 |
| Flags of Africa Quiz | 0 | - | 4.99 | 386,058 |
| 10 African Countries with the Most Tourists | 0 | - | 4.40 | 53,725 |
| South America Map Quiz | 0 | - | 5.00 | 1,419,532 |
| Countries of North America Quiz | 0 | - | 5.00 | 878,974 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 584,438 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,043,647 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,183,364 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,821 |
| Regions of Spain Quiz | 0 | - | 4.85 | 94,874 |
| Cantons of Switzerland | 0 | - | 4.96 | 40,284 |
| UK Cities Map Quiz | 0 | - | 4.94 | 433,154 |
| Parts of the United Kingdom | 0 | - | 4.88 | 83,820 |
| Counties of England Map Quiz | 0 | - | 4.97 | 286,757 |
| Champions League Winners | 0 | - | 4.91 | 852,557 |
| Asian Geography By Letter - B | 0 | - | 4.82 | 61,115 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 37,525 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 91,325 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 121,539 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 111,477 |
| Pixelated Asia Map | 0 | - | 4.90 | 63,157 |
| Monarchies of Asia | 0 | - | 4.95 | 53,968 |
| Asian Countries with the Fewest Borders | 0 | - | 4.82 | 88,277 |
| Provinces of Turkey | 0 | - | 4.95 | 177,336 |
| Provinces of China | 0 | - | 4.97 | 155,463 |
| Japanese Prefectures | 0 | - | 4.98 | 106,348 |
| States of India | 0 | - | 4.91 | 154,027 |
| Africa Geography Quiz #1 | 0 | - | 4.92 | 46,103 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.94 | 25,145 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 65,895 |
| The Only African Country ... | 0 | - | 4.98 | 105,150 |
| African Countries by a Single Clue | 0 | - | 4.91 | 63,457 |
| Pixelated Africa Map | 0 | - | 4.98 | 88,240 |
| Countries Closest to Africa | 0 | - | 4.95 | 145,164 |
| Flags of Oceania | 0 | - | 5.00 | 215,075 |
| Australia Cities Map Quiz | 0 | - | 4.85 | 131,126 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 309,577 |
| The Only American Country ... | 0 | - | 4.94 | 109,629 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,778 |
| Uruguay Country Quiz | 0 | - | 4.82 | 28,545 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 850,883 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 47,051 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 85,360 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 47,372 |
| U.S. State Border Crossings | 0 | - | 4.96 | 82,070 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 222,058 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.83 | 33,195 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.87 | 65,236 |
| Cities and Towns of Massachusetts | 0 | - | 4.89 | 60,287 |
| Canada Provinces and Territories | 0 | - | 4.99 | 289,468 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 85,073 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 83,795 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 120,734 |
| Three Band Flags of Europe | 0 | - | 4.97 | 160,869 |
| Catholic Countries in Europe | 0 | - | 4.87 | 83,658 |
| Pixelated Europe Map | 0 | - | 4.90 | 109,389 |
| Monarchies of Europe | 0 | - | 4.88 | 86,962 |
| European Countries with One Border | 0 | - | 4.96 | 150,469 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 144,374 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 133,610 |
| Federal Subjects of Russia | 0 | - | 4.95 | 112,379 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 102,034 |
| Regions of France Map Quiz | 0 | - | 4.96 | 127,356 |
| States of Germany Map Quiz | 0 | - | 4.91 | 120,165 |
| States of Germany | 0 | - | 4.93 | 123,560 |
| Germany Immigration by Country | 0 | - | 4.90 | 69,684 |
| Counties of Ireland | 0 | - | 4.89 | 159,096 |
| Regions of Italy | 0 | - | 4.88 | 60,383 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,601 |
| Spanish Immigration by Country | 0 | - | 4.63 | 51,844 |
| Spain Cities Map Quiz | 0 | - | 4.86 | 86,204 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 169,220 |
| Biggest Spanish Empire Countries | 0 | - | 4.90 | 93,434 |
| UK Immigration by Country | 0 | - | 4.95 | 125,155 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 118,668 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 99,961 |
| England or Wales? | 0 | - | 4.93 | 40,221 |
| All Champions League Teams Ever | 0 | - | 4.89 | 104,395 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 46,171 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 116,426 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 81,039 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 84,531 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,656 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 101,725 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.43 | 247,450 |
| The Only Remaining Asian Country . . . | 0 | - | 4.72 | 39,831 |
| Countries Closest to the Persian Gulf | 0 | - | 4.88 | 68,518 |
| Countries with the Most Arabic Speakers | 0 | - | 4.91 | 70,446 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 92,099 |
| Indonesia Country Quiz | 0 | - | 4.83 | 65,325 |
| China Cities Map Quiz | 0 | - | 4.88 | 88,702 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 83,433 |
| China's Territorial Disputes | 0 | - | 4.42 | 32,839 |
| Japan Country Quiz | 0 | - | 4.92 | 119,318 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 93,492 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.96 | 52,429 |
| African Great Lakes | 0 | - | 4.84 | 53,108 |
| African Countries with the Most Christians | 0 | - | 4.92 | 67,324 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 109,525 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 290,477 |
| Provinces of South Africa | 0 | - | 4.81 | 17,804 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 84,167 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 59,778 |
| Countries Closest to Australia | 0 | - | 4.99 | 145,385 |
| Tuvalu Country Quiz | 0 | - | 4.84 | 19,411 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 81,340 |
| States of Mexico | 0 | - | 4.95 | 141,069 |
| Mexico States Map Quiz | 0 | - | 4.84 | 90,513 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 94,122 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.90 | 39,849 |
| Brazil States Map Quiz | 0 | - | 4.83 | 39,508 |
| States of Brazil | 0 | - | 4.97 | 68,496 |
| Central American Countries | 0 | - | 4.98 | 139,385 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 104,360 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 116,586 |
| Total United States Immigration by Country | 0 | - | 4.89 | 96,611 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 146,778 |
