| Australian Capitals | 0 | - | 4.90 | 52,921 |
| Australian True or False | 0 | - | 4.90 | 50,765 |
| Non-Stop Flights to New Zealand | 0 | - | 4.48 | 42,322 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.96 | 17,925 |
| Regions of New Zealand | 0 | - | 4.83 | 24,126 |
| Australia Country Quiz | 0 | - | 4.44 | 57,050 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 453,475 |
| Beatles Songs Quiz | 0 | - | 4.94 | 203,956 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 271,477 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 252,508 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 242,737 |
| New Zealand Country Quiz | 0 | - | 4.72 | 68,836 |
| Europe Map Quiz | 0 | - | 5.00 | 4,249,595 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,333,238 |
| Asia Map Quiz | 0 | - | 4.99 | 772,502 |
| Africa Map Quiz | 0 | - | 5.00 | 1,923,322 |
| Oceania Map Quiz | 0 | - | 4.97 | 561,679 |
| Word Chain - Australia | 0 | - | 4.38 | 36,011 |
| Official European Union Languages | 0 | - | 4.98 | 198,555 |
| European Countries in their Native Language | 0 | - | 4.99 | 142,767 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 381,551 |
| Countries that Beat Switzerland | 0 | - | 4.85 | 37,221 |
| Wonderwall Lyrics | 0 | - | 4.22 | 68,265 |
| Best-Selling British Musical Acts | 0 | - | 4.47 | 43,257 |
| Elton John Quiz | 0 | - | 4.33 | 12,999 |
| South and Central Asia Map Quiz | 0 | - | 4.92 | 78,491 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,272,423 |
| Countries of Africa | 0 | - | 5.00 | 2,136,916 |
| African East Coast | 0 | - | 4.97 | 83,161 |
| Western Africa Map Quiz | 0 | - | 4.97 | 59,847 |
| Oceania Geography Quiz | 0 | - | 4.53 | 20,754 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 39,538 |
| Australia Map Quiz | 0 | - | 4.94 | 317,067 |
| United States Map Quiz | 0 | - | 4.98 | 3,878,294 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 192,815 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,376 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,327 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 333,560 |
| Europe Geography Decoder | 0 | - | 4.89 | 62,715 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 90,693 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.82 | 38,897 |
| The Only European Country ... | 0 | - | 4.94 | 175,726 |
| Countries by National Anthem | 0 | - | 4.94 | 61,586 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 20,685 |
| Regions of Spain Quiz | 0 | - | 4.85 | 93,363 |
| Cantons of Switzerland | 0 | - | 4.96 | 39,696 |
| UK Cities Map Quiz | 0 | - | 4.94 | 430,384 |
| Parts of the United Kingdom | 0 | - | 4.88 | 82,874 |
| Counties of England Map Quiz | 0 | - | 4.97 | 284,979 |
| Counties of England | 0 | - | 4.96 | 681,870 |
| Imagine Lyrics | 0 | - | 4.49 | 39,509 |
| A Quiz About The Beatles | 0 | - | 4.56 | 42,282 |
| Viva la Vida Lyrics | 0 | - | 4.43 | 35,798 |
| Champions League Winners | 0 | - | 4.90 | 836,763 |
| Flags of Asia Quiz | 0 | - | 4.99 | 517,859 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 99,503 |
| Asian Geography By Letter - B | 0 | - | 4.82 | 60,496 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 124,708 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 87,903 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 95,661 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 37,146 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 90,197 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 109,839 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 92,553 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 120,431 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 109,690 |
| Top Asian Languages on a Map | 0 | - | 4.93 | 59,811 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 208,556 |
| Pixelated Asia Map | 0 | - | 4.89 | 62,404 |
| Monarchies of Asia | 0 | - | 4.95 | 53,539 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 87,521 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 35,470 |
| Countries of the Middle East | 0 | - | 4.96 | 171,147 |
| Provinces of Turkey | 0 | - | 4.95 | 175,105 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 51,853 |
| Provinces of China | 0 | - | 4.97 | 152,115 |
| Japanese Prefectures | 0 | - | 4.98 | 104,469 |
| States of India | 0 | - | 4.91 | 151,137 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 90,918 |
| Flags of Africa Quiz | 0 | - | 4.99 | 380,120 |
| Africa Geography Quiz #1 | 0 | - | 4.91 | 45,865 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 18,814 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 196,226 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 103,801 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 129,645 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 24,592 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 65,417 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 117,939 |
| The Only African Country ... | 0 | - | 4.98 | 104,460 |
| African Countries by a Single Clue | 0 | - | 4.91 | 63,144 |
| Top African Languages on a Map | 0 | - | 4.91 | 51,045 |
| African Island Countries | 0 | - | 4.96 | 88,420 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 220,904 |
| Pixelated Africa Map | 0 | - | 4.98 | 86,963 |
| Countries Closest to Africa | 0 | - | 4.95 | 144,076 |
| Flags of Oceania | 0 | - | 5.00 | 212,231 |
| Oceania Physical Geography | 0 | - | 4.25 | 11,864 |
| Australian States and Territories | 0 | - | 4.96 | 128,088 |
| Famous Australians | 0 | - | 4.21 | 19,284 |
| Australia Cities Map Quiz | 0 | - | 4.85 | 130,030 |
| Australian Slang | 0 | - | 4.24 | 26,278 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 305,896 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,373 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 131,195 |
| The Only American Country ... | 0 | - | 4.94 | 108,760 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 99,881 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 104,731 |
| South America Map Quiz | 0 | - | 5.00 | 1,408,855 |
| Uruguay Country Quiz | 0 | - | 4.82 | 28,263 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 846,732 |
| Countries of North America Quiz | 0 | - | 5.00 | 867,762 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 46,310 |
| North America Map Quiz | 0 | - | 4.98 | 194,000 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 84,448 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 45,685 |
| U.S. State Border Crossings | 0 | - | 4.96 | 81,363 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 220,365 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 105,986 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.82 | 32,335 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 64,539 |
| Cities and Towns of Massachusetts | 0 | - | 4.89 | 59,064 |
| Who Did that Motown Song | 0 | - | 4.45 | 12,626 |
| US States Quiz | 0 | - | 5.00 | 14,548,586 |
| Canada Provinces and Territories | 0 | - | 4.99 | 286,382 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 572,810 |
| Most Spoken Languages in Canada | 0 | - | 4.82 | 46,282 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 84,279 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 36,877 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,030,548 |
| Celtic Nations | 0 | - | 4.76 | 44,493 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,169,273 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 159,439 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 137,293 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 82,678 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 183,150 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 119,344 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 76,120 |
| Three Band Flags of Europe | 0 | - | 4.97 | 159,349 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.89 | 78,940 |
| Catholic Countries in Europe | 0 | - | 4.87 | 82,609 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 282,867 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 113,125 |
| Pixelated Europe Map | 0 | - | 4.89 | 108,367 |
| Monarchies of Europe | 0 | - | 4.88 | 86,127 |
| European Countries with One Border | 0 | - | 4.96 | 148,966 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 143,232 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.90 | 47,555 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 132,135 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 73,638 |
| Eastern Europe Map Quiz | 0 | - | 4.88 | 114,623 |
| Slavic Countries | 0 | - | 4.96 | 99,711 |
| Federal Subjects of Russia | 0 | - | 4.95 | 109,679 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 100,861 |
| Regions of France Map Quiz | 0 | - | 4.96 | 126,198 |
| States of Germany Map Quiz | 0 | - | 4.91 | 119,366 |
| States of Germany | 0 | - | 4.94 | 121,296 |
| Germany Immigration by Country | 0 | - | 4.90 | 68,783 |
| Counties of Ireland | 0 | - | 4.89 | 156,983 |
| Regions of Italy | 0 | - | 4.88 | 59,401 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,360 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 31,274 |
| Spain Cities Map Quiz | 0 | - | 4.86 | 85,192 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 167,868 |
| Biggest Spanish Empire Countries | 0 | - | 4.90 | 91,741 |
| Countries Closest to Spain | 0 | - | 4.95 | 204,213 |
| UK Immigration by Country | 0 | - | 4.95 | 123,964 |
| United Kingdom Country Quiz | 0 | - | 4.93 | 116,904 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 98,150 |
| Countries that Visit the UK the Most | 0 | - | 4.84 | 61,526 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 101,832 |
| First Lines of Beatles Songs | 0 | - | 4.41 | 42,225 |
| English Monarchs Quiz | 0 | - | 4.91 | 442,436 |
| World Capitals Closest to London | 0 | - | 4.90 | 92,861 |
| 50 Busiest Air Routes from London | 0 | - | 4.88 | 84,713 |
| England or Wales? | 0 | - | 4.93 | 39,796 |
| All Champions League Teams Ever | 0 | - | 4.89 | 102,181 |
| Every Asian Country Shape | 0 | - | 4.94 | 74,389 |
| South China Sea Countries | 0 | - | 4.81 | 53,452 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 116,048 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 83,468 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.83 | 53,968 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 88,464 |
| Top 10 Richest Countries in Asia | 0 | - | 4.86 | 72,298 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 100,531 |
| Name a Valid Asian Country | 0 | - | 4.98 | 91,507 |
| Countries Closest to the Persian Gulf | 0 | - | 4.88 | 68,121 |
| Countries Bordering Iran | 0 | - | 4.84 | 87,755 |
| Countries that Border Iraq | 0 | - | 4.97 | 101,188 |
| Countries Closest to Turkey | 0 | - | 4.94 | 105,361 |
| Countries Bordering Turkey | 0 | - | 4.98 | 108,208 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 66,724 |
| Countries Bordering Saudi Arabia | 0 | - | 4.94 | 111,364 |
| Countries with the Most Arabic Speakers | 0 | - | 4.91 | 69,738 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 91,363 |
| Indonesia Country Quiz | 0 | - | 4.82 | 64,554 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 84,208 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 86,195 |
| Countries Bordering Myanmar | 0 | - | 4.85 | 70,394 |
| China Cities Map Quiz | 0 | - | 4.87 | 87,861 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 82,867 |
