| Australia... or New Zealand? | 0 | - | 4.83 | 53,915 |
| Regions of New Zealand | 0 | - | 4.83 | 24,228 |
| Australian Capitals | 0 | - | 4.90 | 52,963 |
| Australian True or False | 0 | - | 4.90 | 50,921 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.94 | 19,757 |
| Australia Country Quiz | 0 | - | 4.44 | 57,162 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 454,516 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 253,443 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 243,353 |
| Beatles Songs Quiz | 0 | - | 4.95 | 204,659 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 272,346 |
| Non-Stop Flights to New Zealand | 0 | - | 4.48 | 42,478 |
| Official European Union Languages | 0 | - | 4.98 | 199,066 |
| European Countries in their Native Language | 0 | - | 4.99 | 143,038 |
| Europe Map Quiz | 0 | - | 5.00 | 4,263,184 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,336,170 |
| Asia Map Quiz | 0 | - | 4.99 | 776,409 |
| Africa Map Quiz | 0 | - | 5.00 | 1,928,038 |
| Oceania Map Quiz | 0 | - | 4.97 | 563,448 |
| Word Chain - Australia | 0 | - | 4.38 | 36,070 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 382,579 |
| Countries that Beat Switzerland | 0 | - | 4.85 | 37,339 |
| South and Central Asia Map Quiz | 0 | - | 4.92 | 78,909 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,274,797 |
| Countries of Africa | 0 | - | 5.00 | 2,146,227 |
| African East Coast | 0 | - | 4.97 | 83,463 |
| Western Africa Map Quiz | 0 | - | 4.97 | 60,282 |
| Oceania Geography Quiz | 0 | - | 4.53 | 20,790 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 39,759 |
| Australia Map Quiz | 0 | - | 4.95 | 317,636 |
| United States Map Quiz | 0 | - | 4.98 | 3,884,979 |
| Musical Acts from Los Angeles Quiz | 0 | - | 4.24 | 12,667 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 194,456 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,436 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,717 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 334,270 |
| Europe Geography Decoder | 0 | - | 4.89 | 62,869 |
| 10 Easternmost Countries in Europe | 0 | - | 4.84 | 91,136 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.82 | 38,940 |
| The Only European Country ... | 0 | - | 4.94 | 176,361 |
| Countries by National Anthem | 0 | - | 4.94 | 61,669 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 20,738 |
| Counties of England | 0 | - | 4.96 | 684,611 |
| Wonderwall Lyrics | 0 | - | 4.22 | 68,445 |
| Best-Selling British Musical Acts | 0 | - | 4.47 | 43,337 |
| Flags of Asia Quiz | 0 | - | 4.99 | 519,882 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 99,730 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 124,988 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,189 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 95,986 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 110,150 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 92,887 |
| Top Asian Languages on a Map | 0 | - | 4.93 | 60,048 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 209,080 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 35,739 |
| Countries of the Middle East | 0 | - | 4.96 | 171,722 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 51,905 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 91,097 |
| Flags of Africa Quiz | 0 | - | 4.99 | 382,128 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 19,027 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 196,643 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 104,110 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 130,134 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 118,397 |
| Top African Languages on a Map | 0 | - | 4.91 | 51,632 |
| African Island Countries | 0 | - | 4.96 | 88,701 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 221,476 |
| Oceania Physical Geography | 0 | - | 4.25 | 11,875 |
| Australian States and Territories | 0 | - | 4.96 | 128,322 |
| Famous Australians | 0 | - | 4.21 | 19,294 |
| Australian Slang | 0 | - | 4.24 | 26,331 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,516 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 131,629 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 105,214 |
| South America Map Quiz | 0 | - | 5.00 | 1,412,121 |
| Countries of North America Quiz | 0 | - | 5.00 | 871,189 |
| North America Map Quiz | 0 | - | 4.98 | 195,236 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 106,114 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 573,862 |
| Most Spoken Languages in Canada | 0 | - | 4.82 | 46,460 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 36,997 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,034,749 |
| Celtic Nations | 0 | - | 4.76 | 44,543 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,173,287 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 159,734 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 137,763 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 183,822 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 76,385 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.89 | 79,158 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 283,517 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 113,989 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.90 | 48,086 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 73,930 |
| Eastern Europe Map Quiz | 0 | - | 4.89 | 114,842 |
| Slavic Countries | 0 | - | 4.96 | 99,903 |
| Regions of Spain Quiz | 0 | - | 4.85 | 93,772 |
| Cantons of Switzerland | 0 | - | 4.96 | 39,878 |
| UK Cities Map Quiz | 0 | - | 4.94 | 431,508 |
| Parts of the United Kingdom | 0 | - | 4.88 | 83,076 |
| Counties of England Map Quiz | 0 | - | 4.97 | 285,541 |
| Imagine Lyrics | 0 | - | 4.49 | 39,596 |
| A Quiz About The Beatles | 0 | - | 4.56 | 42,429 |
| Viva la Vida Lyrics | 0 | - | 4.43 | 35,957 |
| Champions League Winners | 0 | - | 4.91 | 841,374 |
| Asian Geography By Letter - B | 0 | - | 4.82 | 60,666 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.82 | 37,252 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 90,545 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 120,791 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 110,178 |
| Pixelated Asia Map | 0 | - | 4.89 | 62,632 |
| Monarchies of Asia | 0 | - | 4.95 | 53,672 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 87,750 |
| Provinces of Turkey | 0 | - | 4.95 | 175,732 |
| Provinces of China | 0 | - | 4.97 | 153,315 |
| Japanese Prefectures | 0 | - | 4.98 | 104,998 |
| States of India | 0 | - | 4.91 | 151,964 |
| 10 African Countries with the Most Tourists | 0 | - | 4.40 | 53,168 |
| Africa Geography Quiz #1 | 0 | - | 4.91 | 45,938 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 24,757 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 65,552 |
| The Only African Country ... | 0 | - | 4.99 | 104,644 |
| African Countries by a Single Clue | 0 | - | 4.91 | 63,232 |
| Pixelated Africa Map | 0 | - | 4.98 | 87,205 |
| Countries Closest to Africa | 0 | - | 4.95 | 144,641 |
| Flags of Oceania | 0 | - | 5.00 | 213,097 |
| Australia Cities Map Quiz | 0 | - | 4.85 | 130,350 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 306,884 |
| The Only American Country ... | 0 | - | 4.94 | 108,984 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,140 |
| Uruguay Country Quiz | 0 | - | 4.82 | 28,341 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 848,186 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 46,537 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 84,693 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.98 | 46,389 |
| U.S. State Border Crossings | 0 | - | 4.96 | 81,602 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 220,773 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.82 | 32,604 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 64,747 |
| Cities and Towns of Massachusetts | 0 | - | 4.89 | 59,416 |
| Who Did that Motown Song | 0 | - | 4.45 | 12,635 |
| Musical Acts from New York City | 0 | - | 3.80 | 9,536 |
| US States Quiz | 0 | - | 5.00 | 14,604,791 |
| Canada Provinces and Territories | 0 | - | 4.99 | 287,223 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 84,537 |
| Count to 10 in Europe: Pro | 0 | - | 4.79 | 60,658 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 82,892 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 119,772 |
| Three Band Flags of Europe | 0 | - | 4.97 | 159,806 |
| Catholic Countries in Europe | 0 | - | 4.87 | 82,926 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,519 |
| Pixelated Europe Map | 0 | - | 4.90 | 108,653 |
| Monarchies of Europe | 0 | - | 4.88 | 86,408 |
| European Countries with One Border | 0 | - | 4.96 | 149,661 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 143,565 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 132,726 |
| Federal Subjects of Russia | 0 | - | 4.95 | 110,671 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 101,080 |
| Regions of France Map Quiz | 0 | - | 4.96 | 126,540 |
| States of Germany Map Quiz | 0 | - | 4.91 | 119,598 |
| States of Germany | 0 | - | 4.94 | 121,969 |
| Germany Immigration by Country | 0 | - | 4.90 | 69,061 |
| States of the German Confederation in 1848 | 0 | - | 4.84 | 26,144 |
| Counties of Ireland | 0 | - | 4.89 | 157,675 |
| Regions of Italy | 0 | - | 4.88 | 59,728 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,426 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 31,395 |
| Spanish Immigration by Country | 0 | - | 4.59 | 51,600 |
| Spain Cities Map Quiz | 0 | - | 4.86 | 85,467 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 168,313 |
| Biggest Spanish Empire Countries | 0 | - | 4.90 | 92,254 |
| Countries Closest to Spain | 0 | - | 4.95 | 204,677 |
| Switzerland Immigration by Country | 0 | - | 4.81 | 20,109 |
| UK Immigration by Country | 0 | - | 4.95 | 124,349 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 117,420 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 98,690 |
| Countries that Visit the UK the Most | 0 | - | 4.84 | 61,840 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 102,484 |
| First Lines of Beatles Songs | 0 | - | 4.41 | 42,350 |
| English Monarchs Quiz | 0 | - | 4.91 | 443,770 |
| World Capitals Closest to London | 0 | - | 4.90 | 93,020 |
| 50 Busiest Air Routes from London | 0 | - | 4.89 | 84,978 |
| England or Wales? | 0 | - | 4.93 | 39,905 |
| All Champions League Teams Ever | 0 | - | 4.89 | 102,948 |
| Every Asian Country Shape | 0 | - | 4.94 | 74,597 |
| South China Sea Countries | 0 | - | 4.82 | 53,555 |
| Countries and States in the Caucasus | 0 | - | 4.45 | 45,779 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 116,169 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 80,649 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 83,831 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,180 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 88,593 |
| Top 10 Richest Countries in Asia | 0 | - | 4.86 | 77,681 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 100,965 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.43 | 246,082 |
| Name a Valid Asian Country | 0 | - | 4.98 | 91,753 |
| The Only Remaining Asian Country . . . | 0 | - | 4.72 | 39,489 |
| Countries Closest to the Persian Gulf | 0 | - | 4.88 | 68,264 |
| Qatar Country Quiz | 0 | - | 4.83 | 28,232 |
| Countries Bordering Iran | 0 | - | 4.84 | 87,868 |
| Countries that Border Iraq | 0 | - | 4.97 | 101,295 |
