| Australia... or New Zealand? | 0 | - | 4.83 | 61,484 |
| Regions of New Zealand | 0 | - | 4.85 | 28,465 |
| Australian Capitals | 0 | - | 4.92 | 62,707 |
| Australia True or False | 0 | - | 4.87 | 56,799 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,282 |
| Australia Country Quiz | 0 | - | 4.43 | 69,548 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,039 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,972 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,803 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,974 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,037 |
| Official European Union Languages | 0 | - | 4.97 | 238,245 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,689 |
| Europe Map Quiz | 0 | - | 5.00 | 4,757,557 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,837 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,522 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,571 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,092 |
| Word Chain - Australia | 0 | - | 4.38 | 38,125 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,696 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,176 |
| Asia Map Quiz | 0 | - | 4.99 | 915,194 |
| Countries of Africa | 0 | - | 5.00 | 2,531,949 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,682 |
| African East Coast | 0 | - | 4.96 | 95,891 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,698 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,041 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,546 |
| Australia Map Quiz | 0 | - | 4.95 | 343,988 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,938 |
| Musical Acts from Los Angeles by Two Songs | 0 | - | 4.27 | 16,063 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,882 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,598 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,683 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,121 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,919 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,947 |
| The Only European Country ... | 0 | - | 4.91 | 216,167 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,869 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,779 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,752 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,740 |
| Countries by National Anthem | 0 | - | 4.93 | 71,195 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,910 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,849 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,758 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,454 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,073 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,145 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,277 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,783 |
| African Island Countries | 0 | - | 4.96 | 101,482 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,171 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,674 |
| Australian States and Territories | 0 | - | 4.96 | 141,776 |
| Famous Australians by Description | 0 | - | 4.23 | 27,894 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,247 |
| Australian Slang | 0 | - | 4.24 | 28,605 |
| Flags of North and South America | 0 | - | 4.99 | 372,284 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,543 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,131 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,489 |
| South America Map Quiz | 0 | - | 5.00 | 1,548,025 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,216 |
| North America Map Quiz | 0 | - | 4.98 | 247,961 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,672 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,675 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,442 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,065 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,820 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,370 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,241,174 |
| Celtic Nations | 0 | - | 4.69 | 46,915 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,832 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,493 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,043 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,313 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,040 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,289 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,107 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,937 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,889 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,086 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,870 |
| Slavic Countries | 0 | - | 4.96 | 111,536 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,306 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,913 |
| Counties of England | 0 | - | 4.97 | 795,326 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,710 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,874 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,050 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,125 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,596 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,019 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,862 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,718 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,343 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,314 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,112 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,803 |
| Countries of the Middle East | 0 | - | 4.96 | 200,870 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,463 |
| States of India | 0 | - | 4.95 | 192,843 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,555 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,302 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,696 |
| The Only African Country ... | 0 | - | 4.99 | 128,994 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,086 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,717 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,822 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,056 |
| Flags of Oceania | 0 | - | 5.00 | 258,439 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,268 |
| The Only American Country ... | 0 | - | 4.92 | 121,458 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,984 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,533 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,686 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,775 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,583 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,932 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,387 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,248 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,370 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,805 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,049 |
| Musical Acts from New York City | 0 | - | 3.80 | 10,152 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,845 |
| US States Quiz | 0 | - | 5.00 | 16,843,296 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,554 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,981 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,728 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,331 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,038 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,977 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,426 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,577 |
| Monarchies of Europe | 0 | - | 4.90 | 98,004 |
| European Countries with One Border | 0 | - | 4.97 | 182,583 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,398 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,978 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,597 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,781 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,239 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,618 |
| States of Germany | 0 | - | 4.96 | 152,111 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,930 |
| Regions of Italy | 0 | - | 4.92 | 75,669 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,992 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,742 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,091 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,148 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,899 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,112 |
| Imagine Lyrics | 0 | - | 4.53 | 43,237 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,886 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,667 |
| Champions League Winners | 0 | - | 4.92 | 1,004,826 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,429 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,832 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,119 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,467 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,050 |
| Monarchies of Asia | 0 | - | 4.97 | 71,010 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,795 |
| Provinces of Turkey | 0 | - | 4.95 | 203,790 |
| Provinces of China | 0 | - | 4.97 | 203,748 |
| Japanese Prefectures | 0 | - | 4.98 | 136,551 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,753 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,676 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,176 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,220 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,196 |
| States of India Map Quiz | 0 | - | 4.83 | 26,446 |
| Countries Bordering India | 0 | - | 4.98 | 163,360 |
| Countries Closest to India | 0 | - | 4.97 | 102,680 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,159 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,677 |
| African Great Lakes | 0 | - | 4.82 | 66,096 |
| Every African Country Shape | 0 | - | 4.90 | 87,117 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,506 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,173 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,450 |
| Name a Valid African Country | 0 | - | 4.98 | 153,864 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,746 |
| Djibouti Country Quiz | 0 | - | 4.82 | 21,670 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,864 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,804 |
| Mauritius Country Quiz | 0 | - | 4.83 | 22,242 |
| Seychelles Country Quiz | 0 | - | 4.91 | 21,856 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,028 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,114 |
| Liberia Country Quiz | 0 | - | 4.85 | 21,866 |
| Mali Country Quiz | 0 | - | 4.83 | 24,780 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,430 |
| Botswana Country Quiz | 0 | - | 4.90 | 22,498 |
| Lesotho Country Quiz | 0 | - | 4.83 | 20,560 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,739 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,941 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,474 |
| Palau Country Quiz | 0 | - | 4.90 | 22,983 |