| Australian Capitals | 0 | - | 4.92 | 62,730 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,179 |
| Official European Union Languages | 0 | - | 4.97 | 238,584 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,909 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,128 |
| Australia True or False | 0 | - | 4.87 | 56,880 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,750 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,190 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,472 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,537 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,358 |
| Australia Country Quiz | 0 | - | 4.43 | 69,603 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,598 |
| Regions of New Zealand | 0 | - | 4.85 | 28,531 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,703 |
| Slavic Languages | 0 | - | 4.68 | 54,383 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,285 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,245 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,559 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,177 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,132 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,141 |
| Top World Languages | 0 | - | 4.92 | 822,629 |
| Europe Map Quiz | 0 | - | 5.00 | 4,764,465 |
| Africa Map Quiz | 0 | - | 5.00 | 2,118,499 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,634 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,198 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,031 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,334 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,487 |
| Asia Map Quiz | 0 | - | 4.99 | 917,275 |
| Countries by Official Language | 0 | - | 4.95 | 194,999 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,000 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,035 |
| Countries in their Native Language | 0 | - | 4.99 | 198,507 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,857 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,882 |
| African East Coast | 0 | - | 4.96 | 96,104 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,952 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,154 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,744 |
| Word Chain - Australia | 0 | - | 4.38 | 38,146 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,368 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,668 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,136 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,009 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,339 |
| The Only European Country ... | 0 | - | 4.91 | 216,788 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,219 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,852 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,908 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,028 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,114 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,153 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,415 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,707 |
| German-Speaking Countries | 0 | - | 4.91 | 145,605 |
| Italian Name Translation | 0 | - | 4.83 | 46,914 |
| French-Speaking Countries | 0 | - | 4.85 | 270,585 |
| Countries of Africa | 0 | - | 5.00 | 2,538,498 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,057 |
| Australia Map Quiz | 0 | - | 4.95 | 344,709 |
| United States Map Quiz | 0 | - | 4.98 | 4,159,140 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,583 |
| Celtic Nations | 0 | - | 4.69 | 46,957 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,390 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,354 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,992 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,700 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,063 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,625 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,292 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,301 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,589 |
| African Island Countries | 0 | - | 4.96 | 101,678 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,490 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,685 |
| Australian States and Territories | 0 | - | 4.96 | 142,044 |
| Famous Australians by Description | 0 | - | 4.23 | 27,949 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,300 |
| Australian Slang | 0 | - | 4.24 | 28,633 |
| Flags of North and South America | 0 | - | 4.99 | 373,317 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,630 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,261 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,839 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,160 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,748 |
| North America Map Quiz | 0 | - | 4.98 | 248,668 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,771 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,651 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,898 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,389 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,923 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,122 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,715 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,247 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,837 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,195 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,399 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,701 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,052 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,303 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,345 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,248 |
| Slavic Countries | 0 | - | 4.96 | 111,712 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,371 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,038 |
| Languages of Spain | 0 | - | 4.36 | 23,326 |
| Counties of England | 0 | - | 4.97 | 797,306 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 356,302 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,897 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,274 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,791 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,193 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,030 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,957 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,549 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,446 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,975 |
| Countries of the Middle East | 0 | - | 4.96 | 201,254 |
| English Speaking Countries | 0 | - | 4.64 | 357,384 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,854 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,677 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,604 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,241 |
| States of India | 0 | - | 4.95 | 193,522 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,660 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,349 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,797 |
| The Only African Country ... | 0 | - | 4.99 | 129,137 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,141 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,895 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,405 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,238 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.88 | 57,616 |
| Flags of Oceania | 0 | - | 5.00 | 259,609 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,471 |
| The Only American Country ... | 0 | - | 4.92 | 121,652 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,150 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,592 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,463 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,017 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,704 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,215 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,504 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,509 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,498 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,106 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,957 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,108 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,892 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,605 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,400 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,179 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,508 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,799 |
| Monarchies of Europe | 0 | - | 4.90 | 98,183 |
| European Countries with One Border | 0 | - | 4.97 | 182,843 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,645 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,675 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,441 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,450 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,939 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,487 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,890 |
| States of Germany | 0 | - | 4.95 | 152,715 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,089 |
| Regions of Italy | 0 | - | 4.92 | 75,951 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,221 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,043 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,247 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,673 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,029 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,740 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,711 |
| Champions League Winners | 0 | - | 4.92 | 1,007,274 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,533 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,048 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,342 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,899 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,250 |
| Monarchies of Asia | 0 | - | 4.97 | 71,113 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,909 |
| Provinces of Turkey | 0 | - | 4.95 | 204,319 |
| Provinces of China | 0 | - | 4.97 | 204,721 |
| Japanese Prefectures | 0 | - | 4.98 | 137,092 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,339 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,770 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,062 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,874 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,902 |
| States of India Map Quiz | 0 | - | 4.83 | 26,537 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,257 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,749 |
| African Great Lakes | 0 | - | 4.82 | 66,286 |
| Word Chain - Africa | 0 | - | 4.47 | 31,626 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,637 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,637 |
| Name a Valid African Country | 0 | - | 4.98 | 154,135 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,814 |
