| African Countries by First 2 Letters | 0 | - | 4.96 | 266,490 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,399 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,571 |
| Official European Union Languages | 0 | - | 4.97 | 236,489 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,685 |
| African East Coast | 0 | - | 4.96 | 95,021 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,608 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,373 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,599 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,661 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,241 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,149 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,295 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,045 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,994 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,277 |
| African Great Lakes | 0 | - | 4.82 | 65,124 |
| Slavic Languages | 0 | - | 4.67 | 53,969 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,081 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,425 |
| Africa A-Z | 0 | - | 4.57 | 46,363 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,632 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,109 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,058 |
| Top World Languages | 0 | - | 4.92 | 812,885 |
| Famous People from Africa | 0 | - | 4.45 | 10,855 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,202 |
| Word Chain - Africa | 0 | - | 4.47 | 31,437 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,447 |
| Australian Capitals | 0 | - | 4.92 | 62,592 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,492 |
| Countries by Official Language | 0 | - | 4.95 | 192,731 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,410 |
| Places in their Native Language #2 | 0 | - | 4.85 | 122,954 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,069 |
| Countries in their Native Language | 0 | - | 4.99 | 196,594 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,759 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,020 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,801 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.67 | 37,825 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,163 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,127 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,687 |
| Asia Map Quiz | 0 | - | 4.99 | 906,828 |
| African Physical Geography | 0 | - | 4.51 | 31,566 |
| Geography of South Africa | 0 | - | 4.54 | 17,140 |
| History of South Africa | 0 | - | 4.60 | 17,599 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,701 |
| Countries of Africa | 0 | - | 5.00 | 2,507,115 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,797 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,688 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,904 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,780 |
| Australia Map Quiz | 0 | - | 4.94 | 342,436 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,084 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,195 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,931 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,272 |
| Celtic Nations | 0 | - | 4.69 | 46,809 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,529 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,508 |
| The Only European Country ... | 0 | - | 4.91 | 213,763 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,488 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,560 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,440 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,724 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,528 |
| Spanish to English Country Names | 0 | - | 4.85 | 32,005 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,678 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,281 |
| German-Speaking Countries | 0 | - | 4.89 | 123,498 |
| Italian Name Translation | 0 | - | 4.81 | 45,003 |
| French-Speaking Countries | 0 | - | 4.85 | 268,768 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,070 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,426 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,593 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,546 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,242 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,493 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,065 |
| African Island Countries | 0 | - | 4.96 | 100,765 |
| Provinces of South Africa | 0 | - | 4.74 | 21,368 |
| Australian States and Territories | 0 | - | 4.95 | 140,723 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,013 |
| Australia True or False | 0 | - | 4.87 | 56,496 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,144 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,147 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,170 |
| North America Map Quiz | 0 | - | 4.98 | 244,365 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,372 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,489 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,237 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,693 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,265 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,268 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,455 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,836 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,782 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,830 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,345 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,230 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,173 |
| Slavic Countries | 0 | - | 4.96 | 110,832 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,042 |
| Languages of Spain | 0 | - | 4.36 | 23,146 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,339 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,741 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,380 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,218 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,689 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,463 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,746 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,142 |
| Countries of the Middle East | 0 | - | 4.96 | 198,864 |
| English Speaking Countries | 0 | - | 4.64 | 355,998 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,079 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,239 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,779 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,145 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,121 |
| Australia Country Quiz | 0 | - | 4.43 | 69,269 |
| Flags of North and South America | 0 | - | 4.99 | 366,967 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,034 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,412 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,783 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,813 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,174 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,578 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,133 |
| Counties of England | 0 | - | 4.97 | 789,035 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,787 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,357 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,265 |
| States of India | 0 | - | 4.94 | 189,977 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,242 |
| African Geography A-Z | 0 | - | 4.33 | 21,415 |
| The Only African Country ... | 0 | - | 4.99 | 128,344 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,772 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,047 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,085 |
| Flags of Oceania | 0 | - | 5.00 | 255,084 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,908 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,410 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,044 |
| Regions of New Zealand | 0 | - | 4.85 | 28,124 |
| The Only American Country ... | 0 | - | 4.92 | 120,734 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,321 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,348 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,741 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,932 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,883 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,917 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,943 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,299 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,851 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,043 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,480 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,350 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,316 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,027 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,349 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,825 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,198 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,778 |
| Monarchies of Europe | 0 | - | 4.90 | 97,295 |
| European Countries with One Border | 0 | - | 4.97 | 181,590 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,501 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,220 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,914 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,935 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,175 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,101 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,667 |
| States of Germany | 0 | - | 4.96 | 150,003 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,998 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,517 |
| Regions of Italy | 0 | - | 4.92 | 74,681 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,790 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,303 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,136 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,097 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,896 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,066 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,403 |
| Champions League Winners | 0 | - | 4.92 | 996,130 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,988 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,010 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,336 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,723 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,384 |
| Monarchies of Asia | 0 | - | 4.97 | 70,590 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,427 |
| Provinces of Turkey | 0 | - | 4.95 | 200,934 |
| Provinces of China | 0 | - | 4.97 | 200,061 |
| Japanese Prefectures | 0 | - | 4.98 | 134,509 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,718 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,201 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,853 |
| States of India Map Quiz | 0 | - | 4.82 | 26,021 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,767 |
