| African Countries by First 2 Letters | 0 | - | 4.96 | 266,538 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,456 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,581 |
| Official European Union Languages | 0 | - | 4.97 | 236,534 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,703 |
| African East Coast | 0 | - | 4.96 | 95,055 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,660 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,380 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,616 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,686 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,251 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,161 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,342 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,046 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,001 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,356 |
| African Great Lakes | 0 | - | 4.82 | 65,160 |
| Slavic Languages | 0 | - | 4.67 | 53,986 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,106 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,425 |
| Africa A-Z | 0 | - | 4.57 | 46,372 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,724 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,135 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,111 |
| Top World Languages | 0 | - | 4.92 | 813,140 |
| Famous People from Africa | 0 | - | 4.45 | 10,858 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,207 |
| Word Chain - Africa | 0 | - | 4.47 | 31,441 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,453 |
| Australian Capitals | 0 | - | 4.92 | 62,593 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,427 |
| Countries by Official Language | 0 | - | 4.95 | 192,768 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,464 |
| Places in their Native Language #2 | 0 | - | 4.85 | 122,976 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,128 |
| Countries in their Native Language | 0 | - | 4.99 | 196,635 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,800 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,346 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,806 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.67 | 37,869 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,316 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,205 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,494 |
| Asia Map Quiz | 0 | - | 4.99 | 907,047 |
| African Physical Geography | 0 | - | 4.51 | 31,569 |
| Geography of South Africa | 0 | - | 4.54 | 17,144 |
| History of South Africa | 0 | - | 4.60 | 17,602 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,703 |
| Countries of Africa | 0 | - | 5.00 | 2,507,939 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,817 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,692 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,926 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,800 |
| Australia Map Quiz | 0 | - | 4.94 | 342,486 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,150 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,210 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,998 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,308 |
| Celtic Nations | 0 | - | 4.69 | 46,812 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,541 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,564 |
| The Only European Country ... | 0 | - | 4.91 | 213,840 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,542 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,568 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,472 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,928 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,557 |
| Spanish to English Country Names | 0 | - | 4.85 | 32,029 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,692 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,294 |
| German-Speaking Countries | 0 | - | 4.89 | 123,506 |
| Italian Name Translation | 0 | - | 4.81 | 45,036 |
| French-Speaking Countries | 0 | - | 4.85 | 268,802 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,074 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,435 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,631 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,579 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,278 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,508 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,114 |
| African Island Countries | 0 | - | 4.96 | 100,793 |
| Provinces of South Africa | 0 | - | 4.74 | 21,384 |
| Australian States and Territories | 0 | - | 4.95 | 140,888 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,020 |
| Australia True or False | 0 | - | 4.87 | 56,508 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,156 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,165 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,232 |
| North America Map Quiz | 0 | - | 4.98 | 244,449 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,899 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,499 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,239 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,717 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,291 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,335 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,473 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,852 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,829 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,892 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,446 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,268 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,206 |
| Slavic Countries | 0 | - | 4.96 | 110,860 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,048 |
| Languages of Spain | 0 | - | 4.36 | 23,148 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,345 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,765 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,416 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,247 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,708 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,492 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,771 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,157 |
| Countries of the Middle East | 0 | - | 4.96 | 198,929 |
| English Speaking Countries | 0 | - | 4.64 | 356,017 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,104 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,251 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,801 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,195 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,410 |
| Australia Country Quiz | 0 | - | 4.43 | 69,281 |
| Flags of North and South America | 0 | - | 4.99 | 367,251 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,237 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,673 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,922 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,967 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,689 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,802 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,147 |
| Counties of England | 0 | - | 4.97 | 789,206 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,933 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,591 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,278 |
| States of India | 0 | - | 4.94 | 190,044 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,250 |
| African Geography A-Z | 0 | - | 4.33 | 21,417 |
| The Only African Country ... | 0 | - | 4.99 | 128,368 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,779 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,070 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,111 |
| Flags of Oceania | 0 | - | 5.00 | 255,205 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,918 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,427 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,058 |
| Regions of New Zealand | 0 | - | 4.85 | 28,140 |
| The Only American Country ... | 0 | - | 4.92 | 120,763 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,342 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,354 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,796 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,970 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,900 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,993 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,962 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,329 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,873 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,077 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,494 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,368 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,335 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,043 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,394 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,862 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,217 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,813 |
| Monarchies of Europe | 0 | - | 4.90 | 97,316 |
| European Countries with One Border | 0 | - | 4.97 | 181,631 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,524 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,267 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,951 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,007 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,201 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,130 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,685 |
| States of Germany | 0 | - | 4.96 | 150,057 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,016 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,520 |
| Regions of Italy | 0 | - | 4.92 | 74,728 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,815 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,355 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,183 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,163 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,910 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,092 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,406 |
| Champions League Winners | 0 | - | 4.92 | 996,372 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,001 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,045 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,361 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,776 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,411 |
| Monarchies of Asia | 0 | - | 4.97 | 70,604 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,433 |
| Provinces of Turkey | 0 | - | 4.95 | 201,031 |
| Provinces of China | 0 | - | 4.97 | 200,134 |
| Japanese Prefectures | 0 | - | 4.98 | 134,583 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,767 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,214 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,901 |
| States of India Map Quiz | 0 | - | 4.82 | 26,039 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,777 |
