| African Countries by First 2 Letters | 0 | - | 4.96 | 267,946 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,756 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,025 |
| Official European Union Languages | 0 | - | 4.97 | 238,210 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,662 |
| African East Coast | 0 | - | 4.96 | 95,869 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,126 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,670 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,063 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,304 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,453 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,548 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,733 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,139 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,298 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,968 |
| African Great Lakes | 0 | - | 4.82 | 66,073 |
| Slavic Languages | 0 | - | 4.68 | 54,286 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,762 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,537 |
| African Physical Geography | 0 | - | 4.51 | 31,666 |
| Africa A-Z | 0 | - | 4.57 | 46,575 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,340 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,910 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,661 |
| Top World Languages | 0 | - | 4.92 | 820,466 |
| Famous People from Africa | 0 | - | 4.45 | 10,944 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,353 |
| Word Chain - Africa | 0 | - | 4.47 | 31,595 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,700 |
| Australian Capitals | 0 | - | 4.92 | 62,702 |
| Europe Map Quiz | 0 | - | 5.00 | 4,756,953 |
| Countries by Official Language | 0 | - | 4.95 | 194,672 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,607 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,587 |
| Countries in their Native Language | 0 | - | 4.99 | 198,218 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,572 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,255 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,944 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.85 | 53,543 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,923 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,637 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,027 |
| Asia Map Quiz | 0 | - | 4.99 | 914,987 |
| Geography of South Africa | 0 | - | 4.54 | 17,226 |
| History of South Africa | 0 | - | 4.60 | 17,664 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,868 |
| Countries of Africa | 0 | - | 5.00 | 2,531,399 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,659 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,745 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,673 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,510 |
| Australia Map Quiz | 0 | - | 4.95 | 343,920 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,844 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,595 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,629 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,073 |
| Celtic Nations | 0 | - | 4.69 | 46,912 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,904 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,914 |
| The Only European Country ... | 0 | - | 4.91 | 216,104 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,838 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,770 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,712 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,582 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,002 |
| Spanish to English Country Names | 0 | - | 4.86 | 32,904 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,337 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,592 |
| German-Speaking Countries | 0 | - | 4.91 | 145,369 |
| Italian Name Translation | 0 | - | 4.82 | 46,411 |
| French-Speaking Countries | 0 | - | 4.85 | 270,255 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,291 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,901 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,726 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,436 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,056 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,125 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,248 |
| African Island Countries | 0 | - | 4.96 | 101,473 |
| Provinces of South Africa | 0 | - | 4.74 | 21,648 |
| Australian States and Territories | 0 | - | 4.96 | 141,749 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,241 |
| Australia True or False | 0 | - | 4.87 | 56,791 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,532 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,118 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,453 |
| North America Map Quiz | 0 | - | 4.98 | 247,854 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,698 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,809 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,368 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,476 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,020 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,261 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,029 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,278 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,047 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,851 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,850 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,059 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,801 |
| Slavic Countries | 0 | - | 4.96 | 111,521 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,299 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,900 |
| Languages of Spain | 0 | - | 4.36 | 23,294 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,114 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,574 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,003 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,848 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,699 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,328 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,068 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,781 |
| Countries of the Middle East | 0 | - | 4.96 | 200,827 |
| English Speaking Countries | 0 | - | 4.64 | 357,133 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,665 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,587 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,425 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,008 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,628 |
| Australia Country Quiz | 0 | - | 4.43 | 69,538 |
| Flags of North and South America | 0 | - | 4.99 | 372,164 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,722 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,027 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,588 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,352 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,759 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,695 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,417 |
| Counties of England | 0 | - | 4.97 | 795,153 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,743 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,780 |
| Places in their Native Language #2 | 0 | - | 4.79 | 133,957 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,662 |
| States of India | 0 | - | 4.95 | 192,762 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,683 |
| African Geography A-Z | 0 | - | 4.33 | 21,469 |
| The Only African Country ... | 0 | - | 4.99 | 128,978 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,073 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,702 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,034 |
| Flags of Oceania | 0 | - | 5.00 | 258,348 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,272 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,247 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,480 |
| Regions of New Zealand | 0 | - | 4.85 | 28,464 |
| The Only American Country ... | 0 | - | 4.92 | 121,441 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,971 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,529 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,614 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,745 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,567 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,918 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,379 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,230 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,362 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,793 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,839 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,961 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,710 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,300 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,989 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,954 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,550 |
| Monarchies of Europe | 0 | - | 4.90 | 97,988 |
| European Countries with One Border | 0 | - | 4.97 | 182,557 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,365 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,052 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,944 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,757 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,541 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,764 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,215 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,587 |
| States of Germany | 0 | - | 4.96 | 152,035 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,916 |
| Regions of Italy | 0 | - | 4.92 | 75,638 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,967 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,704 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,075 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,099 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,887 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,082 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,665 |
| Champions League Winners | 0 | - | 4.92 | 1,004,409 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,425 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,812 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,099 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,410 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,034 |
| Monarchies of Asia | 0 | - | 4.97 | 71,002 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,792 |
| Provinces of Turkey | 0 | - | 4.95 | 203,745 |
| Provinces of China | 0 | - | 4.97 | 203,678 |
| Japanese Prefectures | 0 | - | 4.98 | 136,527 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,784 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,734 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,650 |
| States of India Map Quiz | 0 | - | 4.83 | 26,426 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,143 |
