| African Countries by First 2 Letters | 0 | - | 4.96 | 268,729 |
| African East Coast | 0 | - | 4.96 | 96,369 |
| Australia True or False | 0 | - | 4.87 | 56,985 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,515 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,595 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,019 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,465 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,197 |
| Geography of South Africa | 0 | - | 4.54 | 17,279 |
| History of South Africa | 0 | - | 4.60 | 17,725 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,427 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,394 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,664 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,811 |
| African Great Lakes | 0 | - | 4.82 | 66,592 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,693 |
| Provinces of South Africa | 0 | - | 4.74 | 21,809 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,884 |
| Word Chain - Africa | 0 | - | 4.47 | 31,661 |
| Lesotho Country Quiz | 0 | - | 4.83 | 20,635 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,789 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,919 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,028 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,841 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,754 |
| African Physical Geography | 0 | - | 4.51 | 31,755 |
| Africa A-Z | 0 | - | 4.57 | 46,699 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,842 |
| Australian Capitals | 0 | - | 4.92 | 62,772 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,385 |
| Official European Union Languages | 0 | - | 4.97 | 239,052 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,212 |
| Europe Map Quiz | 0 | - | 5.00 | 4,773,827 |
| Germany True or False? | 0 | - | 4.61 | 48,914 |
| Famous People from Africa | 0 | - | 4.45 | 10,972 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,018 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,428 |
| Four Letter African Geography | 0 | - | 4.67 | 19,525 |
| Oceania Map Quiz | 0 | - | 4.98 | 655,364 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,441 |
| France Multiple Choice | 0 | - | 4.39 | 40,778 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,007 |
| Asia Map Quiz | 0 | - | 4.99 | 920,422 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,768 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,024 |
| Australia Map Quiz | 0 | - | 4.95 | 345,361 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,545 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,968 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,762 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,768 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,258 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,142 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,857 |
| The Only European Country ... | 0 | - | 4.91 | 217,653 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,746 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,937 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,411 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,208 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,830 |
| Countries of Africa | 0 | - | 5.00 | 2,547,157 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,175 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,779 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,218 |
| Malawi Country Quiz | 0 | - | 4.58 | 20,055 |
| Mozambique Country Quiz | 0 | - | 4.46 | 22,230 |
| Namibia Country Quiz | 0 | - | 4.70 | 23,276 |
| Australian States and Territories | 0 | - | 4.96 | 142,339 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,381 |
| Flags of North and South America | 0 | - | 4.99 | 374,732 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,746 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,451 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,196 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,301 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,654 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,644 |
| North America Map Quiz | 0 | - | 4.98 | 249,718 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,829 |
| Canada Provinces and Territories | 0 | - | 5.00 | 344,068 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,093 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,346 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,994 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,441 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,015 |
| Celtic Nations | 0 | - | 4.69 | 47,006 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,596 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,027 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,531 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,622 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,442 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,688 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,609 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,721 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,764 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,666 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,485 |
| Slavic Countries | 0 | - | 4.96 | 111,973 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,243 |
| Counties of England | 0 | - | 4.97 | 799,632 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,655 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,554 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,465 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,099 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,421 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,292 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,329 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,870 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,707 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,928 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,231 |
| Countries of the Middle East | 0 | - | 4.96 | 201,827 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,623 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,832 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,227 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,884 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,472 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,854 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,557 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,487 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,966 |
| African Island Countries | 0 | - | 4.96 | 101,946 |
| Flags of Oceania | 0 | - | 5.00 | 260,891 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,464 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,936 |
| Australia Country Quiz | 0 | - | 4.43 | 69,695 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,748 |
| Regions of New Zealand | 0 | - | 4.84 | 28,610 |
| The Only American Country ... | 0 | - | 4.92 | 121,869 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,336 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,131 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,288 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,912 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,469 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,647 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,819 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,654 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,480 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,069 |
| US States Quiz | 0 | - | 5.00 | 16,930,000 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,261 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,114 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,106 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,949 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,831 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,448 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,616 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,059 |
| Monarchies of Europe | 0 | - | 4.90 | 98,428 |
| European Countries with One Border | 0 | - | 4.97 | 183,227 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,995 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,378 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,833 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,409 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,423 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,226 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,173 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,951 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,301 |
| States of Germany | 0 | - | 4.95 | 153,472 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,340 |
| Regions of Italy | 0 | - | 4.92 | 76,392 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,490 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,607 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,464 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,402 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,219 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,329 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,768 |
| Champions League Winners | 0 | - | 4.92 | 1,010,687 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,759 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,340 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,634 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,657 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,450 |
| Monarchies of Asia | 0 | - | 4.97 | 71,281 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,069 |
| Provinces of Turkey | 0 | - | 4.94 | 204,850 |
| Provinces of China | 0 | - | 4.97 | 205,983 |
| Japanese Prefectures | 0 | - | 4.98 | 137,947 |
| States of India | 0 | - | 4.95 | 194,500 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,924 |
| African Geography A-Z | 0 | - | 4.33 | 21,503 |
| The Only African Country ... | 0 | - | 4.99 | 129,328 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,239 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,124 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,463 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 40,966 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,643 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,810 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,262 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,619 |
| Eswatini Country Quiz | 0 | - | 4.85 | 20,866 |
| Botswana Country Quiz | 0 | - | 4.90 | 22,576 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,836 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,033 |
| D.R. Congo Country Quiz | 0 | - | 4.88 | 39,461 |
| Gabon Country Quiz | 0 | - | 4.83 | 18,601 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,653 |
| Palau Country Quiz | 0 | - | 4.90 | 23,068 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,718 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,327 |
