| African Countries by First 2 Letters | 0 | - | 4.96 | 268,729 |
| African East Coast | 0 | - | 4.96 | 96,371 |
| Australia True or False | 0 | - | 4.87 | 56,986 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,515 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,596 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,023 |
| 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 | 17,726 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,429 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,400 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,670 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,812 |
| African Great Lakes | 0 | - | 4.82 | 66,592 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,696 |
| Provinces of South Africa | 0 | - | 4.74 | 21,812 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,889 |
| Word Chain - Africa | 0 | - | 4.47 | 31,661 |
| Lesotho Country Quiz | 0 | - | 4.83 | 20,636 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,789 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,922 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,028 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,842 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,756 |
| 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 | 69,386 |
| Official European Union Languages | 0 | - | 4.97 | 239,053 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,217 |
| Europe Map Quiz | 0 | - | 5.00 | 4,773,890 |
| Germany True or False? | 0 | - | 4.61 | 48,915 |
| Famous People from Africa | 0 | - | 4.45 | 10,972 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,019 |
| "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 | 655,389 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,445 |
| France Multiple Choice | 0 | - | 4.39 | 40,778 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,011 |
| Asia Map Quiz | 0 | - | 4.99 | 920,444 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,780 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,027 |
| Australia Map Quiz | 0 | - | 4.95 | 345,362 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,569 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,973 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,762 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,771 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,263 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,144 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,862 |
| The Only European Country ... | 0 | - | 4.91 | 217,656 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,747 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,937 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,412 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,216 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,831 |
| Countries of Africa | 0 | - | 5.00 | 2,547,211 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,177 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,779 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,220 |
| 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 | 374,735 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,746 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,452 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,198 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,310 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,654 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,656 |
| North America Map Quiz | 0 | - | 4.98 | 249,721 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,829 |
| Canada Provinces and Territories | 0 | - | 5.00 | 344,089 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,110 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,350 |
| 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 | 1,250,036 |
| Celtic Nations | 0 | - | 4.69 | 47,007 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,608 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,028 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,534 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,627 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,443 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,689 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,609 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,732 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,767 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,668 |
| 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 | 32,244 |
| Counties of England | 0 | - | 4.97 | 799,645 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,666 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,576 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,467 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,101 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,422 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,292 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,331 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,870 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,708 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,931 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,231 |
| Countries of the Middle East | 0 | - | 4.96 | 201,831 |
| 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 | 99,230 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,924 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,475 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,855 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,561 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,487 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,969 |
| African Island Countries | 0 | - | 4.96 | 101,946 |
| Flags of Oceania | 0 | - | 5.00 | 260,902 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,464 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,952 |
| Australia Country Quiz | 0 | - | 4.43 | 69,695 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,749 |
| Regions of New Zealand | 0 | - | 4.84 | 28,610 |
| The Only American Country ... | 0 | - | 4.92 | 121,870 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,337 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,133 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,292 |
| 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 | 64,471 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,648 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,820 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,654 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,482 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,069 |
| US States Quiz | 0 | - | 5.00 | 16,930,231 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,262 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,127 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,110 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,950 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,833 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,449 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,619 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,061 |
| Monarchies of Europe | 0 | - | 4.90 | 98,429 |
| European Countries with One Border | 0 | - | 4.97 | 183,227 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,996 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,390 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,839 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,410 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,426 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,232 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,174 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,952 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,303 |
| States of Germany | 0 | - | 4.95 | 153,483 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,343 |
| Regions of Italy | 0 | - | 4.92 | 76,393 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,496 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,610 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,465 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,411 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,221 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,332 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,769 |
| Champions League Winners | 0 | - | 4.92 | 1,010,704 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,759 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,341 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,636 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,658 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,451 |
| Monarchies of Asia | 0 | - | 4.97 | 71,281 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,069 |
| Provinces of Turkey | 0 | - | 4.94 | 204,853 |
| Provinces of China | 0 | - | 4.97 | 205,987 |
| Japanese Prefectures | 0 | - | 4.98 | 137,949 |
| States of India | 0 | - | 4.95 | 194,514 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,926 |
| African Geography A-Z | 0 | - | 4.33 | 21,503 |
| The Only African Country ... | 0 | - | 4.99 | 129,329 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,239 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,125 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,463 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 40,970 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,643 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,813 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,262 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,620 |
| 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 | 39,462 |
| Gabon Country Quiz | 0 | - | 4.83 | 18,601 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,654 |
| Palau Country Quiz | 0 | - | 4.90 | 23,069 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,718 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,327 |
