| Australia... or New Zealand? | 0 | - | 4.83 | 61,743 |
| Regions of New Zealand | 0 | - | 4.84 | 28,607 |
| Australian Capitals | 0 | - | 4.92 | 62,769 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,371 |
| Official European Union Languages | 0 | - | 4.97 | 239,024 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,196 |
| Australia True or False | 0 | - | 4.87 | 56,978 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,824 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,336 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,694 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,621 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,570 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,459 |
| Australia Country Quiz | 0 | - | 4.43 | 69,689 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,819 |
| Slavic Languages | 0 | - | 4.68 | 54,498 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,589 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,034 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,408 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,815 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,685 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,681 |
| Top World Languages | 0 | - | 4.92 | 825,180 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,282 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,133 |
| Europe Map Quiz | 0 | - | 5.00 | 4,773,427 |
| Countries by Official Language | 0 | - | 4.95 | 195,365 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,591 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,537 |
| Countries in their Native Language | 0 | - | 4.99 | 199,154 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,196 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,191 |
| Oceania Map Quiz | 0 | - | 4.98 | 655,021 |
| Word Chain - Australia | 0 | - | 4.38 | 38,177 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,375 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,966 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,967 |
| Asia Map Quiz | 0 | - | 4.99 | 920,313 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,204 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,582 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,083 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,014 |
| Australia Map Quiz | 0 | - | 4.95 | 345,341 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,395 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,929 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,760 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,714 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,208 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,134 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,820 |
| The Only European Country ... | 0 | - | 4.91 | 217,603 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,712 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,930 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,395 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,133 |
| Countries of Africa | 0 | - | 5.00 | 2,546,728 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,162 |
| African East Coast | 0 | - | 4.96 | 96,351 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,206 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,515 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,793 |
| German-Speaking Countries | 0 | - | 4.91 | 145,796 |
| Italian Name Translation | 0 | - | 4.83 | 47,336 |
| French-Speaking Countries | 0 | - | 4.85 | 271,004 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,432 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,702 |
| Australian States and Territories | 0 | - | 4.96 | 142,326 |
| Famous Australians by Description | 0 | - | 4.23 | 28,022 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,378 |
| Australian Slang | 0 | - | 4.24 | 28,662 |
| Flags of North and South America | 0 | - | 4.99 | 374,645 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,739 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,442 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,175 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,222 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,653 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,502 |
| North America Map Quiz | 0 | - | 4.98 | 249,647 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,998 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,043 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,989 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,438 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,249,740 |
| Celtic Nations | 0 | - | 4.69 | 47,006 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,423 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,998 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,505 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,559 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,416 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,670 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,581 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,567 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,733 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,650 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,474 |
| Slavic Countries | 0 | - | 4.96 | 111,956 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,509 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,234 |
| Languages of Spain | 0 | - | 4.36 | 23,360 |
| Counties of England | 0 | - | 4.97 | 799,464 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,423 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,453 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,093 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,408 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,285 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,309 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,856 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,897 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,213 |
| Countries of the Middle East | 0 | - | 4.96 | 201,802 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,435 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,151 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,688 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,448 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,839 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,545 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,472 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,938 |
| African Island Countries | 0 | - | 4.96 | 101,932 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,983 |
| English Speaking Countries | 0 | - | 4.64 | 357,714 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 70,052 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,767 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,810 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,459 |
| Flags of Oceania | 0 | - | 5.00 | 260,822 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,836 |
| The Only American Country ... | 0 | - | 4.92 | 121,858 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,324 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,098 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,279 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,904 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,462 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,642 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,805 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,651 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,470 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,064 |
| US States Quiz | 0 | - | 5.00 | 16,927,759 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,253 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,028 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,093 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,927 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,800 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,440 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,602 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,046 |
| Monarchies of Europe | 0 | - | 4.90 | 98,409 |
| European Countries with One Border | 0 | - | 4.97 | 183,202 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,978 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,307 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,815 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,195 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,153 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,930 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,280 |
| States of Germany | 0 | - | 4.95 | 153,407 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,326 |
| Regions of Italy | 0 | - | 4.92 | 76,346 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,475 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,574 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,458 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,363 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,206 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,310 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,765 |
| Champions League Winners | 0 | - | 4.92 | 1,010,519 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,752 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,327 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,624 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,615 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,432 |
| Monarchies of Asia | 0 | - | 4.97 | 71,270 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,058 |
| Provinces of Turkey | 0 | - | 4.94 | 204,808 |
| Provinces of China | 0 | - | 4.97 | 205,914 |
| Japanese Prefectures | 0 | - | 4.98 | 137,856 |
| States of India | 0 | - | 4.95 | 194,390 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,798 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,420 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,914 |
| The Only African Country ... | 0 | - | 4.99 | 129,313 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,228 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,113 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,360 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,445 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,600 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,621 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,887 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,382 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,611 |
| Eswatini Country Quiz | 0 | - | 4.85 | 20,864 |
| Botswana Country Quiz | 0 | - | 4.90 | 22,575 |
| Lesotho Country Quiz | 0 | - | 4.83 | 20,635 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,831 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,029 |
| D.R. Congo Country Quiz | 0 | - | 4.88 | 39,455 |
| Gabon Country Quiz | 0 | - | 4.83 | 18,599 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,650 |
| Palau Country Quiz | 0 | - | 4.90 | 23,064 |
