| Australia... or New Zealand? | 0 | - | 4.83 | 61,715 |
| Regions of New Zealand | 0 | - | 4.84 | 28,593 |
| Australian Capitals | 0 | - | 4.92 | 62,756 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,341 |
| Official European Union Languages | 0 | - | 4.97 | 238,947 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,150 |
| Australia True or False | 0 | - | 4.87 | 56,958 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,812 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,318 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,661 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,599 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,478 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,439 |
| Australia Country Quiz | 0 | - | 4.43 | 69,673 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,663 |
| Slavic Languages | 0 | - | 4.68 | 54,472 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,583 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,871 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,367 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,722 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,618 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,588 |
| Top World Languages | 0 | - | 4.92 | 824,662 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,268 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,117 |
| Europe Map Quiz | 0 | - | 5.00 | 4,771,817 |
| Countries by Official Language | 0 | - | 4.95 | 195,308 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,397 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,455 |
| Countries in their Native Language | 0 | - | 4.99 | 199,096 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,144 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,186 |
| Oceania Map Quiz | 0 | - | 4.98 | 653,695 |
| Word Chain - Australia | 0 | - | 4.38 | 38,172 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,114 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,951 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,790 |
| Asia Map Quiz | 0 | - | 4.99 | 919,867 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,182 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,044 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,077 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,956 |
| Australia Map Quiz | 0 | - | 4.95 | 345,229 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,801 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,842 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,744 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,619 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,084 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,118 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,718 |
| The Only European Country ... | 0 | - | 4.91 | 217,445 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,612 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,917 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,323 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,961 |
| Countries of Africa | 0 | - | 5.00 | 2,545,506 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,124 |
| African East Coast | 0 | - | 4.96 | 96,302 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,168 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,493 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,775 |
| German-Speaking Countries | 0 | - | 4.91 | 145,765 |
| Italian Name Translation | 0 | - | 4.83 | 47,264 |
| French-Speaking Countries | 0 | - | 4.85 | 270,916 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,386 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,700 |
| Australian States and Territories | 0 | - | 4.96 | 142,256 |
| Famous Australians by Description | 0 | - | 4.23 | 28,012 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,369 |
| Australian Slang | 0 | - | 4.24 | 28,656 |
| Flags of North and South America | 0 | - | 4.99 | 374,423 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,722 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,414 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,130 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,913 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,643 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,025 |
| North America Map Quiz | 0 | - | 4.98 | 249,538 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,753 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,782 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,967 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,432 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,248,896 |
| Celtic Nations | 0 | - | 4.69 | 46,997 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,920 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,951 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,456 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,427 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,369 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,543 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,346 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,156 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,669 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,581 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,427 |
| Slavic Countries | 0 | - | 4.96 | 111,901 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,481 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,204 |
| Languages of Spain | 0 | - | 4.36 | 23,353 |
| Counties of England | 0 | - | 4.97 | 799,029 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,018 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,418 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,050 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,384 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,237 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,257 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,811 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,798 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,137 |
| Countries of the Middle East | 0 | - | 4.96 | 201,729 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,418 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,109 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,340 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,390 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,806 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,500 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,447 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,867 |
| African Island Countries | 0 | - | 4.96 | 101,893 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,873 |
| English Speaking Countries | 0 | - | 4.64 | 357,658 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 70,009 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,746 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,783 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,434 |
| Flags of Oceania | 0 | - | 5.00 | 260,609 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,743 |
| The Only American Country ... | 0 | - | 4.92 | 121,832 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,288 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,989 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,221 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,862 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,422 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,621 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,766 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,623 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,422 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,037 |
| US States Quiz | 0 | - | 5.00 | 16,920,758 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,223 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,949 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,058 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,876 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,741 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,402 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,590 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,005 |
| Monarchies of Europe | 0 | - | 4.90 | 98,365 |
| European Countries with One Border | 0 | - | 4.97 | 183,139 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,912 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 86,887 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,769 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,055 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,112 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,876 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,233 |
| States of Germany | 0 | - | 4.95 | 153,246 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,300 |
| Regions of Italy | 0 | - | 4.92 | 76,269 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,441 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,434 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,425 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,213 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,170 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,203 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,757 |
| Champions League Winners | 0 | - | 4.92 | 1,010,040 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,727 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,282 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,571 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,523 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,399 |
| Monarchies of Asia | 0 | - | 4.97 | 71,232 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,034 |
| Provinces of Turkey | 0 | - | 4.94 | 204,693 |
| Provinces of China | 0 | - | 4.97 | 205,715 |
| Japanese Prefectures | 0 | - | 4.98 | 137,691 |
| States of India | 0 | - | 4.95 | 194,180 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,773 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,396 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,896 |
| The Only African Country ... | 0 | - | 4.99 | 129,287 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,216 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,082 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,247 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,410 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,466 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,553 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,861 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,329 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,598 |
| Eswatini Country Quiz | 0 | - | 4.85 | 20,863 |
| Botswana Country Quiz | 0 | - | 4.90 | 22,570 |
| Lesotho Country Quiz | 0 | - | 4.83 | 20,630 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,821 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 64,020 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,437 |
| Gabon Country Quiz | 0 | - | 4.83 | 18,597 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,637 |
| Palau Country Quiz | 0 | - | 4.90 | 23,059 |
