| Australia... or New Zealand? | 0 | - | 4.83 | 61,204 |
| Regions of New Zealand | 0 | - | 4.85 | 28,300 |
| Australian Capitals | 0 | - | 4.92 | 62,618 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,752 |
| Official European Union Languages | 0 | - | 4.97 | 237,340 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,138 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,932 |
| Australia True or False | 0 | - | 4.87 | 56,603 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,468 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,785 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,886 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,311 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,061 |
| Australia Country Quiz | 0 | - | 4.43 | 69,374 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,069 |
| Slavic Languages | 0 | - | 4.68 | 54,086 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,465 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,913 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,534 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,409 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,845 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,805 |
| Top World Languages | 0 | - | 4.92 | 815,467 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,955 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,809 |
| Europe Map Quiz | 0 | - | 5.00 | 4,739,849 |
| Countries by Official Language | 0 | - | 4.95 | 193,185 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,839 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,162 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,723 |
| Countries in their Native Language | 0 | - | 4.99 | 197,021 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,182 |
| Africa Map Quiz | 0 | - | 5.00 | 2,107,837 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,087 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,120 |
| Word Chain - Australia | 0 | - | 4.37 | 38,045 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,959 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,775 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,745 |
| Asia Map Quiz | 0 | - | 4.99 | 909,123 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,710 |
| Countries of Africa | 0 | - | 5.00 | 2,515,388 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,065 |
| African East Coast | 0 | - | 4.96 | 95,321 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,201 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,001 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,053 |
| Australia Map Quiz | 0 | - | 4.94 | 342,930 |
| United States Map Quiz | 0 | - | 4.98 | 4,145,617 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,685 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,389 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,555 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,851 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,656 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,012 |
| The Only European Country ... | 0 | - | 4.91 | 214,618 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,008 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,628 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,946 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,377,929 |
| Spanish to English Country Names | 0 | - | 4.85 | 32,323 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,147 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,409 |
| German-Speaking Countries | 0 | - | 4.89 | 123,620 |
| Italian Name Translation | 0 | - | 4.81 | 45,595 |
| French-Speaking Countries | 0 | - | 4.85 | 269,289 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,147 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,552 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,298 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,961 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,769 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,519 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,694 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,485 |
| African Island Countries | 0 | - | 4.96 | 101,002 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,129 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,641 |
| Australian States and Territories | 0 | - | 4.96 | 141,178 |
| Famous Australians by Description | 0 | - | 4.23 | 27,726 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,085 |
| Australian Slang | 0 | - | 4.25 | 28,522 |
| Flags of North and South America | 0 | - | 4.99 | 368,997 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,298 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,379 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,596 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,030 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,015,063 |
| North America Map Quiz | 0 | - | 4.98 | 245,790 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,060 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,064 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,604 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,269 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,231,303 |
| Celtic Nations | 0 | - | 4.69 | 46,848 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,926 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,968 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,547 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,963 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,643 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,996 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,842 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,886 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,006 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,538 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,381 |
| Slavic Countries | 0 | - | 4.96 | 111,074 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,135 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,666 |
| Languages of Spain | 0 | - | 4.36 | 23,198 |
| Counties of England | 0 | - | 4.97 | 791,227 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,499 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,542 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,028 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,604 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,458 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,049 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,755 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,265 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,346 |
| Countries of the Middle East | 0 | - | 4.96 | 199,474 |
| English Speaking Countries | 0 | - | 4.64 | 356,367 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,279 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,379 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,007 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,499 |
| States of India | 0 | - | 4.94 | 191,099 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,273 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,062 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,359 |
| The Only African Country ... | 0 | - | 4.99 | 128,564 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,860 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,271 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,834 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,573 |
| Flags of Oceania | 0 | - | 5.00 | 256,220 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,651 |
| The Only American Country ... | 0 | - | 4.92 | 121,016 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,516 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,409 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,382 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,234 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,120 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,269 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,091 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,594 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,038 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,260 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,614 |
| US States Quiz | 0 | - | 5.00 | 16,746,419 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,599 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,528 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,214 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,688 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,232 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,430 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,234 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,056 |
| Monarchies of Europe | 0 | - | 4.90 | 97,549 |
| European Countries with One Border | 0 | - | 4.97 | 181,908 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,810 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,530 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,278 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,788 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,372 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,520 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,001 |
| States of Germany | 0 | - | 4.96 | 150,698 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,222 |
| Regions of Italy | 0 | - | 4.92 | 74,998 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,999 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,837 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,553 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,833 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,201 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,421 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,584 |
| Champions League Winners | 0 | - | 4.92 | 998,881 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,123 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,317 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,591 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,309 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,632 |
| Monarchies of Asia | 0 | - | 4.97 | 70,729 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,542 |
| Provinces of Turkey | 0 | - | 4.95 | 202,405 |
| Provinces of China | 0 | - | 4.97 | 201,216 |
| Japanese Prefectures | 0 | - | 4.98 | 135,234 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,411 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,106 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,396 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,139 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,844 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,921 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 35,293 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,085 |
| States of India Map Quiz | 0 | - | 4.82 | 26,156 |
| Countries Bordering India | 0 | - | 4.98 | 163,100 |
| Countries Closest to India | 0 | - | 4.97 | 102,364 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,893 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,456 |
