| Australia... or New Zealand? | 0 | - | 4.83 | 61,119 |
| Regions of New Zealand | 0 | - | 4.85 | 28,242 |
| Australian Capitals | 0 | - | 4.92 | 62,601 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,661 |
| Official European Union Languages | 0 | - | 4.97 | 237,115 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,957 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,665 |
| Australia True or False | 0 | - | 4.87 | 56,548 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,413 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,701 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,783 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,276 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,960 |
| Australia Country Quiz | 0 | - | 4.43 | 69,332 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,671 |
| Slavic Languages | 0 | - | 4.67 | 54,028 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,444 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,701 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,086 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,242 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,284 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,401 |
| Top World Languages | 0 | - | 4.92 | 814,097 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,899 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,760 |
| Europe Map Quiz | 0 | - | 5.00 | 4,734,908 |
| Countries by Official Language | 0 | - | 4.95 | 192,937 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,635 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,048 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,356 |
| Countries in their Native Language | 0 | - | 4.99 | 196,788 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,951 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,823 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,051 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,129 |
| Word Chain - Australia | 0 | - | 4.37 | 38,026 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,563 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,742 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,899 |
| Asia Map Quiz | 0 | - | 4.99 | 907,970 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,619 |
| Countries of Africa | 0 | - | 5.00 | 2,511,190 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,913 |
| African East Coast | 0 | - | 4.96 | 95,163 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,036 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,987 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,927 |
| Australia Map Quiz | 0 | - | 4.94 | 342,700 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,633 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,372 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,320 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,255 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,572 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,579 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,752 |
| The Only European Country ... | 0 | - | 4.91 | 214,157 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,765 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,594 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,606 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,781 |
| Spanish to English Country Names | 0 | - | 4.85 | 32,173 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,741 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,351 |
| German-Speaking Countries | 0 | - | 4.89 | 123,553 |
| Italian Name Translation | 0 | - | 4.81 | 45,231 |
| French-Speaking Countries | 0 | - | 4.85 | 269,030 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,103 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,479 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,265 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,769 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,656 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,386 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,580 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,297 |
| African Island Countries | 0 | - | 4.96 | 100,886 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,867 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,637 |
| Australian States and Territories | 0 | - | 4.96 | 141,012 |
| Famous Australians by Description | 0 | - | 4.23 | 27,677 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,044 |
| Australian Slang | 0 | - | 4.25 | 28,496 |
| Flags of North and South America | 0 | - | 4.99 | 368,132 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,204 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,252 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,368 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,015 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,195 |
| North America Map Quiz | 0 | - | 4.98 | 244,917 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,436 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,449 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,547 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,254 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,783 |
| Celtic Nations | 0 | - | 4.69 | 46,834 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,870 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,812 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,405 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,611 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,563 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,929 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,100 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,318 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,771 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,385 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,295 |
| Slavic Countries | 0 | - | 4.96 | 110,957 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,075 |
| Languages of Spain | 0 | - | 4.36 | 23,164 |
| Counties of England | 0 | - | 4.97 | 790,051 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,478 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,422 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,896 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,500 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,345 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,887 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,613 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,976 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,246 |
| Countries of the Middle East | 0 | - | 4.96 | 199,166 |
| English Speaking Countries | 0 | - | 4.64 | 356,176 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,184 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,306 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,895 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,369 |
| States of India | 0 | - | 4.94 | 190,618 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,203 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,028 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,294 |
| The Only African Country ... | 0 | - | 4.98 | 128,433 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,815 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,165 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,545 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,393 |
| Flags of Oceania | 0 | - | 5.00 | 255,733 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,518 |
| The Only American Country ... | 0 | - | 4.92 | 120,855 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,426 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,381 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,040 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,097 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,962 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,115 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,021 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,462 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,944 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,147 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,553 |
| US States Quiz | 0 | - | 5.00 | 16,721,708 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,434 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,439 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,111 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,525 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,030 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,310 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,190 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,910 |
| Monarchies of Europe | 0 | - | 4.90 | 97,415 |
| European Countries with One Border | 0 | - | 4.97 | 181,754 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,652 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,389 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,077 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,386 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,281 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,342 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,842 |
| States of Germany | 0 | - | 4.96 | 150,368 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,126 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,589 |
| Regions of Italy | 0 | - | 4.92 | 74,858 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,913 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,511 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,407 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,463 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,120 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,259 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,561 |
| Champions League Winners | 0 | - | 4.92 | 997,491 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,070 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,165 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,468 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,018 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,522 |
| Monarchies of Asia | 0 | - | 4.97 | 70,656 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,474 |
| Provinces of Turkey | 0 | - | 4.95 | 201,826 |
| Provinces of China | 0 | - | 4.97 | 200,619 |
| Japanese Prefectures | 0 | - | 4.98 | 134,878 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,322 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,907 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,291 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,022 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,756 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,840 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 34,764 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,062 |
| States of India Map Quiz | 0 | - | 4.82 | 26,091 |
| Countries Bordering India | 0 | - | 4.98 | 162,660 |
| Countries Closest to India | 0 | - | 4.97 | 102,257 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,817 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,400 |
