| Uruguay Country Quiz | 0 | - | 4.84 | 31,719 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,933 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,372 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,103 |
| Australian Capitals | 0 | - | 4.92 | 62,811 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,585 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,605 |
| Official European Union Languages | 0 | - | 4.97 | 239,510 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,498 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,931 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,246 |
| Celtic Nations | 0 | - | 4.61 | 47,070 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,355 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,328 |
| Asia Map Quiz | 0 | - | 4.99 | 923,533 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,514 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,320 |
| New World Crops | 0 | - | 4.38 | 30,940 |
| North American Physical Geography | 0 | - | 4.35 | 30,451 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,468 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,558 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,854 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,398 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,240 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,811 |
| The Only European Country ... | 0 | - | 4.91 | 218,497 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,229 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,010 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,734 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,672 |
| African East Coast | 0 | - | 4.96 | 96,601 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,447 |
| Australia Map Quiz | 0 | - | 4.95 | 345,863 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,838 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,459 |
| Countries of Africa | 0 | - | 5.00 | 2,554,156 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,478 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,444 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,927 |
| Australian States and Territories | 0 | - | 4.96 | 142,678 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,453 |
| Australia Country Quiz | 0 | - | 4.43 | 69,787 |
| Australia True or False | 0 | - | 4.87 | 57,087 |
| Flags of North and South America | 0 | - | 4.99 | 376,092 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,883 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,666 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,460 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,633 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,412 |
| North America Map Quiz | 0 | - | 4.98 | 251,016 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,935 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,390 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,393 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,479 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,108 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,555 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,078 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,333 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,875 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,346 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,639 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,913 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,702 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,303 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,137 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,987 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,667 |
| Slavic Countries | 0 | - | 4.96 | 112,220 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,637 |
| Counties of England | 0 | - | 4.97 | 801,597 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,617 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,657 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,401 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,754 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,025 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,626 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,158 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,928 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,323 |
| Countries of the Middle East | 0 | - | 4.96 | 202,348 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,693 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,416 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,113 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,133 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,336 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,119 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,999 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,391 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,000 |
| African Island Countries | 0 | - | 4.96 | 102,291 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,362 |
| Flags of Oceania | 0 | - | 5.00 | 262,025 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,623 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,347 |
| Regions of New Zealand | 0 | - | 4.84 | 28,682 |
| The Only American Country ... | 0 | - | 4.92 | 122,085 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,544 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,765 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,672 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,053 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,761 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,791 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,643 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,832 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,399 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,840 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,190 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,408 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,596 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,365 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,278 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,288 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,650 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,324 |
| Monarchies of Europe | 0 | - | 4.90 | 98,701 |
| European Countries with One Border | 0 | - | 4.97 | 183,551 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,313 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,140 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,061 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,360 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,419 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,603 |
| States of Germany | 0 | - | 4.95 | 154,108 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,574 |
| Regions of Italy | 0 | - | 4.92 | 76,777 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,683 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,094 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,634 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,411 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,735 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,816 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,897 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,648 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,937 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,131 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,660 |
| Monarchies of Asia | 0 | - | 4.97 | 71,418 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,209 |
| Provinces of Turkey | 0 | - | 4.94 | 205,483 |
| Provinces of China | 0 | - | 4.97 | 207,223 |
| Japanese Prefectures | 0 | - | 4.98 | 138,592 |
| States of India | 0 | - | 4.95 | 195,355 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,519 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,215 |
| The Only African Country ... | 0 | - | 4.99 | 129,545 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,329 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,777 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,324 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,919 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,671 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 59,387 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,356 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,387 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,350 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,711 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,708 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,172 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,353 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,575 |
| Slavic Languages | 0 | - | 4.67 | 54,628 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,710 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,595 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,035 |
| Champions League Winners | 0 | - | 4.92 | 1,013,924 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,639 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,747 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,210 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,446 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 46,060 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,118 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,765 |
| Word Chain - Africa | 0 | - | 4.47 | 31,695 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,754 |
| Palau Country Quiz | 0 | - | 4.90 | 23,111 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,831 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,499 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,551 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,528 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,924 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,598 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,675 |
| States of Mexico | 0 | - | 4.96 | 177,762 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,474 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,348 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,608 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,469 |
| States of Brazil | 0 | - | 4.97 | 89,338 |
| Central American Countries | 0 | - | 4.98 | 157,162 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,174 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,968 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,366 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,206 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,335 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,935 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,054 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,621 |
| US States Quiz | 0 | - | 5.00 | 16,968,678 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,346 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,163 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,366 |
