| Uruguay Country Quiz | 0 | - | 4.84 | 31,719 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,905 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,359 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,086 |
| Australian Capitals | 0 | - | 4.92 | 62,810 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,583 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,597 |
| Official European Union Languages | 0 | - | 4.97 | 239,490 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,488 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,717 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,168 |
| Celtic Nations | 0 | - | 4.61 | 47,068 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,332 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,287 |
| Asia Map Quiz | 0 | - | 4.99 | 923,449 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,426 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,308 |
| New World Crops | 0 | - | 4.38 | 30,939 |
| 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 | 213,538 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,850 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,379 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,239 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,803 |
| The Only European Country ... | 0 | - | 4.91 | 218,476 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,219 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,009 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,721 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,665 |
| African East Coast | 0 | - | 4.96 | 96,598 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,443 |
| Australia Map Quiz | 0 | - | 4.95 | 345,856 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,812 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,406 |
| Countries of Africa | 0 | - | 5.00 | 2,553,947 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,477 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,297 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,926 |
| Australian States and Territories | 0 | - | 4.96 | 142,669 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,453 |
| Australia Country Quiz | 0 | - | 4.43 | 69,787 |
| Australia True or False | 0 | - | 4.87 | 57,085 |
| Flags of North and South America | 0 | - | 4.99 | 376,019 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,880 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,662 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,453 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,541 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,312 |
| North America Map Quiz | 0 | - | 4.98 | 250,977 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,931 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,340 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,354 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,479 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,105 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,393 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,035 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,323 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,866 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,328 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,632 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,906 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,701 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,296 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,107 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,978 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,660 |
| Slavic Countries | 0 | - | 4.96 | 112,214 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,635 |
| Counties of England | 0 | - | 4.97 | 801,537 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,528 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,646 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,399 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,744 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,020 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,614 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,149 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,916 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,309 |
| Countries of the Middle East | 0 | - | 4.96 | 202,333 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,690 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,414 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,051 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,127 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,332 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,110 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,995 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,378 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,986 |
| African Island Countries | 0 | - | 4.96 | 102,284 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,354 |
| Flags of Oceania | 0 | - | 5.00 | 261,983 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,618 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,345 |
| Regions of New Zealand | 0 | - | 4.84 | 28,680 |
| The Only American Country ... | 0 | - | 4.92 | 122,080 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,534 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,764 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,658 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,042 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,751 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,786 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,635 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,823 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,397 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,832 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,184 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,404 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,590 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,359 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,269 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,271 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,645 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,315 |
| Monarchies of Europe | 0 | - | 4.90 | 98,692 |
| European Countries with One Border | 0 | - | 4.97 | 183,547 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,302 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,129 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,030 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,353 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,399 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,597 |
| States of Germany | 0 | - | 4.95 | 154,087 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,569 |
| Regions of Italy | 0 | - | 4.92 | 76,764 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,677 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,070 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,634 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,402 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,724 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,815 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,895 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,643 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,928 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,108 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,650 |
| Monarchies of Asia | 0 | - | 4.97 | 71,414 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,206 |
| Provinces of Turkey | 0 | - | 4.94 | 205,473 |
| Provinces of China | 0 | - | 4.97 | 207,188 |
| Japanese Prefectures | 0 | - | 4.98 | 138,556 |
| States of India | 0 | - | 4.95 | 195,323 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,515 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,211 |
| The Only African Country ... | 0 | - | 4.99 | 129,537 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,327 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,758 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,314 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,895 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,664 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 59,360 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,353 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,355 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,348 |
| 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 | 142,167 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,335 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,574 |
| Slavic Languages | 0 | - | 4.67 | 54,628 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,710 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,594 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,015 |
| Champions League Winners | 0 | - | 4.92 | 1,013,800 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,637 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,745 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,205 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,429 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 46,058 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,115 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,763 |
| Word Chain - Africa | 0 | - | 4.47 | 31,692 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,751 |
| Palau Country Quiz | 0 | - | 4.90 | 23,110 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,830 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,496 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,482 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,526 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,924 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,595 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,664 |
| States of Mexico | 0 | - | 4.96 | 177,730 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,472 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,343 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,594 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,467 |
| States of Brazil | 0 | - | 4.97 | 89,308 |
| Central American Countries | 0 | - | 4.98 | 157,146 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,170 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,953 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,363 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,198 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,330 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,914 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,053 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,616 |
| US States Quiz | 0 | - | 5.00 | 16,967,411 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,329 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,151 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,359 |
