| Uruguay Country Quiz | 0 | - | 4.84 | 31,780 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,912 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,935 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,599 |
| Australian Capitals | 0 | - | 4.92 | 62,856 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,741 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,829 |
| Official European Union Languages | 0 | - | 4.97 | 240,162 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,779 |
| Europe Map Quiz | 0 | - | 5.00 | 4,792,075 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,086 |
| Celtic Nations | 0 | - | 4.61 | 47,123 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,280 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,200 |
| Asia Map Quiz | 0 | - | 4.99 | 926,377 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,354 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,576 |
| New World Crops | 0 | - | 4.38 | 30,977 |
| North American Physical Geography | 0 | - | 4.35 | 30,469 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,496 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,247 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,971 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,133 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,367 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,420 |
| The Only European Country ... | 0 | - | 4.91 | 219,465 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,773 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,093 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,106 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,208 |
| African East Coast | 0 | - | 4.96 | 96,895 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,777 |
| Australia Map Quiz | 0 | - | 4.95 | 346,418 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,496 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,858 |
| Countries of Africa | 0 | - | 5.00 | 2,563,621 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,056 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 61,071 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,534 |
| Australian States and Territories | 0 | - | 4.96 | 143,000 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,536 |
| Australia Country Quiz | 0 | - | 4.43 | 69,880 |
| Australia True or False | 0 | - | 4.86 | 57,197 |
| Flags of North and South America | 0 | - | 4.99 | 377,858 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,064 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,957 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,823 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,072 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,911 |
| North America Map Quiz | 0 | - | 4.98 | 252,600 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,028 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,900 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,198 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,637 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,231 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,260,695 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,852 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,734 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,493 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,166 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,884 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,112 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,801 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,084 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,362 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,333 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,887 |
| Slavic Countries | 0 | - | 4.96 | 112,479 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,736 |
| Counties of England | 0 | - | 4.97 | 803,980 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,594 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,904 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,689 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,049 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,283 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,973 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,446 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,186 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,843 |
| Countries of the Middle East | 0 | - | 4.96 | 203,196 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,793 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,558 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,789 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,088 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,029 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,653 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,152 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,903 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,434 |
| African Island Countries | 0 | - | 4.96 | 102,701 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,810 |
| Flags of Oceania | 0 | - | 5.00 | 263,313 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,796 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,639 |
| Regions of New Zealand | 0 | - | 4.84 | 28,778 |
| The Only American Country ... | 0 | - | 4.92 | 122,324 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,752 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,798 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,927 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,286 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,267 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,943 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,938 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,037 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,414 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,149 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,314 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,591 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,077 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,956 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,689 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,788 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,865 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,589 |
| Monarchies of Europe | 0 | - | 4.90 | 98,999 |
| European Countries with One Border | 0 | - | 4.97 | 183,977 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,693 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,518 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,856 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,556 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,780 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,943 |
| States of Germany | 0 | - | 4.95 | 154,860 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,785 |
| Regions of Italy | 0 | - | 4.92 | 77,224 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,889 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,514 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,872 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,595 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,234 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,858 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,096 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,032 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,237 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,740 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,864 |
| Monarchies of Asia | 0 | - | 4.97 | 71,586 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,336 |
| Provinces of Turkey | 0 | - | 4.95 | 206,231 |
| Provinces of China | 0 | - | 4.97 | 208,617 |
| Japanese Prefectures | 0 | - | 4.98 | 139,311 |
| States of India | 0 | - | 4.94 | 196,350 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,611 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,542 |
| The Only African Country ... | 0 | - | 4.99 | 129,770 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,432 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,235 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,563 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,483 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,960 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 60,484 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,407 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,371 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,399 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,769 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,738 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,426 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 123,650 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,755 |
| Slavic Languages | 0 | - | 4.67 | 54,762 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,754 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,661 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,737 |
| Champions League Winners | 0 | - | 4.92 | 1,017,538 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,699 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,862 |
| Word Scramble - Asian Countries | 0 | - | 4.48 | 109,368 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,872 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 46,166 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,247 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,831 |
| Word Chain - Africa | 0 | - | 4.47 | 31,729 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,894 |
| Palau Country Quiz | 0 | - | 4.89 | 23,158 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,936 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,678 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,924 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,558 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,971 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,632 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,932 |
| States of Mexico | 0 | - | 4.96 | 178,594 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,754 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,590 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 54,997 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,703 |
| States of Brazil | 0 | - | 4.98 | 89,980 |
| Central American Countries | 0 | - | 4.98 | 157,495 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,675 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 150,951 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,566 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,522 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,694 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,908 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,142 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,800 |
| US States Quiz | 0 | - | 5.00 | 17,016,309 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,827 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,500 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,521 |
