| Uruguay Country Quiz | 0 | - | 4.84 | 31,779 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,901 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,931 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,596 |
| Australian Capitals | 0 | - | 4.92 | 62,856 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,739 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,824 |
| Official European Union Languages | 0 | - | 4.97 | 240,138 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,777 |
| Europe Map Quiz | 0 | - | 5.00 | 4,791,971 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,061 |
| Celtic Nations | 0 | - | 4.61 | 47,123 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,272 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,184 |
| Asia Map Quiz | 0 | - | 4.99 | 926,346 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,308 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,568 |
| 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 | 214,241 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,970 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,128 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,367 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,416 |
| The Only European Country ... | 0 | - | 4.91 | 219,453 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,771 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,092 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,104 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,203 |
| African East Coast | 0 | - | 4.96 | 96,893 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,775 |
| Australia Map Quiz | 0 | - | 4.95 | 346,415 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,487 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,843 |
| Countries of Africa | 0 | - | 5.00 | 2,563,523 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,015 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 61,070 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,532 |
| Australian States and Territories | 0 | - | 4.96 | 142,998 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,535 |
| 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 | 377,829 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,062 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,957 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,822 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,041 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,878 |
| North America Map Quiz | 0 | - | 4.98 | 252,587 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,028 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,880 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,179 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,636 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,227 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,260,617 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,832 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,732 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,491 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,157 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,881 |
| 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 | 313,079 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,355 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,331 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,887 |
| Slavic Countries | 0 | - | 4.96 | 112,478 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,732 |
| Counties of England | 0 | - | 4.97 | 803,955 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,567 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,901 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,686 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,049 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,281 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,969 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,442 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,183 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,836 |
| Countries of the Middle East | 0 | - | 4.96 | 203,192 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,789 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,557 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,764 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,082 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,026 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,651 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,086 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,900 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,428 |
| African Island Countries | 0 | - | 4.96 | 102,697 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,805 |
| Flags of Oceania | 0 | - | 5.00 | 263,298 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,795 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,633 |
| Regions of New Zealand | 0 | - | 4.84 | 28,778 |
| The Only American Country ... | 0 | - | 4.92 | 122,315 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,750 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,798 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,922 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,283 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,260 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,940 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,934 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,034 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,414 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,145 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,313 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,588 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,075 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,953 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,683 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,778 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,864 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,588 |
| Monarchies of Europe | 0 | - | 4.90 | 98,997 |
| European Countries with One Border | 0 | - | 4.97 | 183,973 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,686 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,514 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,847 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,555 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,778 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,940 |
| States of Germany | 0 | - | 4.95 | 154,852 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,780 |
| Regions of Italy | 0 | - | 4.92 | 77,222 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,885 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,512 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,870 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,594 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,228 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,857 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,096 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,029 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,235 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,729 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,861 |
| Monarchies of Asia | 0 | - | 4.97 | 71,584 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,334 |
| Provinces of Turkey | 0 | - | 4.95 | 206,224 |
| Provinces of China | 0 | - | 4.97 | 208,582 |
| Japanese Prefectures | 0 | - | 4.98 | 139,307 |
| States of India | 0 | - | 4.94 | 196,338 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,610 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,540 |
| The Only African Country ... | 0 | - | 4.99 | 129,765 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,430 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,234 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,558 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,479 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,957 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 60,471 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,407 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,364 |
| 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 | 142,420 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 123,620 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,748 |
| Slavic Languages | 0 | - | 4.67 | 54,760 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,753 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,659 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,726 |
| Champions League Winners | 0 | - | 4.92 | 1,017,494 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,698 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,860 |
| Word Scramble - Asian Countries | 0 | - | 4.48 | 109,362 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,867 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 46,166 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,245 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,830 |
| 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 | 90,935 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,676 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,923 |
| 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 | 92,929 |
| States of Mexico | 0 | - | 4.96 | 178,581 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,752 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,588 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 54,990 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,700 |
| States of Brazil | 0 | - | 4.98 | 89,972 |
| Central American Countries | 0 | - | 4.98 | 157,492 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,673 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 150,948 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,563 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,515 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,691 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,892 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,142 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,799 |
| US States Quiz | 0 | - | 5.00 | 17,015,749 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,826 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,494 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,521 |
