| European Countries by First 2 Letters | 0 | - | 4.95 | 526,324 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,353 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,518 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,093 |
| Australian Capitals | 0 | - | 4.92 | 62,593 |
| Canada Multiple Choice Quiz | 0 | - | 4.53 | 48,891 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,577 |
| Official European Union Languages | 0 | - | 4.97 | 236,513 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,699 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,028 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,210 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,266 |
| Celtic Nations | 0 | - | 4.69 | 46,812 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,184 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,405 |
| Asia Map Quiz | 0 | - | 4.99 | 906,955 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,808 |
| African East Coast | 0 | - | 4.96 | 95,040 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,921 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,787 |
| New World Crops | 0 | - | 4.33 | 23,502 |
| North American Physical Geography | 0 | - | 4.35 | 30,354 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,406 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,124 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,200 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,964 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,536 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,539 |
| The Only European Country ... | 0 | - | 4.91 | 213,809 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,522 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,566 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,458 |
| Countries of Africa | 0 | - | 5.00 | 2,507,629 |
| Australia Map Quiz | 0 | - | 4.94 | 342,459 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,296 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,876 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,157 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,728 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,238 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,432 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,273 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,615 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,564 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,262 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,502 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,099 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,436 |
| African Island Countries | 0 | - | 4.96 | 100,781 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,643 |
| Australian States and Territories | 0 | - | 4.95 | 140,807 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,017 |
| Australia Country Quiz | 0 | - | 4.43 | 69,278 |
| Australia True or False | 0 | - | 4.87 | 56,499 |
| Flags of North and South America | 0 | - | 4.99 | 367,141 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,150 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,157 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,218 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,148 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,573 |
| North America Map Quiz | 0 | - | 4.98 | 244,415 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,375 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,868 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,922 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,607 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,496 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,485 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,696 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,710 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,283 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,300 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,462 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,845 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,142 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,815 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,862 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,250 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,194 |
| Slavic Countries | 0 | - | 4.96 | 110,850 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,046 |
| Counties of England | 0 | - | 4.97 | 789,125 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,487 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,342 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,755 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,401 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,234 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,699 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,478 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,677 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,761 |
| Countries of the Middle East | 0 | - | 4.96 | 198,897 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,242 |
| States of India | 0 | - | 4.94 | 190,026 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,000 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,246 |
| The Only African Country ... | 0 | - | 4.99 | 128,355 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,775 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,063 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,327 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,103 |
| Flags of Oceania | 0 | - | 5.00 | 255,166 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,912 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,415 |
| Regions of New Zealand | 0 | - | 4.85 | 28,127 |
| The Only American Country ... | 0 | - | 4.92 | 120,753 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,334 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,600 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,949 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,895 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,966 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,951 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,320 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,862 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,291 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,059 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,490 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,363 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,327 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,034 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,381 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,846 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,212 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,799 |
| Monarchies of Europe | 0 | - | 4.90 | 97,305 |
| European Countries with One Border | 0 | - | 4.97 | 181,613 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,516 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,939 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,961 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,190 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,112 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,676 |
| States of Germany | 0 | - | 4.96 | 150,027 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,007 |
| Regions of Italy | 0 | - | 4.92 | 74,706 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,805 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,321 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,140 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,906 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,072 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,405 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,994 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,029 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,356 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,748 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,403 |
| Monarchies of Asia | 0 | - | 4.97 | 70,595 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,430 |
| Provinces of Turkey | 0 | - | 4.95 | 200,986 |
| Provinces of China | 0 | - | 4.97 | 200,101 |
| Japanese Prefectures | 0 | - | 4.98 | 134,560 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,014 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,770 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,087 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,448 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,598 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,981 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,032 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,780 |
| Slavic Languages | 0 | - | 4.67 | 53,979 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,428 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,244 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,117 |
| Champions League Winners | 0 | - | 4.92 | 996,272 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,425 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,153 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,157 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 273,109 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,461 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,259 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,452 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,207 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,886 |
| States of India Map Quiz | 0 | - | 4.82 | 26,036 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,773 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,327 |
| African Great Lakes | 0 | - | 4.82 | 65,149 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,857 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,359 |
| Name a Valid African Country | 0 | - | 4.98 | 152,932 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,481 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,815 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,034 |
| Palau Country Quiz | 0 | - | 4.89 | 22,838 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,213 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,486 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,194 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,294 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,347 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,082 |
| States of Mexico | 0 | - | 4.95 | 173,330 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,784 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,153 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,954 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,380 |
| States of Brazil | 0 | - | 4.98 | 86,378 |
| Central American Countries | 0 | - | 4.98 | 155,033 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,879 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,911 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,656 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,142 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,888 |
