| Uruguay Country Quiz | 0 | - | 4.83 | 31,341 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,131 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,135 |
| North America Map Quiz | 0 | - | 4.98 | 244,273 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,367 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,582 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,864 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,223 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,449 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,008 |
| States of Mexico | 0 | - | 4.95 | 173,247 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,112 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,902 |
| States of Brazil | 0 | - | 4.98 | 86,311 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,054 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,598 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,577 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,549 |
| Canada Multiple Choice Quiz | 0 | - | 4.53 | 48,879 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,357 |
| Australian Capitals | 0 | - | 4.92 | 62,589 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,560 |
| Official European Union Languages | 0 | - | 4.97 | 236,460 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,659 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,823 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,709 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,995 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,420 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,058 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,318 |
| Asia Map Quiz | 0 | - | 4.99 | 906,631 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,754 |
| Native American Tribes in the US | 0 | - | 4.70 | 25,256 |
| Countries of Africa | 0 | - | 5.00 | 2,506,459 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,778 |
| African East Coast | 0 | - | 4.96 | 95,001 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,893 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,759 |
| Australia Map Quiz | 0 | - | 4.94 | 342,377 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,191 |
| New World Crops | 0 | - | 4.33 | 23,500 |
| North American Physical Geography | 0 | - | 4.35 | 30,352 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,404 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,026 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,178 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,883 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,217 |
| Celtic Nations | 0 | - | 4.69 | 46,806 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,520 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,460 |
| The Only European Country ... | 0 | - | 4.91 | 213,695 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,449 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,548 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,414 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,566 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,421 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,569 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,533 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,214 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,474 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,031 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,356 |
| African Island Countries | 0 | - | 4.96 | 100,739 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,573 |
| Australian States and Territories | 0 | - | 4.95 | 140,609 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,001 |
| Australia True or False | 0 | - | 4.87 | 56,488 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,609 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,105 |
| History of Mexico | 0 | - | 4.58 | 15,227 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,185 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,463 |
| Word Chain - South America | 0 | - | 4.51 | 23,759 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,059 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,083 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,516 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,782 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,480 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,232 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,668 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,256 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,221 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,443 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,823 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,709 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,751 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,278 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,212 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,152 |
| Slavic Countries | 0 | - | 4.96 | 110,816 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,033 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,320 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,721 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,372 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,199 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,661 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,440 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,643 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,717 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,101 |
| Countries of the Middle East | 0 | - | 4.96 | 198,826 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,233 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,922 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,134 |
| Australia Country Quiz | 0 | - | 4.43 | 69,262 |
| Flags of North and South America | 0 | - | 4.99 | 366,678 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,858 |
| South American Physical Geography | 0 | - | 4.58 | 18,269 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,200 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,678 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,763 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,727 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,377 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,124 |
| Counties of England | 0 | - | 4.97 | 788,873 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,158 |
| States of India | 0 | - | 4.94 | 189,901 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,991 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,229 |
| The Only African Country ... | 0 | - | 4.99 | 128,320 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,760 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,032 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,259 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,067 |
| Flags of Oceania | 0 | - | 5.00 | 254,974 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,892 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,381 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,034 |
| Regions of New Zealand | 0 | - | 4.85 | 28,118 |
| The Only American Country ... | 0 | - | 4.92 | 120,714 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,304 |
| Famous People from South America | 0 | - | 4.15 | 21,780 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,688 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,914 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,900 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,925 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,276 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,832 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,284 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,028 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,466 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,659 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,335 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,299 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,011 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,311 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,795 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,180 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,750 |
| Monarchies of Europe | 0 | - | 4.90 | 97,277 |
| European Countries with One Border | 0 | - | 4.97 | 181,560 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,443 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,182 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,872 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,871 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,151 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,067 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,643 |
| States of Germany | 0 | - | 4.96 | 149,950 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,989 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,508 |
| Regions of Italy | 0 | - | 4.92 | 74,654 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,779 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,264 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,098 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,051 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,878 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,025 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,400 |
| Champions League Winners | 0 | - | 4.92 | 995,872 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,976 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,986 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,310 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,691 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,363 |
| Monarchies of Asia | 0 | - | 4.97 | 70,578 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,417 |
| Provinces of Turkey | 0 | - | 4.95 | 200,847 |
| Provinces of China | 0 | - | 4.97 | 199,965 |
| Japanese Prefectures | 0 | - | 4.98 | 134,472 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,178 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,820 |
| States of India Map Quiz | 0 | - | 4.82 | 26,009 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,756 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,309 |
| African Great Lakes | 0 | - | 4.82 | 65,100 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,833 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,336 |
| Name a Valid African Country | 0 | - | 4.98 | 152,892 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,472 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,805 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,023 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,032 |
| Palau Country Quiz | 0 | - | 4.89 | 22,827 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,193 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,462 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,168 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,289 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,340 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,049 |
