| Uruguay Country Quiz | 0 | - | 4.84 | 31,514 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,507 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,081 |
| North America Map Quiz | 0 | - | 4.98 | 247,608 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,647 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,033 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,542 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,668 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,854 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,194 |
| States of Mexico | 0 | - | 4.95 | 175,473 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,774 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,643 |
| States of Brazil | 0 | - | 4.97 | 87,615 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,656 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,686 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,693 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,141 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,230 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,495 |
| Australian Capitals | 0 | - | 4.92 | 62,694 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,993 |
| Official European Union Languages | 0 | - | 4.97 | 238,102 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,600 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,149 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,512 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,501 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,844 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,471 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,444 |
| Asia Map Quiz | 0 | - | 4.99 | 914,352 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,768 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,447 |
| Countries of Africa | 0 | - | 5.00 | 2,529,681 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,589 |
| African East Coast | 0 | - | 4.96 | 95,805 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,597 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,444 |
| Australia Map Quiz | 0 | - | 4.95 | 343,807 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,248 |
| New World Crops | 0 | - | 4.37 | 30,833 |
| North American Physical Geography | 0 | - | 4.35 | 30,401 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,434 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,711 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,574 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,509 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,923 |
| Celtic Nations | 0 | - | 4.69 | 46,908 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,877 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,810 |
| The Only European Country ... | 0 | - | 4.91 | 215,953 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,758 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,754 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,617 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,760 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,863 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,628 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,377 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,985 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,064 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,148 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,639 |
| African Island Countries | 0 | - | 4.96 | 101,412 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,037 |
| Australian States and Territories | 0 | - | 4.96 | 141,686 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,228 |
| Australia True or False | 0 | - | 4.87 | 56,757 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,712 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,269 |
| History of Mexico | 0 | - | 4.58 | 15,291 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,310 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,557 |
| Word Chain - South America | 0 | - | 4.51 | 23,871 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,730 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,256 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,601 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,957 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,787 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,357 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,412 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,957 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,145 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,975 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,239 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,955 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,565 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,785 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,992 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,714 |
| Slavic Countries | 0 | - | 4.96 | 111,484 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,282 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,871 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,076 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,516 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,960 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,797 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,641 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,265 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,241 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,987 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,746 |
| Countries of the Middle East | 0 | - | 4.96 | 200,721 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,434 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,189 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,529 |
| Australia Country Quiz | 0 | - | 4.43 | 69,510 |
| Flags of North and South America | 0 | - | 4.99 | 371,829 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,216 |
| South American Physical Geography | 0 | - | 4.58 | 18,329 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,407 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,281 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,089 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,793 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,063 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,387 |
| Counties of England | 0 | - | 4.97 | 794,707 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,340 |
| States of India | 0 | - | 4.94 | 192,573 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,274 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,628 |
| The Only African Country ... | 0 | - | 4.98 | 128,914 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,053 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,637 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,373 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,977 |
| Flags of Oceania | 0 | - | 5.00 | 258,134 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,253 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,161 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,446 |
| Regions of New Zealand | 0 | - | 4.85 | 28,460 |
| The Only American Country ... | 0 | - | 4.92 | 121,388 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,920 |
| Famous People from South America | 0 | - | 4.15 | 21,913 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,464 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,695 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,827 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,351 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,157 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,319 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,342 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,729 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,813 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,767 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,929 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,658 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,236 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,890 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,891 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,491 |
| Monarchies of Europe | 0 | - | 4.90 | 97,942 |
| European Countries with One Border | 0 | - | 4.97 | 182,496 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,305 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,926 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,873 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,364 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,720 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,137 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,535 |
| States of Germany | 0 | - | 4.96 | 151,879 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,875 |
| Regions of Italy | 0 | - | 4.92 | 75,536 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,845 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,618 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,993 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,006 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,546 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,010 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,658 |
| Champions League Winners | 0 | - | 4.92 | 1,003,637 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,400 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,765 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,026 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,270 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,993 |
| Monarchies of Asia | 0 | - | 4.97 | 70,972 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,771 |
| Provinces of Turkey | 0 | - | 4.95 | 203,627 |
| Provinces of China | 0 | - | 4.97 | 203,417 |
| Japanese Prefectures | 0 | - | 4.98 | 136,408 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,702 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,602 |
| States of India Map Quiz | 0 | - | 4.83 | 26,365 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,118 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,648 |
| African Great Lakes | 0 | - | 4.82 | 66,016 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,427 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,315 |
| Name a Valid African Country | 0 | - | 4.98 | 153,737 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,716 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,013 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,382 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,286 |
| Palau Country Quiz | 0 | - | 4.90 | 22,968 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,493 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,944 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,768 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,413 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,494 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,902 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,325 |
