| Uruguay Country Quiz | 0 | - | 4.84 | 31,613 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,666 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,301 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,720 |
| North America Map Quiz | 0 | - | 4.98 | 248,917 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,769 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,232 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,749 |
| States of Mexico | 0 | - | 4.96 | 176,398 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,998 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,033 |
| States of Brazil | 0 | - | 4.97 | 88,322 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,275 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,026 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,745 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,402 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,409 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,371 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,558 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,399 |
| Australian Capitals | 0 | - | 4.92 | 62,734 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,063 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,516 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,229 |
| Official European Union Languages | 0 | - | 4.97 | 238,694 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,977 |
| Europe Map Quiz | 0 | - | 5.00 | 4,766,754 |
| Africa Map Quiz | 0 | - | 5.00 | 2,119,797 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,103 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,784 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,562 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,558 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,907 |
| Asia Map Quiz | 0 | - | 4.99 | 917,940 |
| Countries of Africa | 0 | - | 5.00 | 2,540,820 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,955 |
| African East Coast | 0 | - | 4.96 | 96,152 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,021 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,809 |
| Australia Map Quiz | 0 | - | 4.95 | 344,840 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,275 |
| New World Crops | 0 | - | 4.38 | 30,895 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,777 |
| History of Mexico | 0 | - | 4.58 | 15,320 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,371 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,589 |
| Word Chain - South America | 0 | - | 4.51 | 23,916 |
| North American Physical Geography | 0 | - | 4.35 | 30,424 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,289 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,445 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,336 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,648 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,049 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,517 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,696 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,270 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,720 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,033 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,443 |
| The Only European Country ... | 0 | - | 4.91 | 217,000 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,348 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,868 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,099 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,901 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,021 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,203 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,158 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,679 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,346 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,347 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,671 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,222 |
| African Island Countries | 0 | - | 4.96 | 101,728 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,591 |
| Australian States and Territories | 0 | - | 4.96 | 142,112 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,326 |
| Australia True or False | 0 | - | 4.87 | 56,905 |
| Flags of North and South America | 0 | - | 4.99 | 373,679 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,933 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,718 |
| South American Physical Geography | 0 | - | 4.58 | 18,358 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,462 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,090 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,963 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,920 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,409 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,136 |
| Celtic Nations | 0 | - | 4.69 | 46,967 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,663 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,776 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,305 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,007 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,258 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,447 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,848 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,330 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,418 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,408 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,299 |
| Slavic Countries | 0 | - | 4.96 | 111,767 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,394 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,111 |
| Counties of England | 0 | - | 4.97 | 797,844 |
| Flags of Asia Quiz | 0 | - | 4.99 | 614,510 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,314 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,853 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,254 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,092 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,023 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,604 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,547 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,553 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,020 |
| Countries of the Middle East | 0 | - | 4.96 | 201,352 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,559 |
| States of India | 0 | - | 4.95 | 193,718 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,699 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,363 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,829 |
| The Only African Country ... | 0 | - | 4.99 | 129,196 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,159 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,941 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,499 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,284 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.88 | 57,972 |
| Flags of Oceania | 0 | - | 5.00 | 259,873 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,382 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,552 |
| Australia Country Quiz | 0 | - | 4.43 | 69,633 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,630 |
| Regions of New Zealand | 0 | - | 4.85 | 28,546 |
| The Only American Country ... | 0 | - | 4.92 | 121,710 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,194 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,024 |
| Famous People from South America | 0 | - | 4.15 | 22,000 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,631 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,071 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,277 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,539 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,595 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,543 |
| The U.S. Pledge of Allegiance | 0 | - | 3.99 | 18,368 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,218 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,991 |
| US States Quiz | 0 | - | 5.00 | 16,895,399 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,813 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,143 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,955 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,692 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,500 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,240 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,529 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,878 |
| Monarchies of Europe | 0 | - | 4.90 | 98,234 |
| European Countries with One Border | 0 | - | 4.97 | 182,940 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,719 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,734 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,561 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,622 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,973 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,600 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,968 |
| States of Germany | 0 | - | 4.95 | 152,867 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,160 |
| Regions of Italy | 0 | - | 4.92 | 76,055 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,288 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,137 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,291 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,849 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,063 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,861 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,722 |
| Champions League Winners | 0 | - | 4.92 | 1,008,198 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,568 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,110 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,405 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,091 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,304 |
| Monarchies of Asia | 0 | - | 4.97 | 71,144 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,952 |
| Provinces of Turkey | 0 | - | 4.95 | 204,421 |
| Provinces of China | 0 | - | 4.97 | 204,978 |
| Japanese Prefectures | 0 | - | 4.98 | 137,265 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,918 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,969 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,335 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,397 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,243 |
| States of India Map Quiz | 0 | - | 4.83 | 26,561 |
| Countries Bordering India | 0 | - | 4.98 | 163,466 |
| Countries Closest to India | 0 | - | 4.97 | 102,856 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,290 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,765 |
| African Great Lakes | 0 | - | 4.82 | 66,328 |
| Every African Country Shape | 0 | - | 4.90 | 87,470 |
| Word Chain - Africa | 0 | - | 4.47 | 31,635 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,682 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,346 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,698 |
| Name a Valid African Country | 0 | - | 4.98 | 154,209 |
