| Uruguay Country Quiz | 0 | - | 4.83 | 31,327 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,106 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,066 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,593 |
| North America Map Quiz | 0 | - | 4.98 | 243,983 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,337 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,533 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,815 |
| States of Mexico | 0 | - | 4.95 | 173,008 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,039 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,760 |
| States of Brazil | 0 | - | 4.98 | 86,182 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 48,990 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 525,993 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,559 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,322 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,281 |
| Canada Multiple Choice Quiz | 0 | - | 4.53 | 48,843 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,338 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,913 |
| Australian Capitals | 0 | - | 4.92 | 62,584 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 93,373 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,374 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,516 |
| Official European Union Languages | 0 | - | 4.97 | 236,338 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,597 |
| Europe Map Quiz | 0 | - | 5.00 | 4,727,111 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,658 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,419 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,754 |
| Native American Tribes in the US | 0 | - | 4.70 | 25,251 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,815 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,436,955 |
| Asia Map Quiz | 0 | - | 4.99 | 905,680 |
| Countries of Africa | 0 | - | 5.00 | 2,504,168 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,709 |
| African East Coast | 0 | - | 4.96 | 94,914 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,790 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,719 |
| Australia Map Quiz | 0 | - | 4.94 | 342,215 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,189 |
| New World Crops | 0 | - | 4.33 | 23,494 |
| Hispanic Last Names in the U.S. | 0 | - | 4.30 | 54,602 |
| History of Mexico | 0 | - | 4.58 | 15,217 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,169 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,452 |
| Word Chain - South America | 0 | - | 4.51 | 23,754 |
| North American Physical Geography | 0 | - | 4.35 | 30,351 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,524 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,401 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,058 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,508 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,766 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,819 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,153 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,715 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,053 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,481 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,326 |
| The Only European Country ... | 0 | - | 4.91 | 213,471 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,309 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,525 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,291 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,564 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,200 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,185 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,471 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,458 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,145 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,415 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,908 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,244 |
| African Island Countries | 0 | - | 4.96 | 100,648 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,439 |
| Australian States and Territories | 0 | - | 4.95 | 140,547 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,987 |
| Australia True or False | 0 | - | 4.87 | 56,463 |
| Flags of North and South America | 0 | - | 4.99 | 365,439 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,934 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,217 |
| South American Physical Geography | 0 | - | 4.58 | 18,263 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,367 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,241 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,286 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,453 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,224 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,223,961 |
| Celtic Nations | 0 | - | 4.69 | 46,796 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,540 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,575 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,187 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,019 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,399 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,773 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,555 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,507 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,158 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,132 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,056 |
| Slavic Countries | 0 | - | 4.96 | 110,766 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,007 |
| Counties of England | 0 | - | 4.97 | 788,264 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,452 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,260 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,672 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,317 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,127 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,581 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,355 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,580 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,591 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,012 |
| Countries of the Middle East | 0 | - | 4.96 | 198,694 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,216 |
| States of India | 0 | - | 4.94 | 189,670 |
| 10 African Countries with the Most Tourists | 0 | - | 4.38 | 60,093 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,970 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,197 |
| The Only African Country ... | 0 | - | 4.99 | 128,256 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,732 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,941 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,185 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,005 |
| Flags of Oceania | 0 | - | 5.00 | 254,593 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,875 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,301 |
| Australia Country Quiz | 0 | - | 4.43 | 69,233 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,012 |
| Regions of New Zealand | 0 | - | 4.85 | 28,098 |
| The Only American Country ... | 0 | - | 4.92 | 120,654 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,250 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,955 |
| Famous People from South America | 0 | - | 4.15 | 21,767 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,473 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,851 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,783 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,831 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,146 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,744 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,276 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,965 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,426 |
| US States Quiz | 0 | - | 5.00 | 16,677,965 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,644 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,287 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,263 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,955 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,203 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,630 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,106 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,094 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,634 |
| Monarchies of Europe | 0 | - | 4.90 | 97,202 |
| European Countries with One Border | 0 | - | 4.97 | 181,446 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,966 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,113 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,754 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,571 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,096 |
| Regions of France Map Quiz | 0 | - | 4.97 | 142,994 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,554 |
| States of Germany | 0 | - | 4.96 | 149,760 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,900 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,481 |
| Regions of Italy | 0 | - | 4.92 | 74,592 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,727 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,133 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,051 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,866 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,833 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,930 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,392 |
| Champions League Winners | 0 | - | 4.92 | 994,991 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,926 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,917 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,245 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,529 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,280 |
| Monarchies of Asia | 0 | - | 4.97 | 70,536 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,377 |
| Provinces of Turkey | 0 | - | 4.95 | 199,911 |
| Provinces of China | 0 | - | 4.97 | 199,686 |
| Japanese Prefectures | 0 | - | 4.98 | 134,267 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,120 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,703 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,603 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,715 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 30,199 |
| Bhutan Country Quiz | 0 | - | 4.87 | 23,991 |
| States of India Map Quiz | 0 | - | 4.82 | 25,985 |
| Countries Bordering India | 0 | - | 4.98 | 162,536 |
| Countries Closest to India | 0 | - | 4.96 | 102,144 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,704 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,284 |
| African Great Lakes | 0 | - | 4.82 | 65,025 |
| Every African Country Shape | 0 | - | 4.90 | 85,848 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,775 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,125 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,286 |
| Name a Valid African Country | 0 | - | 4.98 | 152,805 |
