| Uruguay Country Quiz | 0 | - | 4.84 | 31,579 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,731 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,608 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,225 |
| North America Map Quiz | 0 | - | 4.98 | 248,510 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,732 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,160 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,670 |
| States of Mexico | 0 | - | 4.96 | 176,094 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,923 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,912 |
| States of Brazil | 0 | - | 4.97 | 88,050 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,256 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,537 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,012 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,128 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,713 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,801 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,321 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,533 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,553 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,214 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,993 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,501 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,356 |
| Europe Map Quiz | 0 | - | 5.00 | 4,763,002 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 213,419 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 279,151 |
| Africa Map Quiz | 0 | - | 5.00 | 2,117,893 |
| Which African Country? | 0 | - | 4.58 | 36,366 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,321 |
| Australian Capitals | 0 | - | 4.92 | 62,722 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,782 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,533 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,130 |
| Official European Union Languages | 0 | - | 4.97 | 238,505 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,857 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,202 |
| Which European Country - Multiple Choice | 0 | - | 4.51 | 84,382 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,962 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,333 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,232 |
| Asia Map Quiz | 0 | - | 4.99 | 916,771 |
| Which Asian Country? | 0 | - | 4.64 | 57,590 |
| Countries of Africa | 0 | - | 5.00 | 2,537,030 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,828 |
| African East Coast | 0 | - | 4.96 | 96,066 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,884 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,690 |
| Australia Map Quiz | 0 | - | 4.95 | 344,615 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,269 |
| New World Crops | 0 | - | 4.38 | 30,884 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,751 |
| History of Mexico | 0 | - | 4.58 | 15,309 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,346 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,576 |
| South American Physical Geography | 0 | - | 4.58 | 18,346 |
| Word Chain - South America | 0 | - | 4.51 | 23,905 |
| North American Physical Geography | 0 | - | 4.35 | 30,418 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,454 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,442 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,310 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,636 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,015 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,257 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,653 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,959 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,032 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,460 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,988 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,250 |
| The Only European Country ... | 0 | - | 4.91 | 216,630 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,134 |
| Austria... or Australia? | 0 | - | 4.68 | 104,348 |
| France True or False? | 0 | - | 4.44 | 39,935 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,658 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,833 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,144 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,960 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,974 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,979 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,573 |
| China Multiple Choice | 0 | - | 4.50 | 37,282 |
| States of India | 0 | - | 4.95 | 193,301 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,971 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,312 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,335 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,983 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,577 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,236 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,264 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,779 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,507 |
| The Only African Country ... | 0 | - | 4.99 | 129,099 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,126 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,046 |
| African Island Countries | 0 | - | 4.96 | 101,633 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,413 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,862 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,203 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,270 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.88 | 57,283 |
| South Africa Multiple Choice | 0 | - | 4.55 | 27,478 |
| Flags of Oceania | 0 | - | 5.00 | 259,423 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,338 |
| Australian States and Territories | 0 | - | 4.96 | 141,970 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,409 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,285 |
| Australia True or False | 0 | - | 4.87 | 56,856 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,570 |
| Regions of New Zealand | 0 | - | 4.85 | 28,510 |
| Flags of North and South America | 0 | - | 4.99 | 373,097 |
| The Only American Country ... | 0 | - | 4.92 | 121,606 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,123 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,021 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,759 |
| South America Map Quiz | 0 | - | 5.00 | 1,549,753 |
| Famous People from South America | 0 | - | 4.15 | 21,976 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,293 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,298 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,242 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,960 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,126 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,479 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,457 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,467 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,028 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,939 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,732 |
| US States Quiz | 0 | - | 5.00 | 16,874,925 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,537 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,419 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,078 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,882 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,305 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,385 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,162 |
| Celtic Nations | 0 | - | 4.69 | 46,945 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,701 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,668 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,209 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,857 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,711 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,527 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,152 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,313 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,372 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,132 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,511 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,858 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,761 |
| Monarchies of Europe | 0 | - | 4.90 | 98,153 |
| European Countries with One Border | 0 | - | 4.97 | 182,780 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,576 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 78,571 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,214 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,319 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 81,839 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,677 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,011 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,886 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 80,987 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,286 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,193 |
| Slavic Countries | 0 | - | 4.96 | 111,662 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,162 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,902 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,438 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,819 |
| States of Germany | 0 | - | 4.96 | 152,587 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,355 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,036 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,008 |
| Regions of Italy | 0 | - | 4.92 | 75,876 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,163 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,775 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,944 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,207 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,544 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,003 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,643 |
| Counties of England | 0 | - | 4.97 | 796,757 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,700 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,982 |
| Champions League Winners | 0 | - | 4.92 | 1,006,739 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,559 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,237 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,508 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,735 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,152 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,995 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,004 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,895 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,516 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,287 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,819 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,435 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,371 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,203 |
| Monarchies of Asia | 0 | - | 4.97 | 71,087 |
