| Caribbean Countries and Territories | 0 | - | 4.81 | 113,030 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,299 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,186 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,259 |
| States of Mexico | 0 | - | 4.96 | 177,118 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,286 |
| Central American Countries | 0 | - | 4.98 | 156,900 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,908 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,223 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,498 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,917 |
| Canada Provinces and Territories | 0 | - | 5.00 | 344,217 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,218 |
| Belize Country Quiz | 0 | - | 4.85 | 21,026 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,172 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,697 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,315 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,494 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,656 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,952 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,675 |
| Red State or Blue State Trait? | 0 | - | 4.42 | 55,508 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,509 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,082 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,673 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,187 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,290 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,320 |
| States of Brazil | 0 | - | 4.97 | 88,854 |
| Dominica Country Quiz | 0 | - | 4.81 | 19,878 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,183 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,970 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,012 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,167 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,972 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,471 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,940 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,965 |
| Pixelated United States Map | 0 | - | 4.88 | 94,524 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,057 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,082 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,197 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,806 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,758 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,434 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,761 |
| U.S. States By Population | 0 | - | 4.92 | 153,815 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,812 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,640 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,770 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,584 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,359 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,845 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,343 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,987 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,455 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,699 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,481 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,780 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,484 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,697 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,126 |
| Antigua and Barbuda Country Quiz | 0 | - | 4.68 | 22,144 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,808 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,959 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,011 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,655 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,630 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,537 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,024 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,812 |
| History of Mexico | 0 | - | 4.58 | 15,341 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,795 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,724 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,092 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,408 |
| Official European Union Languages | 0 | - | 4.97 | 239,096 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,242 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,269 |
| Ancient Greek Words | 0 | - | 4.93 | 112,043 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,481 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,336 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,192 |
| Flags of North and South America | 0 | - | 4.99 | 374,857 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,306 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,409 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,057 |
| Washington... or Washington D.C.? | 0 | - | 4.33 | 26,552 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,154 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,723 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,704 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,902 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,525 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,252 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,325 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,324 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,940 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.56 | 34,434 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,740 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,842 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,903 |
| The Only American Country ... | 0 | - | 4.92 | 121,894 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,357 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,503 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,945 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,646 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,899 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,625 |
| Territories of the United States | 0 | - | 4.80 | 52,495 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,625 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,765 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,781 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,225 |
| United States Country Quiz | 0 | - | 4.43 | 101,825 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,327 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,982 |
| New York City Geography | 0 | - | 4.42 | 33,139 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,330 |
| Canada Country Quiz | 0 | - | 4.54 | 132,746 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,412 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,739 |
| Canada A-Z | 0 | - | 4.73 | 32,906 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,446 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,220 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,475 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,499 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,463 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,298 |
| States of Germany | 0 | - | 4.95 | 153,559 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,367 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,870 |
| Regions of Italy | 0 | - | 4.92 | 76,420 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,515 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 68,236 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,495 |
| Champions League Winners | 0 | - | 4.92 | 1,010,970 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,092 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,494 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,624 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,478 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,620 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,785 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,720 |
| Which South American Country? | 0 | - | 4.69 | 52,027 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,843 |
| Famous Caribbean People | 0 | - | 4.37 | 12,641 |
| Grenada Country Quiz | 0 | - | 4.62 | 18,968 |
| Saint Kitts and Nevis Country Quiz | 0 | - | 4.57 | 18,802 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,225 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,540 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,741 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,335 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,971 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,134 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,277 |
| 75 Americans Named John | 0 | - | 4.41 | 23,937 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 59,985 |
| North Carolina... or South Carolina? | 0 | - | 4.21 | 10,545 |
| New England States | 0 | - | 4.51 | 59,851 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,927 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,054 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,552 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,258 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,956 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,152 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 41,027 |
| U.S. States by Borders | 0 | - | 4.62 | 35,397 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 186,880 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,571 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,182 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,193 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,287 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,772 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,121 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,921 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,765 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,320 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,441 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,770 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,124 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,067 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,493 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,800 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,113 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,988 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,216 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,589 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 63,940 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,537 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,804 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,335 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,378 |
| Celtic Nations | 0 | - | 4.69 | 47,016 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,693 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,542 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,704 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,972 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,915 |
| Departments of France | 0 | - | 4.93 | 54,619 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,641 |
