| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,402 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,930 |
| Australian Capitals | 0 | - | 4.92 | 62,694 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,183 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,614,109 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 274,769 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,870 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,878 |
| Australia True or False | 0 | - | 4.87 | 56,766 |
| Flags of North and South America | 0 | - | 4.99 | 371,865 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,279 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,269 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,520 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,325 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,142 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,358 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 718,859 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,099 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,276 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,257 |
| Word Chain - Australia | 0 | - | 4.38 | 38,112 |
| Australia Country Quiz | 0 | - | 4.43 | 69,518 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,448 |
| Regions of New Zealand | 0 | - | 4.85 | 28,460 |
| The Only American Country ... | 0 | - | 4.92 | 121,399 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,476 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,700 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,839 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,357 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,164 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,320 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,732 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,816 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,696 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,080 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,915 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,330 |
| States of Mexico | 0 | - | 4.95 | 175,485 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,448 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,776 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,659 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,862 |
| States of Brazil | 0 | - | 4.97 | 87,633 |
| Central American Countries | 0 | - | 4.98 | 155,885 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,883 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,784 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,315 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,196 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,797 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,073 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,579 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,593 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,273 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,666 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,691 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,510 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,033 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,713 |
| Word Chain - South America | 0 | - | 4.51 | 23,872 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,690 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,486 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,704 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 974,826 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,327 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,432 |
| Pixelated United States Map | 0 | - | 4.87 | 94,067 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,339 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,507 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,635 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,159 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,199 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,685 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,957 |
| U.S. States By Population | 0 | - | 4.92 | 152,999 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,184 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,313 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,374 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,121 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,100 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,457 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,768 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,506 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,042 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,423 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,110 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,370 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,255 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,018 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 278,882 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,864 |
| Famous People from South America | 0 | - | 4.15 | 21,913 |
| American Foods | 0 | - | 3.66 | 39,358 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,291 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,867 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,534 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,595 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,335 |
| Canada Decoder | 0 | - | 4.12 | 18,705 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,287 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,366 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,669 |
| NBA Teams - One Minute Sprint | 0 | - | 4.54 | 154,717 |
| Famous People from Africa | 0 | - | 4.45 | 10,936 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,936 |
| Word Chain - Africa | 0 | - | 4.47 | 31,584 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,950 |
| Belize Country Quiz | 0 | - | 4.85 | 20,933 |
| Famous Caribbean People | 0 | - | 4.37 | 12,601 |
| Territories of the United States | 0 | - | 4.79 | 52,332 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 19,189 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,571 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,260 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,074 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,846 |
| New York City Geography | 0 | - | 4.42 | 33,054 |
| African-American Historical Figures | 0 | - | 4.18 | 17,173 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,513 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,996 |
| Official European Union Languages | 0 | - | 4.97 | 238,120 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,609 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,352 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,207 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,863 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,152 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,181 |
| German Groups of Things | 0 | - | 4.46 | 38,438 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,471 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,494 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,223 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 239,160 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,582 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,559 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,768 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,697 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,460 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,554 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,159 |
| United States Country Quiz | 0 | - | 4.43 | 101,306 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,820 |
| Canada Country Quiz | 0 | - | 4.54 | 132,317 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 124,060 |
| Canada A-Z | 0 | - | 4.73 | 32,773 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,487 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,466 |
| Asia Map Quiz | 0 | - | 4.99 | 914,423 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,887 |
| World Capitals - One Minute Sprint | 0 | - | 4.20 | 234,840 |
| Countries of Africa | 0 | - | 5.00 | 2,529,955 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,596 |
| African East Coast | 0 | - | 4.96 | 95,824 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,602 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,450 |
| Australia Map Quiz | 0 | - | 4.95 | 343,823 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,082 |
| History of Mexico | 0 | - | 4.58 | 15,291 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,311 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,557 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,425 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 746,177 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,694 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,842 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,821 |
| New England States | 0 | - | 4.51 | 59,782 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,745 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,982 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,686 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,913 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,872 |
| U.S. States by Borders | 0 | - | 4.61 | 35,256 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,425 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,940 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,173 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,571 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 32,976 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,566 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,116 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,340 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,617 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,758 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,720 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,353 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,384 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,888 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,822 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,294 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,728 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,577 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,532 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,936 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,611 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,820 |
| The Only European Country ... | 0 | - | 4.91 | 215,979 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,766 |
| Word Chain - France | 0 | - | 4.38 | 42,740 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,755 |
| British Groups of Things | 0 | - | 4.25 | 82,831 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,017 |
| Word Chain - Asia | 0 | - | 4.34 | 29,299 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,624 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,799 |
