| American Countries with the Shortest Names | 0 | - | 4.96 | 121,556 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,935 |
| Australian Capitals | 0 | - | 4.92 | 62,812 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,362 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,647,202 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,473 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,762 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,251 |
| Australia True or False | 0 | - | 4.87 | 57,090 |
| Flags of North and South America | 0 | - | 4.99 | 376,167 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,486 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,815 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,622 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,470 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,495 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,481 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 739,337 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,355 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,626 |
| Word Chain - Australia | 0 | - | 4.38 | 38,225 |
| Australia Country Quiz | 0 | - | 4.43 | 69,791 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,914 |
| Regions of New Zealand | 0 | - | 4.84 | 28,686 |
| The Only American Country ... | 0 | - | 4.92 | 122,103 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,455 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,697 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,786 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,802 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,671 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,849 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,858 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,204 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,795 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,523 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,706 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,728 |
| States of Mexico | 0 | - | 4.96 | 177,815 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,487 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,361 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,634 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,489 |
| States of Brazil | 0 | - | 4.97 | 89,375 |
| Central American Countries | 0 | - | 4.98 | 157,175 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,193 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,993 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,387 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,225 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,983 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,062 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,632 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,390 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,309 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,588 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,557 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,869 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,507 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,014 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,124 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,840 |
| Word Chain - South America | 0 | - | 4.51 | 23,988 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,990 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,186 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,218 |
| Word Chain - Africa | 0 | - | 4.47 | 31,696 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 981,586 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,571 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 92,474 |
| Pixelated United States Map | 0 | - | 4.88 | 94,710 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,362 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,315 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,901 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,129 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,128 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,165 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,155 |
| U.S. States By Population | 0 | - | 4.92 | 154,033 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,077 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,804 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,978 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,772 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,482 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,002 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,553 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,117 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,595 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,780 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,593 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,928 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,564 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,954 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,642 |
| Famous People from South America | 0 | - | 4.15 | 22,068 |
| American Foods | 0 | - | 3.66 | 39,427 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,421 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,967 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,428 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,340 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,956 |
| Canada Decoder | 0 | - | 4.07 | 18,761 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,870 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,980 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,414 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,123 |
| NBA Teams - One Minute Sprint | 0 | - | 4.54 | 156,416 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,231 |
| Belize Country Quiz | 0 | - | 4.85 | 21,064 |
| Famous Caribbean People | 0 | - | 4.37 | 12,652 |
| Territories of the United States | 0 | - | 4.80 | 52,579 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 19,228 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,841 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,989 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,461 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,318 |
| New York City Geography | 0 | - | 4.43 | 33,172 |
| African-American Historical Figures | 0 | - | 4.18 | 17,268 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,826 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,610 |
| Official European Union Languages | 0 | - | 4.97 | 239,538 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,513 |
| Europe Map Quiz | 0 | - | 5.00 | 4,782,470 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,465 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,124 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,415 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,385 |
| German Groups of Things | 0 | - | 4.47 | 38,610 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,631 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,702 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,344 |
| Famous People from Africa | 0 | - | 4.45 | 10,986 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,068 |
| Four Letter African Geography | 0 | - | 4.68 | 19,684 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 242,206 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,362 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,790 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,691 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,656 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,265 |
| United States Country Quiz | 0 | - | 4.43 | 102,064 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,035 |
| Canada Country Quiz | 0 | - | 4.55 | 132,938 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,528 |
| Canada A-Z | 0 | - | 4.73 | 32,944 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,404 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,414 |
| Asia Map Quiz | 0 | - | 4.99 | 923,688 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,165 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,707 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,441 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,329 |
| Australia Map Quiz | 0 | - | 4.95 | 345,889 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,377 |
| History of Mexico | 0 | - | 4.52 | 15,358 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 43,638 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,844 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,602 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,193 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,763 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,324 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,074 |
| New England States | 0 | - | 4.51 | 59,882 |
| U.S. States by Land Area | 0 | - | 4.63 | 53,016 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,101 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,067 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,243 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,102 |
| U.S. States by Borders | 0 | - | 4.62 | 35,444 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,657 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,286 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,411 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,885 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,193 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,808 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,411 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,486 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,828 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,285 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,202 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,553 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,972 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,215 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 47,055 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,411 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,586 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,864 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,432 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,886 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,843 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,835 |
| The Only European Country ... | 0 | - | 4.91 | 218,542 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,254 |
| Word Chain - France | 0 | - | 4.38 | 42,908 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,015 |
| British Groups of Things | 0 | - | 4.25 | 82,982 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,090 |
| Word Chain - Asia | 0 | - | 4.34 | 29,378 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,769 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,546 |
| Countries of Africa | 0 | - | 5.00 | 2,554,798 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,684 |
| African East Coast | 0 | - | 4.96 | 96,620 |
