| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,439 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,268 |
| States of Brazil | 0 | - | 4.97 | 86,855 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,433 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,617 |
| Word Chain - South America | 0 | - | 4.51 | 23,803 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,064 |
| States of Mexico | 0 | - | 4.95 | 174,217 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,574 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,596 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,598,939 |
| Famous People from South America | 0 | - | 4.15 | 21,844 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 273,524 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,654 |
| United States Map Quiz | 0 | - | 4.98 | 4,146,414 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,695 |
| Flags of North and South America | 0 | - | 4.99 | 369,320 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,665 |
| South American Physical Geography | 0 | - | 4.58 | 18,295 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,015,692 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,271 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,251 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,292 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 714,623 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,135 |
| The Only American Country ... | 0 | - | 4.92 | 121,068 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,628 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,466 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,266 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,316 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,121 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,656 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,077 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,314 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,637 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,179 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,759 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,419 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,865 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,436 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,341 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,074 |
| History of Mexico | 0 | - | 4.58 | 15,249 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,075 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,240 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,507 |
| South America A-Z | 0 | - | 4.13 | 10,861 |
| Central American Countries | 0 | - | 4.98 | 155,401 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,536 |
| Famous Caribbean People | 0 | - | 4.37 | 12,579 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,463 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,907 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,845 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,621 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,828 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,394 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,007 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,814 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,111 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,900 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,160 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,000 |
| Pixelated United States Map | 0 | - | 4.89 | 93,717 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,844 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,136 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,161 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,767 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,779 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,158 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,406 |
| U.S. States By Population | 0 | - | 4.92 | 152,668 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,743 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,074 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,063 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,836 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,920 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,149 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,326 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,239 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,687 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,184 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,824 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,018 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,146 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,605 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,281 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,192 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,408 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 960,339 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,998 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,074 |
| Guyana Country Quiz | 0 | - | 4.49 | 22,667 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,477 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,166 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,131 |
| Suriname Country Quiz | 0 | - | 4.60 | 19,712 |
| American Foods | 0 | - | 3.66 | 39,315 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,242 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,831 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,978 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,287 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,112 |
| Canada Decoder | 0 | - | 4.12 | 18,673 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,054 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,030 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,931 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 237,685 |
| NBA Teams - One Minute Sprint | 0 | - | 4.54 | 154,105 |
| Famous People from Africa | 0 | - | 4.45 | 10,913 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,860 |
| Word Chain - Africa | 0 | - | 4.47 | 31,509 |
| Four Letter African Geography | 0 | - | 4.73 | 16,024 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,972 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,915 |
| Belize Country Quiz | 0 | - | 4.85 | 20,854 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,622 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,967 |
| Territories of the United States | 0 | - | 4.79 | 52,225 |
| Fictional Characters from the Midwest by Picture | 0 | - | 4.04 | 19,166 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,455 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,859 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,888 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,626 |
| New York City Geography | 0 | - | 4.42 | 33,000 |
| African-American Historical Figures | 0 | - | 4.18 | 17,144 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,332 |
| Europe Map Quiz | 0 | - | 5.00 | 4,741,388 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,088 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,723 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,036 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,074 |
| German Groups of Things | 0 | - | 4.46 | 38,358 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,380 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,397 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,182 |
| Africa Map Quiz | 0 | - | 5.00 | 2,108,753 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,546 |
| Australian Capitals | 0 | - | 4.92 | 62,640 |
| Word Chain - Australia | 0 | - | 4.37 | 38,057 |
| South American Cities on the Map | 0 | - | 4.56 | 35,289 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,474 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,282 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,360 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,504 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,111 |
| United States Country Quiz | 0 | - | 4.43 | 100,903 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,699 |
| Canada Country Quiz | 0 | - | 4.55 | 131,971 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,796 |
| Canada A-Z | 0 | - | 4.73 | 32,703 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,785 |
| Official European Union Languages | 0 | - | 4.97 | 237,430 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,185 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,105 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,054 |
| Asia Map Quiz | 0 | - | 4.99 | 909,698 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,747 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 233,997 |
| Countries of Africa | 0 | - | 5.00 | 2,516,872 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,140 |
| African East Coast | 0 | - | 4.96 | 95,384 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,247 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,005 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,079 |
| Australia Map Quiz | 0 | - | 4.94 | 343,026 |
| Pixelated Americas Map | 0 | - | 4.39 | 46,924 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,166 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 744,573 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,671 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,269 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,689 |
| New England States | 0 | - | 4.51 | 59,736 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,588 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,929 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,500 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,768 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,749 |
| U.S. States by Borders | 0 | - | 4.63 | 35,157 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,324 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,695 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,058 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,408 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,862 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,481 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,980 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,255 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,499 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,481 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,500 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,234 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,077 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,709 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,229 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,793 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,409 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,645 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,964 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,476 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,097 |
| The Only European Country ... | 0 | - | 4.91 | 214,780 |
