| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,433 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,265 |
| States of Brazil | 0 | - | 4.97 | 86,844 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,393 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,613 |
| Word Chain - South America | 0 | - | 4.51 | 23,801 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,995 |
| States of Mexico | 0 | - | 4.95 | 174,202 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,574 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,593 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,598,765 |
| Famous People from South America | 0 | - | 4.15 | 21,843 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 273,519 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,654 |
| United States Map Quiz | 0 | - | 4.98 | 4,146,363 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,691 |
| Flags of North and South America | 0 | - | 4.99 | 369,272 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,656 |
| South American Physical Geography | 0 | - | 4.58 | 18,295 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,015,631 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,247 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,238 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,289 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 714,585 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,130 |
| The Only American Country ... | 0 | - | 4.92 | 121,066 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,614 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,454 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,266 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,314 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,118 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,652 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,072 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,314 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,635 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,166 |
| 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 | 365,855 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,430 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,337 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,069 |
| History of Mexico | 0 | - | 4.58 | 15,249 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,072 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,239 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,505 |
| South America A-Z | 0 | - | 4.13 | 10,859 |
| Central American Countries | 0 | - | 4.98 | 155,396 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,520 |
| Famous Caribbean People | 0 | - | 4.37 | 12,578 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,463 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,902 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,832 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,619 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,826 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,367 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,905 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,794 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,098 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,888 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,157 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 80,946 |
| Pixelated United States Map | 0 | - | 4.89 | 93,715 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,832 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,131 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,159 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,763 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,776 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,150 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,400 |
| U.S. States By Population | 0 | - | 4.92 | 152,663 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,738 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,073 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,055 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,828 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,919 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,147 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,319 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,232 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,680 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,179 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,815 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,009 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,143 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,597 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,245 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,186 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,403 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 959,124 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,988 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,067 |
| Guyana Country Quiz | 0 | - | 4.49 | 22,666 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,477 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,164 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,131 |
| Suriname Country Quiz | 0 | - | 4.60 | 19,712 |
| American Foods | 0 | - | 3.66 | 39,313 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,241 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,831 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,971 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,285 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,109 |
| Canada Decoder | 0 | - | 4.12 | 18,673 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,050 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,022 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,917 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 237,662 |
| NBA Teams - One Minute Sprint | 0 | - | 4.54 | 154,100 |
| Famous People from Africa | 0 | - | 4.45 | 10,912 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,859 |
| Word Chain - Africa | 0 | - | 4.47 | 31,507 |
| Four Letter African Geography | 0 | - | 4.73 | 15,813 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,969 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,915 |
| Belize Country Quiz | 0 | - | 4.85 | 20,853 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,621 |
| 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 | 39,454 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,849 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,885 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,621 |
| New York City Geography | 0 | - | 4.42 | 32,999 |
| African-American Historical Figures | 0 | - | 4.18 | 17,143 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,332 |
| Europe Map Quiz | 0 | - | 5.00 | 4,741,224 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,082 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,720 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,034 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,072 |
| German Groups of Things | 0 | - | 4.46 | 38,358 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,378 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,394 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,180 |
| Africa Map Quiz | 0 | - | 5.00 | 2,108,703 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,537 |
| Australian Capitals | 0 | - | 4.92 | 62,636 |
| 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 | 112,470 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,282 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,358 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,502 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,111 |
| United States Country Quiz | 0 | - | 4.43 | 100,900 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,699 |
| Canada Country Quiz | 0 | - | 4.55 | 131,970 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,794 |
| Canada A-Z | 0 | - | 4.73 | 32,703 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,780 |
| Official European Union Languages | 0 | - | 4.97 | 237,420 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,182 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,086 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,038 |
| Asia Map Quiz | 0 | - | 4.99 | 909,654 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,746 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 233,972 |
| Countries of Africa | 0 | - | 5.00 | 2,516,705 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,133 |
| African East Coast | 0 | - | 4.96 | 95,378 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,243 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,005 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,075 |
| Australia Map Quiz | 0 | - | 4.94 | 343,006 |
| Pixelated Americas Map | 0 | - | 4.39 | 46,922 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,163 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 744,553 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,671 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,264 |
| 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 | 82,494 |
| 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 | 40,746 |
| U.S. States by Borders | 0 | - | 4.63 | 35,157 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,323 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,693 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,057 |
| 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 | 32,860 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,481 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,978 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,255 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,498 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,479 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,499 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,231 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,076 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,708 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,229 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,781 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,408 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,635 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,944 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,474 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,092 |
| The Only European Country ... | 0 | - | 4.91 | 214,754 |
