| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,057 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,378 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,875 |
| States of Mexico | 0 | - | 4.96 | 177,180 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,329 |
| States of Brazil | 0 | - | 4.97 | 88,923 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,633 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,749 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,011 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,656 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,027 |
| Flags of North and South America | 0 | - | 4.99 | 375,010 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,663 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,053 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,842 |
| NFL Football Last Names | 0 | - | 4.43 | 171,823 |
| The Only American Country ... | 0 | - | 4.92 | 121,924 |
| South American Geography Quiz #2 | 0 | - | 4.38 | 42,595 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,450 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,702 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,449 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,061 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,252 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,055 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,409 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,295 |
| US States Quiz | 0 | - | 5.00 | 16,938,287 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,001 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,502 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,311 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,211 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,339 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,207 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,991 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,273 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,782 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,284 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,987 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,493 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,624 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,804 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,046 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,909 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,295 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,531 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,265 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,375 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,763 |
| Name a Valid African Country | 0 | - | 4.98 | 154,562 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 490,878 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 714,395 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,501 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,672 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,729 |
| South American Physical Geography | 0 | - | 4.58 | 18,380 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,851 |
| Pixelated United States Map | 0 | - | 4.88 | 94,541 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,078 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,099 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,384 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,246 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,608 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,827 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,825 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,462 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,802 |
| U.S. States By Population | 0 | - | 4.92 | 153,831 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,837 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,658 |
| US States with an Empty Map | 0 | - | 5.00 | 626,645 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,605 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,378 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,863 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,494 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,727 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,099 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,568 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,947 |
| Most Common First Names in Spain | 0 | - | 4.27 | 50,820 |
| MLB Baseball Last Names | 0 | - | 4.19 | 19,149 |
| Famous Child Stars by Last Name | 0 | - | 4.15 | 13,525 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,013 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,725 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,920 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,281 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,828 |
| California Groups of Things | 0 | - | 4.25 | 45,645 |
| New York Groups of Things | 0 | - | 4.37 | 70,077 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,536 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,655 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,952 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,704 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,433 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,082 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,457 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,030 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,663 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,061 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,555 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,675 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,138 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,189 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,613 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,388 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,970 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,181 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,804 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,293 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,954 |
| South America A-Z | 0 | - | 4.13 | 10,931 |
| Belize Country Quiz | 0 | - | 4.85 | 21,028 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,263 |
| Names of Generations | 0 | - | 4.09 | 45,288 |
| Movies by State | 0 | - | 4.27 | 40,581 |
| Europe Map Quiz | 0 | - | 5.00 | 4,775,507 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,403 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,058 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,350 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,325 |
| German Groups of Things | 0 | - | 4.46 | 38,561 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,545 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,589 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,648 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,313 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,024 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,789 |
| Most Popular Boy Names in the U.S. 2024 | 0 | - | 4.06 | 177,861 |
| Oceania Map Quiz | 0 | - | 4.98 | 656,432 |
| Australian Capitals | 0 | - | 4.92 | 62,780 |
| Word Chain - Australia | 0 | - | 4.38 | 38,192 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,787 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,306 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,630 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,231 |
| United States Country Quiz | 0 | - | 4.43 | 101,851 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,991 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 39,159 |
| Canada Country Quiz | 0 | - | 4.54 | 132,774 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,425 |
| Canada A-Z | 0 | - | 4.73 | 32,912 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,982 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,440 |
| Official European Union Languages | 0 | - | 4.97 | 239,161 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,271 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,651 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,287 |
| Asia Map Quiz | 0 | - | 4.99 | 921,287 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,099 |
| Africa Map Quiz | 0 | - | 5.00 | 2,123,591 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,635 |
| Political Figures by Last Name #1 | 0 | - | 4.56 | 68,463 |
| Actors by Last Name #1 | 0 | - | 4.28 | 68,715 |
| Actresses by Last Name #1 | 0 | - | 4.26 | 63,819 |
| Actors by Last Name #2 | 0 | - | 4.02 | 59,125 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,100 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,063 |
| Australia Map Quiz | 0 | - | 4.95 | 345,476 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,760 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,210 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,585 |
| History of Mexico | 0 | - | 4.58 | 15,341 |
| Word Chain - South America | 0 | - | 4.51 | 23,949 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,656 |
| Brazil Country Quiz | 0 | - | 4.52 | 102,092 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,750 |
| Chile Country Quiz | 0 | - | 4.75 | 40,163 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,939 |
| Peru Country Quiz | 0 | - | 4.54 | 48,809 |
| United States Map Quiz | 0 | - | 4.98 | 4,165,342 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,494 |
| Random U.S. City to State | 0 | - | 4.45 | 76,660 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,015 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,066 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 59,995 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,446 |
| New England States | 0 | - | 4.51 | 59,856 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,939 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,058 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,969 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,159 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 41,039 |
| U.S. States by Borders | 0 | - | 4.62 | 35,401 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 187,056 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,596 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,195 |
| Musical Acts by State | 0 | - | 4.05 | 19,599 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,294 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,737 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,094 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,790 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,933 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,386 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,785 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,166 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,303 |
| The Only European Country ... | 0 | - | 4.91 | 217,852 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,885 |
| Word Chain - France | 0 | - | 4.38 | 42,872 |
| Italian Foods | 0 | - | 4.30 | 73,032 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,531 |
