| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,926 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,807 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,659 |
| States of Mexico | 0 | - | 4.95 | 175,067 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,470 |
| States of Brazil | 0 | - | 4.97 | 87,300 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,418 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,278 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,537 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,300 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,183 |
| Last Names by Country of Origin | 0 | - | 4.64 | 156,237 |
| Flags of North and South America | 0 | - | 4.99 | 370,900 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,482 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,600 |
| NFL Football Last Names | 0 | - | 4.43 | 171,216 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,227 |
| The Only American Country ... | 0 | - | 4.92 | 121,260 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,355 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,894 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,430 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,305 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,973 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,476 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,190 |
| US States Quiz | 0 | - | 5.00 | 16,799,374 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,288 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,895 |
| Name a Valid African Country | 0 | - | 4.98 | 153,548 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,551 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,288 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,642 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,731 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,637 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,156 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,636 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,283 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,969 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,731 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 65,968 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,121 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,935 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,311 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,227 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,086 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,456 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,160 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,581 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 487,982 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 711,318 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,251 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,497 |
| South American Physical Geography | 0 | - | 4.58 | 18,317 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,570 |
| Pixelated United States Map | 0 | - | 4.89 | 93,905 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,131 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,361 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,211 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,814 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,467 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,010 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,025 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,509 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,729 |
| U.S. States By Population | 0 | - | 4.92 | 152,868 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,010 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,226 |
| US States with an Empty Map | 0 | - | 5.00 | 621,988 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,030 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,030 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,358 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,214 |
| Countries Closest to Canada | 0 | - | 4.91 | 197,850 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,128 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,607 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,671 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,551 |
| MLB Baseball Last Names | 0 | - | 4.19 | 19,011 |
| Famous Child Stars by Last Name | 0 | - | 4.15 | 13,474 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,590 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,349 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,448 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,291 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,024 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,969 |
| California Groups of Things | 0 | - | 4.25 | 45,348 |
| New York Groups of Things | 0 | - | 4.38 | 60,038 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,359 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,575 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,202 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,086 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,327 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,205 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,643 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,481 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,252 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,750 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,505 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,667 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,407 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,337 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,031 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,954 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,366 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,574 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,913 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,051 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,927 |
| South America A-Z | 0 | - | 4.13 | 10,877 |
| Belize Country Quiz | 0 | - | 4.85 | 20,903 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,149 |
| Movies by State | 0 | - | 4.27 | 40,508 |
| Europe Map Quiz | 0 | - | 5.00 | 4,749,329 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,164 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,817 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,098 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,141 |
| German Groups of Things | 0 | - | 4.46 | 38,402 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,931 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,436 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,465 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,207 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,672 |
| Most Popular Boy Names in the U.S. 2024 | 0 | - | 4.06 | 176,681 |
| Africa Map Quiz | 0 | - | 5.00 | 2,112,208 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,237 |
| Australian Capitals | 0 | - | 4.92 | 62,673 |
| Word Chain - Australia | 0 | - | 4.37 | 38,089 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,761 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,290 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,534 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,146 |
| United States Country Quiz | 0 | - | 4.43 | 101,159 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,782 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 39,027 |
| Canada Country Quiz | 0 | - | 4.54 | 132,180 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,956 |
| Canada A-Z | 0 | - | 4.73 | 32,741 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,903 |
| Official European Union Languages | 0 | - | 4.97 | 237,839 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,423 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,886 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,812 |
| Asia Map Quiz | 0 | - | 4.99 | 912,042 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,831 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,547 |
| Political Figures by Last Name #1 | 0 | - | 4.55 | 67,733 |
| Actors by Last Name #1 | 0 | - | 4.28 | 68,438 |
| Actresses by Last Name #1 | 0 | - | 4.25 | 63,600 |
| Actors by Last Name #2 | 0 | - | 4.01 | 58,900 |
| Countries of Africa | 0 | - | 5.00 | 2,524,615 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,388 |
| African East Coast | 0 | - | 4.96 | 95,631 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,462 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,023 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,295 |
| Australia Map Quiz | 0 | - | 4.94 | 343,500 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,012 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,496 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,256 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 36,957 |
| History of Mexico | 0 | - | 4.58 | 15,278 |
| Word Chain - South America | 0 | - | 4.51 | 23,851 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,328 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,503 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,521 |
| Chile Country Quiz | 0 | - | 4.75 | 39,930 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,765 |
| Peru Country Quiz | 0 | - | 4.54 | 48,517 |
| United States Map Quiz | 0 | - | 4.98 | 4,150,037 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 745,590 |
| Names of Generations | 0 | - | 4.11 | 40,481 |
| Random U.S. City to State | 0 | - | 4.45 | 75,850 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,595 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,877 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,778 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,263 |
| New England States | 0 | - | 4.51 | 59,765 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,687 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,962 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,608 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,867 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,819 |
| U.S. States by Borders | 0 | - | 4.61 | 35,224 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 184,426 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,385 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,877 |
| Musical Acts by State | 0 | - | 4.05 | 19,572 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,107 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,332 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,341 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,511 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,168 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,532 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,559 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,796 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,502 |
| The Only European Country ... | 0 | - | 4.91 | 215,491 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,495 |
| Word Chain - France | 0 | - | 4.38 | 42,703 |
