| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,354 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,810 |
| States of Brazil | 0 | - | 4.97 | 87,849 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,739 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,330 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,568 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,741 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,044 |
| States of Mexico | 0 | - | 4.95 | 175,812 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,999 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,689 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,489 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,530 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,568 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,913 |
| Countries that Beat Canada | 0 | - | 4.90 | 94,122 |
| Flags of North and South America | 0 | - | 4.99 | 372,633 |
| South American Physical Geography | 0 | - | 4.58 | 18,335 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,527 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,429 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,659 |
| Last Names by Country of Origin | 0 | - | 4.63 | 156,435 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,005 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,252 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,394 |
| NFL Football Last Names | 0 | - | 4.43 | 171,461 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,315 |
| The Only American Country ... | 0 | - | 4.92 | 121,524 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,547 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,227 |
| US States Quiz | 0 | - | 5.00 | 16,856,963 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,848 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,198 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,709 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,609 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,147 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,257 |
| Name a Valid African Country | 0 | - | 4.98 | 153,952 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,370 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,796 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,098 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,484 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,645 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,361 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,856 |
| South America A-Z | 0 | - | 4.13 | 10,899 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,464 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,746 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,609 |
| Chile Country Quiz | 0 | - | 4.75 | 40,029 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,845 |
| Peru Country Quiz | 0 | - | 4.54 | 48,635 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,881 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,517 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,670 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,588 |
| Pixelated United States Map | 0 | - | 4.87 | 94,185 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,541 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,664 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,102 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,842 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,173 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,682 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,770 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,305 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,336 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,865 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,138 |
| U.S. States By Population | 0 | - | 4.92 | 153,481 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,343 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,393 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,234 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,172 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,559 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,335 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,229 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,000 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,615 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,946 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,957 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,610 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,553 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,749 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 109,907 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,714 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,908 |
| Which South American Country? | 0 | - | 4.69 | 51,923 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,143 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,314 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,007 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,602 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,510 |
| US States with an Empty Map | 0 | - | 5.00 | 624,008 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,685 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,422 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,910 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,071 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,650 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,601 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,818 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 488,901 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 712,379 |
| MLB Baseball Last Names | 0 | - | 4.19 | 19,057 |
| Famous Child Stars by Last Name | 0 | - | 4.15 | 13,499 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,143 |
| Guyana Country Quiz | 0 | - | 4.50 | 22,789 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,588 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,272 |
| Suriname Country Quiz | 0 | - | 4.61 | 19,807 |
| Belize Country Quiz | 0 | - | 4.85 | 20,958 |
| Names of Generations | 0 | - | 4.09 | 44,712 |
| California Groups of Things | 0 | - | 4.25 | 45,460 |
| New York Groups of Things | 0 | - | 4.35 | 63,492 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,434 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,701 |
| Movies by State | 0 | - | 4.27 | 40,533 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,587 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,543 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,918 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,868 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,233 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,043 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,957 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,053 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,941 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 39,084 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,719 |
| Europe Map Quiz | 0 | - | 5.00 | 4,759,685 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,247 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,913 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,199 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,216 |
| German Groups of Things | 0 | - | 4.46 | 38,467 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,172 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,498 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,536 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,241 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,883 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,716 |
| Most Popular Boy Names in the U.S. 2024 | 0 | - | 4.06 | 177,219 |
| Africa Map Quiz | 0 | - | 5.00 | 2,116,599 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,579 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,049 |
| Australian Capitals | 0 | - | 4.92 | 62,714 |
| Word Chain - Australia | 0 | - | 4.38 | 38,133 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,372 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,837 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,772 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,390 |
| History of Mexico | 0 | - | 4.58 | 15,303 |
| South American Cities on the Map | 0 | - | 4.53 | 35,406 |
| Word Chain - South America | 0 | - | 4.51 | 23,889 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,300 |
| United States Map Quiz | 0 | - | 4.98 | 4,156,400 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,574 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 746,755 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,164 |
| United States Country Quiz | 0 | - | 4.43 | 101,440 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,857 |
| Random U.S. City to State | 0 | - | 4.45 | 76,212 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,064 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,955 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,867 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,327 |
| New England States | 0 | - | 4.51 | 59,800 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,781 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,001 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,766 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,974 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,905 |
| U.S. States by Borders | 0 | - | 4.61 | 35,291 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 185,472 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,465 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,010 |
| Musical Acts by State | 0 | - | 4.05 | 19,588 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,200 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,489 |
| Canada Country Quiz | 0 | - | 4.54 | 132,424 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 124,143 |
| Canada A-Z | 0 | - | 4.73 | 32,801 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,073 |
| Official European Union Languages | 0 | - | 4.97 | 238,351 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,751 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,651 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,913 |
| Word Chain - France | 0 | - | 4.38 | 42,766 |
| Italian Foods | 0 | - | 4.30 | 72,734 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,450 |
| British Groups of Things | 0 | - | 4.25 | 82,858 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,031 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,695 |
| Asia Map Quiz | 0 | - | 4.99 | 915,860 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,943 |
| Biblical Names Still Popular Today | 0 | - | 4.28 | 51,381 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,575 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,154 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,727 |
| Political Figures by Last Name #1 | 0 | - | 4.56 | 67,963 |
| NBA Players by Last Name | 0 | - | 4.30 | 84,685 |
| Actors by Last Name #1 | 0 | - | 4.28 | 68,541 |
