| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,083 |
| States of Brazil | 0 | - | 4.98 | 86,577 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,327 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,424 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,627 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,210 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,482 |
| States of Mexico | 0 | - | 4.95 | 173,658 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,468 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,386 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,307 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,140 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,318 |
| Peru Country Quiz | 0 | - | 4.54 | 48,359 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,714 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,929 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,542 |
| Flags of North and South America | 0 | - | 4.99 | 368,128 |
| South American Physical Geography | 0 | - | 4.58 | 18,280 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,846 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,708 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,967 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,027 |
| The Only American Country ... | 0 | - | 4.92 | 120,853 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,379 |
| US States Quiz | 0 | - | 5.00 | 16,721,327 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,467 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,468 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,153 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,819 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,702 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,190 |
| Name a Valid African Country | 0 | - | 4.98 | 153,067 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,159 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,933 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,251 |
| South America A-Z | 0 | - | 4.13 | 10,843 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,156 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,197 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,399 |
| Chile Country Quiz | 0 | - | 4.75 | 39,778 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,647 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,232 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,748 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,249 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,528 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,774 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,564 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,696 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,801 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,447 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,376 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,218 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,387 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,829 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,669 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,152 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,104 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,154 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,582 |
| Which South American Country? | 0 | - | 4.69 | 51,749 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,840 |
| Pixelated United States Map | 0 | - | 4.89 | 93,582 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,606 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,950 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,532 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,398 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,859 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,478 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,521 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,815 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,067 |
| U.S. States By Population | 0 | - | 4.92 | 152,470 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,522 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,942 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,698 |
| US States with an Empty Map | 0 | - | 5.00 | 619,495 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,638 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,803 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,962 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,161 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,993 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,455 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 94,872 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,077 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,084 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,993 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,546 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,485 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,471 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,270 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 486,815 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 709,947 |
| Guyana Country Quiz | 0 | - | 4.49 | 22,628 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,434 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,124 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,075 |
| Suriname Country Quiz | 0 | - | 4.60 | 19,692 |
| California Groups of Things | 0 | - | 4.25 | 45,286 |
| New York Groups of Things | 0 | - | 4.38 | 59,964 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,269 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,950 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,979 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,789 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,184 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,596 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,664 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,294 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,828 |
| Last Names by Country of Origin | 0 | - | 4.64 | 155,964 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,820 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,699 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,899 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,911 |
| Belize Country Quiz | 0 | - | 4.85 | 20,826 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,091 |
| Movies by State | 0 | - | 4.27 | 40,453 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 38,943 |
| Europe Map Quiz | 0 | - | 5.00 | 4,734,826 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,023 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,655 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,980 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,017 |
| German Groups of Things | 0 | - | 4.46 | 38,323 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,065 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,344 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,354 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,171 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,283 |
| Most Popular Boy Names in the U.S. 2024 | 0 | - | 4.06 | 176,430 |
| NFL Football Last Names | 0 | - | 4.43 | 170,611 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,802 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,121 |
| Australian Capitals | 0 | - | 4.92 | 62,601 |
| Word Chain - Australia | 0 | - | 4.37 | 38,025 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,755 |
| South American Cities on the Map | 0 | - | 4.57 | 35,258 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,276 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,487 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,092 |
| United States Country Quiz | 0 | - | 4.43 | 100,712 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,640 |
| Canada Country Quiz | 0 | - | 4.55 | 131,821 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,689 |
| Canada A-Z | 0 | - | 4.73 | 32,671 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,660 |
| Official European Union Languages | 0 | - | 4.97 | 237,109 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,939 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,555 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,892 |
| Asia Map Quiz | 0 | - | 4.99 | 907,944 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,684 |
| World City Nicknames Quiz | 0 | - | 4.19 | 35,477 |
| Political Figures by Last Name #1 | 0 | - | 4.55 | 67,499 |
| Actors by Last Name #1 | 0 | - | 4.28 | 68,223 |
| Actresses by Last Name #1 | 0 | - | 4.25 | 63,444 |
| Actors by Last Name #2 | 0 | - | 4.01 | 58,747 |
| Countries that Beat India | 0 | - | 4.41 | 62,621 |
| Countries of Africa | 0 | - | 5.00 | 2,511,122 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,911 |
| African East Coast | 0 | - | 4.96 | 95,162 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,033 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,100 |
| Countries that Beat South Africa | 0 | - | 4.69 | 42,097 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,987 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,916 |
| Australia Map Quiz | 0 | - | 4.94 | 342,700 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,786 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,291 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,035 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,326 |
| History of Mexico | 0 | - | 4.58 | 15,238 |
| Word Chain - South America | 0 | - | 4.51 | 23,770 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,611 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,958 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,221 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,602 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,889 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,384 |
| Top U.S. Universities | 0 | - | 4.15 | 144,199 |
| Largest United States Airlines | 0 | - | 4.39 | 54,857 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,603 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,630 |
| Names of Generations | 0 | - | 4.01 | 22,341 |
| Random U.S. City to State | 0 | - | 4.45 | 75,435 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,013 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,768 |
| U.S. States by Governor | 0 | - | 4.43 | 17,991 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,588 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,562 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,628 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,768 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,209 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,509 |
| New England States | 0 | - | 4.51 | 59,715 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,687 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,464 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,523 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,897 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,302 |
