| States of Mexico | 0 | - | 4.95 | 175,254 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,701 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,512 |
| States of Brazil | 0 | - | 4.97 | 87,380 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,489 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,683,342 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,898 |
| South America Flags Map Quiz | 0 | - | 4.95 | 87,485 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,909 |
| Hawaiian Islands | 0 | - | 4.83 | 42,613 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,241 |
| U.S. State Flags | 0 | - | 4.89 | 169,389 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,357 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,662 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,680 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,765 |
| Star-Spangled Banner Lyrics | 0 | - | 4.36 | 179,130 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,834 |
| Europe Map Quiz | 0 | - | 5.00 | 4,751,302 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,679 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.56 | 101,619 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,462 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,540 |
| Countries of Africa | 0 | - | 5.00 | 2,526,666 |
| Africa Map Quiz | 0 | - | 5.00 | 2,113,016 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,466 |
| African East Coast | 0 | - | 4.96 | 95,691 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,518 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,674 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,372 |
| Australian Capitals | 0 | - | 4.92 | 62,684 |
| Australia Map Quiz | 0 | - | 4.95 | 343,588 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,691 |
| History of Mexico | 0 | - | 4.58 | 15,286 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,292 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,543 |
| South American Physical Geography | 0 | - | 4.58 | 18,323 |
| Word Chain - South America | 0 | - | 4.51 | 23,861 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,675 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,676 |
| United States Map Quiz | 0 | - | 4.98 | 4,150,955 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 624,260 |
| O Canada Lyrics | 0 | - | 4.47 | 50,903 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,500 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,532 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,302 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,943 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,698 |
| Official European Union Languages | 0 | - | 4.97 | 237,940 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,501 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,831 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,615 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,111 |
| The Only European Country ... | 0 | - | 4.91 | 215,673 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,582 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 66,989 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,716 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,445,453 |
| Asia Map Quiz | 0 | - | 4.99 | 913,075 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,457 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,248 |
| 1980s Celebrities by Picture #1 | 0 | - | 3.97 | 61,396 |
| States of India | 0 | - | 4.94 | 192,209 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,802 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,215 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,241 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,484 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,054 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,876 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,970 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,570 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,998 |
| The Only African Country ... | 0 | - | 4.98 | 128,842 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,006 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,472 |
| African Island Countries | 0 | - | 4.96 | 101,318 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,902 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,554 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,870 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,062 |
| Flags of Oceania | 0 | - | 5.00 | 257,675 |
| Australian States and Territories | 0 | - | 4.96 | 141,535 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,053 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,191 |
| Australia True or False | 0 | - | 4.87 | 56,735 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,394 |
| Flags of North and South America | 0 | - | 4.99 | 371,282 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,475 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,694 |
| The Only American Country ... | 0 | - | 4.92 | 121,306 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,849 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,127 |
| South America Map Quiz | 0 | - | 5.00 | 1,546,306 |
| Famous People from South America | 0 | - | 4.15 | 21,903 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,267 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,279 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,616 |
| North America Map Quiz | 0 | - | 4.98 | 247,259 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,475 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,702 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,307 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,042 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,609 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,273 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,013 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,383 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,175 |
| Top 10 U.S. Swing States in the 2024 Election | 0 | - | 4.51 | 75,100 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,434 |
| U.S. Presidents by Event | 0 | - | 4.58 | 34,120 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,483 |
| Presidential Middle Names | 0 | - | 4.41 | 60,039 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,104 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,342 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,901 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,320 |
| Georgia Counties | 0 | - | 4.50 | 49,351 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,623 |
| New York Counties | 0 | - | 4.65 | 50,331 |
| Texas Counties | 0 | - | 4.55 | 76,560 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,763 |
| North Carolina Counties | 0 | - | 4.54 | 53,059 |
| Ohio Counties | 0 | - | 4.47 | 45,698 |
| Pennsylvania Counties | 0 | - | 4.49 | 52,532 |
| Virginia Counties | 0 | - | 4.45 | 33,151 |
| West Virginia Counties | 0 | - | 4.63 | 33,704 |
| The American Civil War | 0 | - | 4.62 | 52,340 |
| US States Quiz | 0 | - | 5.00 | 16,811,708 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 39,503 |
| Satellite Images - U.S. States | 0 | - | 4.53 | 45,082 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,365 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 41,898 |
| Cartoon Versions of U.S. States | 0 | - | 4.77 | 63,773 |
| U.S. States by Nickname | 0 | - | 4.57 | 69,448 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,710 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,597 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,979 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,847 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,754 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,344 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,237,970 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 96,949 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,023 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,314 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,856 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,587 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,872 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,138 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,895 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,749 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,187 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,773 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,752 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,084 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,386 |
| Monarchies of Europe | 0 | - | 4.90 | 97,841 |
| European Countries with One Border | 0 | - | 4.97 | 182,359 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,198 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 77,333 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,606 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,737 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,564 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,884 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,625 |
| Slavic Countries | 0 | - | 4.96 | 111,394 |
| Federal Subjects of Russia | 0 | - | 4.95 | 145,883 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,646 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,997 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,409 |
| States of Germany | 0 | - | 4.96 | 151,596 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,257 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,779 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,840 |
| Regions of Italy | 0 | - | 4.92 | 75,421 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,496 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,480 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,921 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,765 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,478 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,903 |
| Counties of England | 0 | - | 4.97 | 793,892 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,570 |
| Champions League Winners | 0 | - | 4.92 | 1,002,648 |
| Flags of Asia Quiz | 0 | - | 4.99 | 610,520 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,006 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,288 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,405 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,866 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,732 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,673 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,533 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,152 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,949 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,040 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,164 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,838 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,922 |
| Monarchies of Asia | 0 | - | 4.97 | 70,914 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,657 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,731 |
