| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,497 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,499 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,566 |
| States of Mexico | 0 | - | 4.95 | 174,042 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 53,218 |
| States of Brazil | 0 | - | 4.98 | 86,785 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,344 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,232 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,501 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,893 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,008 |
| Last Names by Country of Origin | 0 | - | 4.63 | 156,045 |
| Flags of North and South America | 0 | - | 4.99 | 368,926 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,848 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,509 |
| NFL Football Last Names | 0 | - | 4.43 | 170,755 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,051 |
| The Only American Country ... | 0 | - | 4.92 | 121,004 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,313 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,577 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,229 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,998 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,798 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,409 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,117 |
| US States Quiz | 0 | - | 5.00 | 16,744,434 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,743 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,308 |
| Name a Valid African Country | 0 | - | 4.98 | 153,194 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,268 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,029 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,373 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,545 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,414 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,850 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,642 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,038 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,834 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,606 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,788 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,149 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,725 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,634 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,770 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,576 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,000 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,807 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,255 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 487,173 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 710,402 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,140 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.91 | 80,235 |
| South American Physical Geography | 0 | - | 4.58 | 18,292 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,435 |
| Pixelated United States Map | 0 | - | 4.89 | 93,673 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,762 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,069 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,544 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,619 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,049 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,676 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,696 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,055 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,281 |
| U.S. States By Population | 0 | - | 4.92 | 152,611 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,684 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,030 |
| US States with an Empty Map | 0 | - | 5.00 | 620,240 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,771 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,881 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,090 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,552 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,993 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,229 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,573 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,508 |
| MLB Baseball Last Names | 0 | - | 4.32 | 18,980 |
| Famous Child Stars by Last Name | 0 | - | 4.15 | 13,448 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,866 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,207 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,356 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,072 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,882 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,645 |
| California Groups of Things | 0 | - | 4.25 | 45,307 |
| New York Groups of Things | 0 | - | 4.38 | 59,990 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,294 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,525 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,882 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,218 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,078 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,910 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,323 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,246 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,071 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,638 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,051 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,264 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 210,355 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,096 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,864 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,823 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,370 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,834 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,949 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,915 |
| South America A-Z | 0 | - | 4.13 | 10,853 |
| Belize Country Quiz | 0 | - | 4.85 | 20,843 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,087 |
| Movies by State | 0 | - | 4.27 | 40,465 |
| Europe Map Quiz | 0 | - | 5.00 | 4,739,453 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,060 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,702 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,016 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,055 |
| German Groups of Things | 0 | - | 4.46 | 38,350 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,160 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,366 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,382 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,177 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,623 |
| Most Popular Boy Names in the U.S. 2024 | 0 | - | 4.06 | 176,516 |
| Africa Map Quiz | 0 | - | 5.00 | 2,107,675 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,022 |
| Australian Capitals | 0 | - | 4.92 | 62,616 |
| Word Chain - Australia | 0 | - | 4.37 | 38,044 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,758 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,282 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,499 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,106 |
| United States Country Quiz | 0 | - | 4.43 | 100,825 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,681 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 38,965 |
| Canada Country Quiz | 0 | - | 4.55 | 131,917 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,756 |
| Canada A-Z | 0 | - | 4.73 | 32,696 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,743 |
| Official European Union Languages | 0 | - | 4.97 | 237,318 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,124 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,926 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,678 |
| Asia Map Quiz | 0 | - | 4.99 | 908,984 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,731 |
| World City Nicknames Quiz | 0 | - | 4.19 | 35,494 |
| Political Figures by Last Name #1 | 0 | - | 4.55 | 67,576 |
| Actors by Last Name #1 | 0 | - | 4.28 | 68,279 |
| Actresses by Last Name #1 | 0 | - | 4.25 | 63,487 |
| Actors by Last Name #2 | 0 | - | 4.01 | 58,787 |
| Countries of Africa | 0 | - | 5.00 | 2,515,054 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,045 |
| African East Coast | 0 | - | 4.96 | 95,301 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,191 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,999 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,049 |
| Australia Map Quiz | 0 | - | 4.94 | 342,912 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,907 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,395 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,094 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,340 |
| History of Mexico | 0 | - | 4.58 | 15,245 |
| Word Chain - South America | 0 | - | 4.51 | 23,793 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,204 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,271 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,423 |
| Chile Country Quiz | 0 | - | 4.75 | 39,822 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,682 |
| Peru Country Quiz | 0 | - | 4.54 | 48,407 |
| United States Map Quiz | 0 | - | 4.98 | 4,145,507 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 744,230 |
| Random U.S. City to State | 0 | - | 4.45 | 75,511 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,188 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,798 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,674 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,225 |
| New England States | 0 | - | 4.51 | 59,731 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,556 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,918 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,463 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,735 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,727 |
| U.S. States by Borders | 0 | - | 4.63 | 35,141 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 183,314 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,299 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,478 |
| Musical Acts by State | 0 | - | 4.05 | 19,562 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,046 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,189 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,141 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,654 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,382 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,538 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,825 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,459 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,639 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,994 |
| The Only European Country ... | 0 | - | 4.91 | 214,589 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,995 |
| Word Chain - France | 0 | - | 4.38 | 42,633 |
| Italian Foods | 0 | - | 4.31 | 72,329 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,358 |
