| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,990 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 55,101 |
| States of Brazil | 0 | - | 4.98 | 90,137 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,890 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,942 |
| Asian Last Names in the United States | 0 | - | 4.43 | 47,036 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,814 |
| States of Mexico | 0 | - | 4.96 | 178,932 |
| Brazil States Map Quiz | 0 | - | 4.87 | 48,778 |
| South American Geography Quiz #2 | 0 | - | 4.40 | 44,407 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,080 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,816 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,385 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 50,000 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,997 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,166 |
| Flags of North and South America | 0 | - | 4.99 | 378,466 |
| South American Physical Geography | 0 | - | 4.58 | 18,415 |
| Countries that Beat Brazil | 0 | - | 4.50 | 69,374 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,721 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 70,049 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,451 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,881 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,796 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,441 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,507 |
| NFL Football Last Names | 0 | - | 4.43 | 172,183 |
| The Only American Country ... | 0 | - | 4.92 | 122,401 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,378 |
| US States Quiz | 0 | - | 5.00 | 17,031,384 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,972 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,357 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,637 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,517 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,764 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,939 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,679 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 95,782 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,994 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,898 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,835 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,652 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,665 |
| South America A-Z | 0 | - | 4.15 | 10,962 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,900 |
| Brazil Country Quiz | 0 | - | 4.52 | 102,542 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,887 |
| Chile Country Quiz | 0 | - | 4.75 | 40,365 |
| Ecuador Country Quiz | 0 | - | 4.60 | 32,062 |
| Peru Country Quiz | 0 | - | 4.54 | 49,005 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,628 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,617 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,220 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,525 |
| Pixelated United States Map | 0 | - | 4.89 | 95,032 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,808 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,655 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,503 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,194 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,852 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,087 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,247 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,488 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,502 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,583 |
| U.S. States that Start with M | 0 | - | 4.94 | 188,643 |
| U.S. States By Population | 0 | - | 4.92 | 154,304 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,429 |
| U.S. States with Longest Names | 0 | - | 4.85 | 45,017 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 89,017 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,619 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,249 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,677 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,716 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,492 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,454 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,392 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,330 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,612 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,193 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,321 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,635 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,999 |
| Name a Valid Asian Country | 0 | - | 4.98 | 122,014 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,657 |
| Name a Valid African Country | 0 | - | 4.98 | 155,356 |
| Which South American Country? | 0 | - | 4.69 | 52,158 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,477 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,454 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,535 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,727 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,493 |
| US States with an Empty Map | 0 | - | 5.00 | 629,853 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,617 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,137 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,466 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,676 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,798 |
| Countries that Beat Portugal | 0 | - | 4.86 | 60,039 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,409 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,614 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 492,622 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 716,752 |
| MLB Baseball Last Names | 0 | - | 4.19 | 19,185 |
| Famous Child Stars by Last Name | 0 | - | 4.15 | 13,563 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,490 |
| Guyana Country Quiz | 0 | - | 4.50 | 22,975 |
| Venezuela Country Quiz | 0 | - | 4.51 | 30,793 |
| Paraguay Country Quiz | 0 | - | 4.54 | 25,441 |
| Suriname Country Quiz | 0 | - | 4.61 | 19,964 |
| Belize Country Quiz | 0 | - | 4.85 | 21,128 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,327 |
| Names of Generations | 0 | - | 4.09 | 45,627 |
| California Groups of Things | 0 | - | 4.26 | 45,815 |
| New York Groups of Things | 0 | - | 4.39 | 72,414 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,640 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,967 |
| Movies by State | 0 | - | 4.27 | 40,622 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,104 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,756 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 93,038 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,303 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,246 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,554 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,969 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 39,254 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,237 |
| Europe Map Quiz | 0 | - | 5.00 | 4,795,080 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,590 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,260 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,532 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,488 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,588 |
| German Groups of Things | 0 | - | 4.47 | 38,684 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,995 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,698 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,783 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,392 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 281,127 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,122 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,752 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,929 |
| Most Popular Boy Names in the U.S. 2024 | 0 | - | 4.05 | 178,312 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,785 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,156 |
| Australian Capitals | 0 | - | 4.92 | 62,884 |
| Word Chain - Australia | 0 | - | 4.38 | 38,270 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,178 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,640 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,803 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,855 |
| History of Mexico | 0 | - | 4.52 | 15,381 |
| South American Cities on the Map | 0 | - | 4.52 | 35,591 |
| Word Chain - South America | 0 | - | 4.51 | 24,029 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,314 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,292 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,702 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 750,533 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,301 |
| United States Country Quiz | 0 | - | 4.43 | 102,389 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,117 |
| Random U.S. City to State | 0 | - | 4.45 | 77,068 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,809 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,218 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,179 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,571 |
| New England States | 0 | - | 4.51 | 59,916 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,125 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,142 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,254 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,352 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,201 |
| U.S. States by Borders | 0 | - | 4.61 | 35,522 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 189,419 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,732 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,418 |
| Musical Acts by State | 0 | - | 4.05 | 19,614 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,493 |
| Canadian Prime Ministers | 0 | - | 4.64 | 58,043 |
| Canada Country Quiz | 0 | - | 4.55 | 133,223 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,721 |
| Canada A-Z | 0 | - | 4.73 | 33,003 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,887 |
| Official European Union Languages | 0 | - | 4.97 | 240,455 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,877 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,961 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,561 |
| Word Chain - France | 0 | - | 4.38 | 42,972 |
| Italian Foods | 0 | - | 4.30 | 73,428 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,606 |
| British Groups of Things | 0 | - | 4.26 | 83,049 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,135 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,700 |
| Asia Map Quiz | 0 | - | 4.99 | 927,186 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,271 |
| Africa Map Quiz | 0 | - | 5.00 | 2,131,390 |
| Biblical Names Still Popular Today | 0 | - | 4.28 | 51,671 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,716 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,396 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,918 |
