| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,989 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,483 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,685 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,947 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,347 |
| US States Quiz | 0 | - | 5.00 | 16,932,223 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,929 |
| States of Mexico | 0 | - | 4.96 | 177,092 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,270 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,177 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,966 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,131 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,970 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,467 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,717 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,625 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,618 |
| Pixelated United States Map | 0 | - | 4.88 | 94,520 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,049 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,073 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,352 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,186 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,797 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,731 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,427 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,749 |
| U.S. States By Population | 0 | - | 4.92 | 153,812 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,803 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,636 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,576 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,357 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,837 |
| Canada Country Quiz | 0 | - | 4.54 | 132,740 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,407 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,264 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,785 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,912 |
| US States with an Empty Map | 0 | - | 5.00 | 626,439 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,005 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,650 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,502 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,622 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,859 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,627 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,396 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,047 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,412 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,050 |
| Flags of North and South America | 0 | - | 4.99 | 374,810 |
| Belize Country Quiz | 0 | - | 4.85 | 21,025 |
| O Canada Lyrics | 0 | - | 4.47 | 50,993 |
| Canada Provinces and Territories | 0 | - | 5.00 | 344,180 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,191 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,693 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,602 |
| California Groups of Things | 0 | - | 4.25 | 45,604 |
| New York Groups of Things | 0 | - | 4.35 | 68,307 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,526 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,430 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,954 |
| Capital Cities Chain | 0 | - | 4.84 | 83,038 |
| Word Chain - Australia | 0 | - | 4.38 | 38,183 |
| The Only American Country ... | 0 | - | 4.92 | 121,886 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,623 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,223 |
| Names of Generations | 0 | - | 4.09 | 45,263 |
| United States Country Quiz | 0 | - | 4.43 | 101,812 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,982 |
| Movies by State | 0 | - | 4.27 | 40,575 |
| Canada A-Z | 0 | - | 4.73 | 32,906 |
| Ontario Cities Map Quiz | 0 | - | 4.64 | 19,506 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,652 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,090 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,439 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,901 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,650 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,491 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,606 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,467 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,741 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,199 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,806 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,568 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,720 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,279 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,312 |
| States of Brazil | 0 | - | 4.97 | 88,831 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,838 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,641 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,595 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,337 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,651 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,430 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,128 |
| Random U.S. City to State | 0 | - | 4.45 | 76,639 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,324 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,962 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,612 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,125 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,057 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 59,981 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,428 |
| New England States | 0 | - | 4.51 | 59,850 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,923 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,050 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,953 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,148 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 41,025 |
| U.S. States by Borders | 0 | - | 4.61 | 35,396 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,567 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,179 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 39,156 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,285 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,711 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,326 |
| Canadian Islands on the Map | 0 | - | 4.40 | 20,066 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,501 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,671 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,949 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,517 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,746 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,904 |
| Word Chain - France | 0 | - | 4.38 | 42,866 |
| Italian Foods | 0 | - | 4.30 | 73,005 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,476 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,217 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,344 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,711 |
| Name a Valid African Country | 0 | - | 4.98 | 154,501 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,984 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,710 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,894 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,794 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,256 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,611 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,172 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,693 |
| Top U.S. Universities | 0 | - | 4.15 | 145,448 |
| Largest United States Airlines | 0 | - | 4.39 | 55,090 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,482 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,048 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,323 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,750 |
| U.S. States by Governor | 0 | - | 4.43 | 18,084 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,722 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,720 |
| Florida Pro Sport Teams | 0 | - | 4.61 | 11,869 |
| Events in U.S. History | 0 | - | 4.41 | 28,732 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,012 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,923 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,550 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,258 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,584 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,526 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,193 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,131 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,867 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,979 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,601 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,690 |
| Musical Acts by State | 0 | - | 4.05 | 19,595 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,921 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,880 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,366 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,892 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,046 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,688 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,535 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,802 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,758 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,020 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,332 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,694,033 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,357 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,210 |
| NHL Hockey Teams in Canada | 0 | - | 4.35 | 35,099 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,150 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,524 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,897 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,444 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,255 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,288 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,346 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,369 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,329 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,067 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,216 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,530 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,380 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,542 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 36,276 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,424 |
| South American Geography Quiz #2 | 0 | - | 4.37 | 42,072 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,497 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,943 |
| Panama Country Quiz | 0 | - | 4.61 | 25,871 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,644 |
| Antigua and Barbuda Country Quiz | 0 | - | 4.68 | 22,142 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,501 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,807 |
