| US States Quiz | 0 | - | 5.00 | 16,971,017 |
| Canada A-Z | 0 | - | 4.73 | 32,944 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,387 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,225 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,361 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,982 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,062 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,632 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,390 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,845 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,277 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,826 |
| Pixelated United States Map | 0 | - | 4.88 | 94,709 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,361 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,313 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,620 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,900 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,129 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,127 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,162 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,155 |
| U.S. States By Population | 0 | - | 4.92 | 154,033 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,077 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,804 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,482 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,001 |
| US States with an Empty Map | 0 | - | 5.00 | 627,800 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,353 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,047 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,428 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,164 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,340 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,956 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,863 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,983 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,974 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,471 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,762 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 193,700 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,727 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,340 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,441 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,471 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,447 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,163 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,344 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,585 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,475 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,639 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 36,782 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,539 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,295 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,741 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,355 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,701 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,164 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,671 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,192 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,605 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,902 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,908 |
| Africa A-Z | 0 | - | 4.57 | 46,750 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,721 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,334 |
| Middle East A-Z | 0 | - | 4.47 | 46,215 |
| States of Mexico | 0 | - | 4.96 | 177,815 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,486 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,086 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,839 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,547 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 53,035 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 49,043 |
| U.S. Geography by Letter - F | 0 | - | 3.84 | 45,311 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,773 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,779 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,690 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,656 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,265 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,999 |
| United States Country Quiz | 0 | - | 4.43 | 102,063 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,035 |
| People on Money - United States | 0 | - | 4.31 | 63,416 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,564 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,954 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,297 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,165 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,324 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,107 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,074 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,508 |
| New England States | 0 | - | 4.51 | 59,882 |
| U.S. States by Land Area | 0 | - | 4.63 | 53,016 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,101 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,067 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,243 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,102 |
| U.S. States by Borders | 0 | - | 4.62 | 35,444 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,657 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,286 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,411 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,935 |
| South America A-Z | 0 | - | 4.15 | 10,940 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,750 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,095 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,037 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,599 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,310 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,909 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,070 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,956 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,560 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,827 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,153 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,354 |
| European Geography A-Z | 0 | - | 4.29 | 49,447 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,631 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,463 |
| Flags of North and South America | 0 | - | 4.99 | 376,165 |
| Belize Country Quiz | 0 | - | 4.85 | 21,064 |
| Top U.S. Universities | 0 | - | 4.15 | 145,679 |
| Largest United States Airlines | 0 | - | 4.39 | 55,133 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,937 |
| U.S. States by Governor | 0 | - | 4.43 | 18,109 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,753 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,760 |
| Events in U.S. History | 0 | - | 4.41 | 28,792 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,927 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,784 |
| France A-Z | 0 | - | 4.16 | 38,317 |
| Switzerland A-Z | 0 | - | 4.45 | 25,751 |
| U.S. Geography by Letter - W | 0 | - | 3.86 | 23,684 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,698 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,269 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,461 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,833 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,840 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,449 |
| American Founding Fathers | 0 | - | 4.42 | 23,267 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,659 |
| California Groups of Things | 0 | - | 4.26 | 45,727 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,312 |
| New York Groups of Things | 0 | - | 4.39 | 71,784 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,570 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,185 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 75,015 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,558 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,749 |
| Flyover States | 0 | - | 4.52 | 29,579 |
| U.S. States With Double Letters | 0 | - | 4.55 | 24,233 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,443 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,172 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,553 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,648 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,738 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,910 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,950 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 119,285 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,410 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,648 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.74 | 63,977 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,804 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,722 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,098 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,205 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,107 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,757 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,114 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,878 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,395 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,611 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,322 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,228 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,386 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,986 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,604 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,127 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,592 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,253 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,215 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,982 |
| Countries that Start with A | 0 | - | 4.98 | 2,172,970 |
| Countries that Start with B | 0 | - | 4.95 | 2,303,971 |
| Countries that Start with C | 0 | - | 4.96 | 1,829,520 |
| Countries that Start with D | 0 | - | 4.96 | 715,010 |
| Countries that Start with E | 0 | - | 4.95 | 1,383,453 |
| Countries that Start with G | 0 | - | 4.97 | 1,509,794 |
| Countries that Start with H | 0 | - | 4.96 | 608,587 |
| Countries that Start with I | 0 | - | 4.92 | 1,293,287 |
| Countries that Start with J | 0 | - | 4.98 | 606,030 |
| Countries that Start with K | 0 | - | 4.97 | 819,759 |
| Countries that Start with L | 0 | - | 4.98 | 1,095,534 |
| Countries that Start with N | 0 | - | 4.93 | 1,122,566 |
| Countries that Start with P | 0 | - | 4.94 | 1,220,839 |
| Countries that Start with S | 0 | - | 4.98 | 1,761,431 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,915 |
| Countries that Start with U | 0 | - | 4.97 | 907,718 |
| Countries that Start with V | 0 | - | 4.98 | 611,444 |
| Countries that Start with F | 0 | - | 4.83 | 620,538 |
| Countries that Start with M | 0 | - | 4.97 | 1,386,917 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,510 |
