| US States Quiz | 0 | - | 5.00 | 16,847,926 |
| Canada A-Z | 0 | - | 4.73 | 32,793 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,850 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,402 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,301 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,505 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,834 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,146 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,766 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,351 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,827 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,422 |
| Pixelated United States Map | 0 | - | 4.87 | 94,141 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,456 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,590 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,625 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,724 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,257 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,273 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,806 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,070 |
| U.S. States By Population | 0 | - | 4.92 | 153,415 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,287 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,367 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,139 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,522 |
| US States with an Empty Map | 0 | - | 5.00 | 623,750 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,127 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,227 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,676 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,467 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,653 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,381 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,848 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,000 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,289 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,253 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,987 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,915 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,385 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,682 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,031 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,028 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,026 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,716 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 53,574 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,292 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,078 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,250 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,061 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,603 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,552 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,489 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,880 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,855 |
| Africa A-Z | 0 | - | 4.57 | 46,582 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,275 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 746,576 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,433 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,482 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,484 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,523 |
| Middle East A-Z | 0 | - | 4.47 | 45,992 |
| States of Mexico | 0 | - | 4.95 | 175,702 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,584 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,691 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,862 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,189 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 52,722 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 48,736 |
| U.S. Geography by Letter - F | 0 | - | 3.87 | 44,985 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,459 |
| U.S. Geography by Letter - R | 0 | - | 4.18 | 30,968 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,450 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,475 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,567 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,163 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,897 |
| United States Country Quiz | 0 | - | 4.43 | 101,410 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,842 |
| People on Money - United States | 0 | - | 4.31 | 63,328 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,285 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,123 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,610 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,921 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,000 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,947 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,852 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,318 |
| New England States | 0 | - | 4.51 | 59,792 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,761 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,994 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,744 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,946 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,888 |
| U.S. States by Borders | 0 | - | 4.61 | 35,276 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,451 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,986 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,193 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,731 |
| South America A-Z | 0 | - | 4.13 | 10,897 |
| United States Map Quiz | 0 | - | 4.98 | 4,155,267 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,875 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,740 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,449 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,168 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,765 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,752 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,864 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,478 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,750 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,455 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,292 |
| European Geography A-Z | 0 | - | 4.29 | 49,221 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,032 |
| Flags of North and South America | 0 | - | 4.99 | 372,399 |
| Belize Country Quiz | 0 | - | 4.85 | 20,949 |
| Top U.S. Universities | 0 | - | 4.15 | 144,958 |
| Largest United States Airlines | 0 | - | 4.39 | 55,008 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,680 |
| U.S. States by Governor | 0 | - | 4.43 | 18,050 |
| U.S. Political Parties in History | 0 | - | 4.44 | 27,678 |
| U.S. Government Agencies | 0 | - | 4.44 | 19,656 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,298 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,466 |
| France A-Z | 0 | - | 4.16 | 38,185 |
| Switzerland A-Z | 0 | - | 4.45 | 25,627 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,708 |
| U.S. Geography by Letter - W | 0 | - | 3.86 | 23,372 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,519 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,098 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,128 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 42,056 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,621 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,335 |
| American Founding Fathers | 0 | - | 4.42 | 23,210 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,392 |
| California Groups of Things | 0 | - | 4.25 | 45,447 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,253 |
| New York Groups of Things | 0 | - | 4.37 | 63,377 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,427 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,014 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,811 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,511 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,008 |
| Flyover States | 0 | - | 4.52 | 29,494 |
| U.S. States With Double Letters | 0 | - | 4.54 | 24,095 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 76,096 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,325 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,088 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,486 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,491 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,611 |
| 50 States, 50 Cities - Easy Version | 0 | - | 4.39 | 128,311 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,708 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 119,048 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,275 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,489 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,716 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,683 |
| European Geography By Letter - A | 0 | - | 4.52 | 145,612 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,739 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,459 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,174 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,227 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,277 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,314 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,627 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,534 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,854 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,226 |
| European Geography By Letter - S #1 | 0 | - | 4.54 | 100,436 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,091 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,649 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,380 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,845 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,320 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,978 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,803 |
| Countries that Start with A | 0 | - | 4.98 | 2,160,146 |
| Countries that Start with B | 0 | - | 4.95 | 2,291,997 |
| Countries that Start with C | 0 | - | 4.96 | 1,820,115 |
| Countries that Start with D | 0 | - | 4.96 | 708,233 |
| Countries that Start with E | 0 | - | 4.95 | 1,375,579 |
| Countries that Start with G | 0 | - | 4.97 | 1,501,292 |
| Countries that Start with H | 0 | - | 4.96 | 603,620 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,747 |
| Countries that Start with J | 0 | - | 4.98 | 601,413 |
| Countries that Start with K | 0 | - | 4.97 | 814,757 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,488 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,472 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,920 |
| Countries that Start with S | 0 | - | 4.98 | 1,753,110 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,889 |
| Countries that Start with U | 0 | - | 4.97 | 903,718 |
| Countries that Start with V | 0 | - | 4.98 | 608,733 |
| Countries that Start with F | 0 | - | 4.83 | 616,707 |
| Countries that Start with M | 0 | - | 4.97 | 1,380,277 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,332 |
| African Geography A-Z | 0 | - | 4.33 | 21,472 |
