| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,406 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,455 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,393 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,762 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,602 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,711 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,961 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,090 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,544 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,889 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,592 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,363 |
| US States Quiz | 0 | - | 5.00 | 16,701,682 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,278 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 10,829 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,401 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,794 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,282 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,452 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,736 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,791 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,506 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,539 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,738 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,367 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,423 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,676 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,918 |
| U.S. States By Population | 0 | - | 4.92 | 152,376 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,407 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,867 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,557 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,766 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,889 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 44,273 |
| US States with an Empty Map | 0 | - | 5.00 | 618,861 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,719 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,950 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,089 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,394 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,568 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 76,757 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,722 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,714 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,599 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,807 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,927 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,276 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,681 |
| Random U.S. City to State | 0 | - | 4.45 | 75,323 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,016 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,205 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,273 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,722 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,069 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,970 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,003 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,861 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,996 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,830 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,044 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,520 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,914 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,658 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,528 |
| Boroughs of New York City | 0 | - | 4.47 | 84,101 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,626 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,988 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,949 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,837 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,340 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,664 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,939 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,801 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,998 |
| States of Mexico | 0 | - | 4.95 | 173,351 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,152 |
| ALL California Cities | 0 | - | 4.37 | 42,815 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,388 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,456 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,474 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,858 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,362 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,035 |
| Pixelated United States Map | 0 | - | 4.89 | 93,486 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,075 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,636 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,214 |
| Countries with Megacities | 0 | - | 4.99 | 246,905 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,117 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,968 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,530 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,855 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 50,610 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,409 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,650 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,254 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,704 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,616 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,169 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,874 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,800 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,033 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,124 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,790 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,337 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,849 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,422 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,584 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,854 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,100 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,808 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,939 |
| New England States | 0 | - | 4.51 | 59,707 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,475 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,883 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,324 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,643 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,665 |
| U.S. States by Borders | 0 | - | 4.63 | 35,072 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,592 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,243 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,140 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,118 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,841 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,936 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,889 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,486 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,607 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,269 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,651 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,688 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,935 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,863 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,046 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,491 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,525 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,636 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,583 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,058 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,167 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,752 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,687 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,534 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 38,919 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,690 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,799 |
| American TV Show Settings | 0 | - | 4.35 | 30,586 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,603 |
| Name a City - European Countries | 0 | - | 4.92 | 64,397 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,277 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,928 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,561 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,151 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,010 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,834 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,875 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,663 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,553 |
| Biggest Cities in History | 0 | - | 4.52 | 89,129 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,120 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,281 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 68,199 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,279 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,439 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,634 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,471 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,193 |
| Belize Country Quiz | 0 | - | 4.85 | 20,807 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,055 |
| Flags of North and South America | 0 | - | 4.99 | 367,272 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,584 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,387 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,415 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,277 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,031 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,418 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,664 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 52,101 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.50 | 39,822 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,489 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,701 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,273 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,481 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,233 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,145 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,341 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,937 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,403 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,593 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,301 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,479 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,857 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,599 |
| Largest City by Island | 0 | - | 4.87 | 71,049 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,553 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,002 |
| Megacities on a World Map | 0 | - | 4.98 | 250,974 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,799 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,868 |
