| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,017 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,879 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,022 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,245 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,747 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,039 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,440 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,406 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,830 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,991 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,085 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,091 |
| US States Quiz | 0 | - | 5.00 | 16,779,358 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,128 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 10,995 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,728 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,996 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,719 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,800 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,022 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,267 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,086 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,834 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,355 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,925 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,922 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,366 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,592 |
| U.S. States By Population | 0 | - | 4.92 | 152,789 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,892 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,166 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,955 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,978 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,257 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,322 |
| US States with an Empty Map | 0 | - | 5.00 | 621,379 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,330 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,513 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,290 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,592 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,962 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 77,131 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,148 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,123 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,754 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,942 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,983 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,317 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,077 |
| Random U.S. City to State | 0 | - | 4.45 | 75,729 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,106 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,444 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,221 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,766 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,522 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,747 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,615 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,467 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,355 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,019 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,420 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,714 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,968 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,711 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,599 |
| Boroughs of New York City | 0 | - | 4.47 | 84,327 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,280 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,533 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,848 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,164 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,368 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,056 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,269 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,191 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,577 |
| States of Mexico | 0 | - | 4.95 | 174,690 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,315 |
| ALL California Cities | 0 | - | 4.37 | 42,933 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,425 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,904 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,012 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,248 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,177 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,731 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,813 |
| Pixelated United States Map | 0 | - | 4.89 | 93,813 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,941 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,844 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,271 |
| Countries with Megacities | 0 | - | 4.99 | 248,940 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,126 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,544 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,483 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,499 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,009 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,027 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,796 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,585 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,836 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,717 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,274 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,005 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,081 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,087 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,152 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,853 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,430 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,904 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,821 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,136 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,119 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,412 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,943 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,201 |
| New England States | 0 | - | 4.51 | 59,755 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,633 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,950 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,560 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,822 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,789 |
| U.S. States by Borders | 0 | - | 4.63 | 35,191 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 183,879 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,362 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,820 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,423 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,272 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,900 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,329 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,082 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,084 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,627 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,156 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,409 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,297 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,458 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,749 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,024 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,948 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,382 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,107 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,428 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,504 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,038 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,082 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,274 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,215 |
| Biggest Cities in the United States | 0 | - | 4.93 | 971,897 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,840 |
| American TV Show Settings | 0 | - | 4.35 | 30,611 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,675 |
| Name a City - European Countries | 0 | - | 4.91 | 64,830 |
| All 3,142 County Seats of the United States on a Map | 0 | - | 4.30 | 11,947 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,608 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,030 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,587 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,193 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,027 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,872 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,219 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,082 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,693 |
| Biggest Cities in History | 0 | - | 4.52 | 89,375 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,216 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,476 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,312 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,331 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,483 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,710 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,500 |
| All Cities in Canada on a Map | 0 | - | 4.41 | 18,370 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,610 |
| Belize Country Quiz | 0 | - | 4.85 | 20,880 |
| Saint Vincent and the Grenadines Country Quiz | 0 | - | 4.88 | 19,122 |
| Flags of North and South America | 0 | - | 4.99 | 370,161 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,696 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,586 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,599 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,366 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,104 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,449 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,775 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,639 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,677 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,724 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,851 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,384 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,547 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,784 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,336 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,853 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,353 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,725 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,904 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,607 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,505 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,430 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,017 |
| Largest City by Island | 0 | - | 4.87 | 71,407 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,963 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,148 |
