| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,701,410 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,686 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,508 |
| US States Quiz | 0 | - | 5.00 | 17,034,856 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,479 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,480 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 90,064 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,308 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,254 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 85,091 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,679 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,548 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,105 |
| US States with an Empty Map | 0 | - | 5.00 | 629,962 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,901 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,890 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,293 |
| Draw All US State Borders | 0 | - | 4.99 | 141,767 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,489 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,708 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,877 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,539 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,308 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 78,731 |
| Random U.S. City to State | 0 | - | 4.45 | 77,084 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,243 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,350 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,996 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,496 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 93,066 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 235,068 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,589 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,440 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,167 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 109,017 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,423 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,216 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,420 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,566 |
| Boroughs of New York City | 0 | - | 4.47 | 85,465 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,163 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,559,779 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,921 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 135,965 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,243 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,250 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,286 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,166 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,825 |
| ALL California Cities | 0 | - | 4.37 | 43,304 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,525 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,783 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,897 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,473 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.41 | 32,345 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,142 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,781 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,106 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,875 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,908 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,622 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,107 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,457,045 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,267 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,701 |
| Countries with Megacities | 0 | - | 4.99 | 268,256 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,335 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,432 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,681 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,556 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 52,162 |
| Three Most Populous Countries By Each Letter | 0 | - | 4.99 | 91,468 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,670 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,645 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,938 |
| U.S. City Nicknames | 0 | - | 4.26 | 103,900 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,295 |
| Every City in Arizona on a Map | 0 | - | 4.53 | 9,659 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,600 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,387 |
| Every City in Alabama on a Map | 0 | - | 4.74 | 8,727 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,842 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,884 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,393 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,833 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,477 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,486 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,696,803 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 79,571 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,400,561 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,390 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,449 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,452 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,455 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,135 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,657 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,798 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,222 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,044 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,573 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,473 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,419 |
| Biggest Cities in the United States | 0 | - | 4.94 | 990,021 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,705 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,732 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,522 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,926 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,781 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,637 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,570 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,692 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,138 |
| Miami City Trivia | 0 | - | 4.60 | 11,279 |
| All About Atlanta | 0 | - | 4.60 | 11,308 |
| Dallas City Trivia | 0 | - | 4.46 | 6,880 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,398 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,752 |
| Mexico True or False? | 0 | - | 4.89 | 49,097 |
| Rivers of the United States | 0 | - | 4.93 | 66,845 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,998 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,222 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,196 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,213 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,988 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,120 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,776 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,311 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,641 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,529 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,644 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,907 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,282 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,445 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,779 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,180 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,330 |
| Biggest Cities in History | 0 | - | 4.52 | 90,750 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,275 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 33,034 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 228,054 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,788 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,866 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 81,030 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,456 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,628 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,169 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,773 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,911 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,362 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,622 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,883 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,758 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 40,216 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,614 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,949 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,957 |
| Name a City - European Countries | 0 | - | 4.89 | 66,481 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,725 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,694 |
| US State Capitals - One Minute Sprint | 0 | - | 4.04 | 185,105 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,358 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,961 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,323 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,932 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,574 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,580 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,576 |
| U.S. States by Clue #1 | 0 | - | 4.50 | 45,672 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,911 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,787 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,955 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,157 |
| U.S. States with Spanish Names | 0 | - | 4.49 | 88,379 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,523 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,363 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,740 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,796 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,523 |
| Countries More Populous than All Their Neighbors Combined | 0 | - | 4.91 | 38,939 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,752 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 96,007 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,662 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,942 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,964 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,126 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,298 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,865 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,952 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,132 |
| Largest City by Island | 0 | - | 4.87 | 72,625 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,947 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,611 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,261 |
| Megacities on a World Map | 0 | - | 4.98 | 257,697 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,893 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,895 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,681 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,949 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 124,491 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,404 |
