| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,682,851 |
| US States Quiz | 0 | - | 5.00 | 16,777,758 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,069 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,708 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,013 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,247 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,068 |
| US States with an Empty Map | 0 | - | 5.00 | 621,331 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,007 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,842 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,398 |
| Draw All US State Borders | 0 | - | 4.99 | 135,288 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,316 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,078 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,498 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,978 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,678 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,746 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,509 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,606 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,795 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,828 |
| US States and State Capitals | 0 | - | 4.99 | 160,181 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,527,095 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,824 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,988 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,980 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,260 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,579 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,833 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,717 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,271 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,998 |
| Random U.S. City to State | 0 | - | 4.45 | 75,727 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,438 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,671,701 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,385,292 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,215 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,079 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,687 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,727 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,601 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,454 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,352 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,016 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,864 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,628 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 10,992 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,994 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,895 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,640 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,376 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,039 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,613 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,006 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,230 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,587 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,192 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,027 |
| Boroughs of New York City | 0 | - | 4.47 | 84,324 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,926 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,694 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,585 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,590 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,773 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,503 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,228 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,276 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,523 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,762 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,146 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,313 |
| ALL California Cities | 0 | - | 4.37 | 42,929 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,425 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,895 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,648 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,121 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,849 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,430 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,902 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,727 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,388 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,757 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,448 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 38,814 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,202 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,334 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,232 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,624 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,637 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,582 |
| U.S. States with Exactly One Major Pro Sports Team | 0 | - | 3.91 | 18,414 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,702 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,849 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,384 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,544 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,317 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,818 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,818 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,256 |
| Countries with Megacities | 0 | - | 4.99 | 248,893 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,109 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,534 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,465 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,485 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 51,005 |
| Biggest Cities in the World | 0 | - | 4.91 | 793,935 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,110 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,830 |
| Cities on Interstate 95 on a Map | 0 | - | 4.48 | 23,400 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,586 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,743 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,432 |
| Every City in Arizona on a Map | 0 | - | 4.48 | 9,264 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,103 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,727 |
| Every City in Alabama on a Map | 0 | - | 4.71 | 8,407 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,382 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,670 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,815 |
| Regions of U.S. States | 0 | - | 4.37 | 43,651 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,941 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,358 |
| U.S. States by Unofficial Motto | 0 | - | 4.47 | 23,062 |
| Shrinking U.S. States | 0 | - | 4.38 | 40,280 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,345 |
| Biggest Cities in the United States | 0 | - | 4.93 | 971,771 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,817 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,425 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,306 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,331 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,674 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,539 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,555 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,972 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,714 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,967 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,711 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,596 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,990 |
| Miami City Trivia | 0 | - | 4.60 | 11,213 |
| All About Atlanta | 0 | - | 4.60 | 11,225 |
| Dallas City Trivia | 0 | - | 4.46 | 6,803 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,786 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,747 |
| Rivers of the United States | 0 | - | 4.93 | 65,818 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,239 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,264 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,976 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,279 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,872 |
| U.S. States Richer than Their Neighbors | 0 | - | 4.43 | 27,299 |
| Top 10 U.S. States With the Most Endemic Species | 0 | - | 4.50 | 22,432 |
| U.S. States with the Most National Parks | 0 | - | 4.65 | 25,538 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 27,993 |
| U.S States with the Most Cows | 0 | - | 4.63 | 29,654 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,888 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,415 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,267 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,880 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,315 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,075 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,077 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,621 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,144 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,386 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,275 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,446 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,709 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,008 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,934 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,429 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,096 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,418 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,497 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,032 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,077 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,261 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,305 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,207 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,482 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,710 |
| Name a City - European Countries | 0 | - | 4.91 | 64,818 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,322 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,561 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 183,190 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,120 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,838 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,221 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,743 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,510 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,594 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,188 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,563 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,624 |
| State Quiz - Florida | 0 | - | 4.47 | 62,120 |
| State Quiz - Texas | 0 | - | 4.43 | 62,676 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,668 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,155 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,423 |
