| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,145 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,041 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,306 |
| US States Quiz | 0 | - | 5.00 | 16,692,969 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,160 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,222 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,422 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,689 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,729 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,439 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,497 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,352 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,289 |
| US States with an Empty Map | 0 | - | 5.00 | 618,558 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,658 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,537 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,878 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,935 |
| Random U.S. City to State | 0 | - | 4.45 | 75,287 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,174 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,529 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,601 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,592 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,012 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,847 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,926 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,790 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,954 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,806 |
| Boroughs of New York City | 0 | - | 4.47 | 84,077 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,599 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,342 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.66 | 10,808 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,553 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,906 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,485 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,291 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,703 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,517,746 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,438 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,433 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,129 |
| ALL California Cities | 0 | - | 4.36 | 42,809 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,386 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,404 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,917 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,819 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,493 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,481 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,000 |
| Countries with Megacities | 0 | - | 4.99 | 246,524 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,919 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,800 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,370 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,759 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 50,572 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,981 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 124,162 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,208 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,684 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,602 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,160 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,858 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,458 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,653 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,866 |
| Every City in Arizona on a Map | 0 | - | 4.47 | 9,183 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,009 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,594 |
| Every City in Alabama on a Map | 0 | - | 4.71 | 8,351 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,502 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,579 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,871 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,019 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,783 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,324 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,839 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,616 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,366 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,792 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,663,848 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,379,673 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,078 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,779 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,828 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,826 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,442 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,542 |
| Shrinking U.S. States | 0 | - | 4.37 | 40,189 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,207 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,600 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,590 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,782 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,802 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,911 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,443 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,483 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,483 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,528 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,023 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,130 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,713 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,639 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,484 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 38,890 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,136 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,686 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,531 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,594 |
| Name a City - European Countries | 0 | - | 4.92 | 64,341 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,434 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,925 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,544 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,559 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,143 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,003 |
| Miami City Trivia | 0 | - | 4.60 | 11,188 |
| All About Atlanta | 0 | - | 4.60 | 11,205 |
| Dallas City Trivia | 0 | - | 4.46 | 6,774 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,275 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,419 |
| Rivers of the United States | 0 | - | 4.93 | 65,482 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.12 | 22,757 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,836 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,624 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,532 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,779 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,742 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,460 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,226 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,032 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,918 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,782 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,275 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,434 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,629 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,211 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,525 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 182,546 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,050 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,800 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,661 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,314 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,634 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,563 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,368 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,391 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,409 |
| U.S. States by Clue #1 | 0 | - | 4.53 | 38,577 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,649 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,428 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,172 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 51,004 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 38,492 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,277 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,446 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,673 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,263 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,467 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,270 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,150 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,114 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,262 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,860 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,359 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,540 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,256 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,366 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,801 |
| Largest City by Island | 0 | - | 4.87 | 71,008 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,356 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,499 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,385 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,980 |
| Megacities on a World Map | 0 | - | 4.98 | 250,825 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,768 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,830 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,878 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,642 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 76,691 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.96 | 120,130 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,117 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,108 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,405 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,240 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,221 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,565 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,530 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,769 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,164 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,455 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,314 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,750 |
| Europe Capital to Country | 0 | - | 4.99 | 247,447 |
| Asia Capital to Country | 0 | - | 4.96 | 125,706 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,397 |
| European Capitals by Map | 0 | - | 4.99 | 136,145 |
| African Capitals by Map | 0 | - | 4.99 | 132,112 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,076 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,065 |
