| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,753 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,986 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,260 |
| US States Quiz | 0 | - | 5.00 | 16,688,099 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,127 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,187 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,400 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,648 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,691 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,388 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,479 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,309 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,172 |
| US States with an Empty Map | 0 | - | 5.00 | 618,419 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,615 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,499 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,843 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,861 |
| Random U.S. City to State | 0 | - | 4.45 | 75,251 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,151 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,506 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,534 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,579 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,977 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,803 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,889 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,747 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,937 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,787 |
| Boroughs of New York City | 0 | - | 4.47 | 84,070 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,499 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,270 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.66 | 10,796 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,519 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,883 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,348 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,192 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,641 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,517,028 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,196 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,353 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,120 |
| ALL California Cities | 0 | - | 4.36 | 42,804 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,383 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,359 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,905 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,700 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,148 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,401 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,960 |
| Countries with Megacities | 0 | - | 4.99 | 246,413 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,874 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,776 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,330 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,731 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 50,554 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,751 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 124,119 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,175 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,675 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,595 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,159 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,852 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,451 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,643 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,794 |
| Every City in Arizona on a Map | 0 | - | 4.47 | 9,159 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,003 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,588 |
| Every City in Alabama on a Map | 0 | - | 4.71 | 8,342 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,466 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,577 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,846 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,014 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,779 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,315 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,837 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,607 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,331 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,782 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,663,424 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,379,373 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,058 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,763 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,784 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,800 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,429 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,530 |
| Shrinking U.S. States | 0 | - | 4.37 | 40,184 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,194 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,570 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,549 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,704 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,771 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,820 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,412 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,456 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,415 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,493 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,991 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,103 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,686 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,620 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,448 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 38,871 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,789 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,600 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,528 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,586 |
| Name a City - European Countries | 0 | - | 4.92 | 64,316 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,428 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,751 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,245 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,558 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,142 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,002 |
| Miami City Trivia | 0 | - | 4.60 | 11,184 |
| All About Atlanta | 0 | - | 4.60 | 11,205 |
| Dallas City Trivia | 0 | - | 4.46 | 6,772 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,244 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,396 |
| Rivers of the United States | 0 | - | 4.93 | 65,452 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.12 | 22,754 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,813 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,588 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,521 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,768 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,735 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,448 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,214 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,887 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,911 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,759 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,273 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,430 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,628 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,188 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,521 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 182,495 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,044 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,799 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,653 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,312 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,617 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,558 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,350 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,375 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,406 |
| U.S. States by Clue #1 | 0 | - | 4.53 | 38,561 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,637 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,421 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,159 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 49,733 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 37,107 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,262 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,425 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,660 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,252 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,460 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,266 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,112 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,103 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,229 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,826 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,338 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,515 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,246 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,310 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,764 |
| Largest City by Island | 0 | - | 4.87 | 70,986 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,336 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,458 |
| Biggest European Cities by Century | 0 | - | 4.98 | 141,281 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,974 |
| Megacities on a World Map | 0 | - | 4.98 | 250,720 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,747 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,798 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,795 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,577 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 76,654 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.96 | 120,077 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,095 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,072 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,373 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,219 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,202 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,553 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,518 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,751 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,149 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,452 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,289 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,713 |
| Europe Capital to Country | 0 | - | 4.99 | 247,390 |
| Asia Capital to Country | 0 | - | 4.96 | 125,675 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,362 |
| European Capitals by Map | 0 | - | 4.99 | 136,084 |
| African Capitals by Map | 0 | - | 4.99 | 132,092 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,001 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,039 |
