| Countries Similar to U.S. States by Population | 0 | - | 4.92 | 69,643 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,430 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,958 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,245 |
| US States Quiz | 0 | - | 5.00 | 16,683,745 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,117 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.94 | 50,898 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,157 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,381 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,627 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,654 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,352 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,467 |
| Boroughs of New York City | 0 | - | 4.47 | 84,067 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,423 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,282 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,106 |
| Draw All US State Borders | 0 | - | 4.99 | 133,245 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 64,653 |
| US States with an Empty Map | 0 | - | 5.00 | 618,297 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,579 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,480 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,816 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,786 |
| ALL California Cities | 0 | - | 4.36 | 42,802 |
| Random U.S. City to State | 0 | - | 4.45 | 75,215 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,132 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,225 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,383 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,492 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,501 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,576 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,965 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,761 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,849 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,716 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,918 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,770 |
| Every City in Arizona on a Map | 0 | - | 4.47 | 9,156 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,001 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,578 |
| Every City in Alabama on a Map | 0 | - | 4.71 | 8,339 |
| Every City in Michigan on a Map | 0 | - | 4.48 | 9,252 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.63 | 14,544 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,603 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,175 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.66 | 10,785 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,498 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,860 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,225 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,138 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,620 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,421 |
| Miami City Trivia | 0 | - | 4.60 | 11,184 |
| All About Atlanta | 0 | - | 4.60 | 11,205 |
| Dallas City Trivia | 0 | - | 4.46 | 6,771 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,516,743 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,061 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,323 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,108 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,428 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,380 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,338 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,898 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,637 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,833 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,313 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,912 |
| Countries with Megacities | 0 | - | 4.99 | 246,308 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,833 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,756 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,290 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,697 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 50,539 |
| Three Most Populous Countries By Each Letter | 0 | - | 4.99 | 86,848 |
| Biggest Countries by Combined Area and Population | 0 | - | 4.95 | 32,703 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,512 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,075 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,156 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,667 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,591 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,152 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,847 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,444 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,637 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,750 |
| Every City in Oregon on a Map | 0 | - | 4.27 | 10,411 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,449 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,573 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,836 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,012 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,775 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,312 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.44 | 10,562 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,836 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,340 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,209 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,304 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,776 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,663,061 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 77,404 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,186 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,379,196 |
| Every City in Texas on a Map | 0 | - | 4.36 | 14,874 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,044 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,745 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,744 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,781 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,412 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,515 |
| Shrinking U.S. States | 0 | - | 4.37 | 40,178 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,173 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,533 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,496 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,622 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,733 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,720 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,377 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,434 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,329 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,460 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,972 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,080 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,664 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,597 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,380 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 38,857 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,441 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,556 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,524 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,585 |
| Name a City - European Countries | 0 | - | 4.92 | 64,288 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,559 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,010 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,557 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,142 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,001 |
| Los Angeles City Quiz | 0 | - | 4.14 | 30,678 |
| Philadelphia Trivia | 0 | - | 4.26 | 21,939 |
| New Orleans City Trivia | 0 | - | 4.09 | 20,135 |
| Mexico True or False? | 0 | - | 4.89 | 48,161 |
| Rivers of the United States | 0 | - | 4.93 | 65,439 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,796 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,571 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,517 |
| Countries More Populous than All Their Neighbors Combined | 0 | - | 4.93 | 36,893 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,761 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,723 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,439 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,208 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,767 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,907 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,744 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,271 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,627 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,184 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,520 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 182,470 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,044 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,798 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,198 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,651 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,309 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,608 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,550 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,338 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,360 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,405 |
| U.S. States by Clue #1 | 0 | - | 4.52 | 38,547 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,629 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,420 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,153 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 49,731 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 37,100 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,247 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,414 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,655 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,248 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,455 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,265 |
| State Quiz - Florida | 0 | - | 4.47 | 61,902 |
| State Quiz - Texas | 0 | - | 4.43 | 62,458 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,530 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,013 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,303 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,224 |
| State Quiz - New York | 0 | - | 4.52 | 45,705 |
| State Quiz - Washington | 0 | - | 4.45 | 36,145 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,130 |
| State Quiz - California | 0 | - | 4.68 | 63,917 |
| State Quiz - Alaska | 0 | - | 4.42 | 41,771 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,471 |
| State Quiz - New Jersey | 0 | - | 4.42 | 37,856 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 48,584 |
| State Quiz - Tennessee | 0 | - | 4.54 | 33,879 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,085 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,092 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,193 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,788 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,315 |
