| Countries Similar to U.S. States by Population | 0 | - | 4.92 | 69,643 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,451 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,960 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,247 |
| US States Quiz | 0 | - | 5.00 | 16,684,074 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,118 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.94 | 50,899 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,160 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,383 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,631 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,659 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,353 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,469 |
| Boroughs of New York City | 0 | - | 4.47 | 84,067 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,449 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,284 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,113 |
| Draw All US State Borders | 0 | - | 4.99 | 133,256 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 64,655 |
| US States with an Empty Map | 0 | - | 5.00 | 618,307 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,580 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,483 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,817 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,791 |
| ALL California Cities | 0 | - | 4.36 | 42,802 |
| Random U.S. City to State | 0 | - | 4.45 | 75,235 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,133 |
| 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 | 206,502 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,577 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,965 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,762 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,852 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,718 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,920 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,771 |
| Every City in Arizona on a Map | 0 | - | 4.47 | 9,157 |
| 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 | 8,340 |
| Every City in Michigan on a Map | 0 | - | 4.48 | 9,253 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.63 | 14,544 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,604 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,193 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.66 | 10,786 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,499 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,861 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,230 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,144 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,622 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,422 |
| 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 | 3,516,777 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,063 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,326 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,108 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,429 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,381 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,341 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,899 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,645 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,864 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,325 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,915 |
| Countries with Megacities | 0 | - | 4.99 | 246,316 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,839 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,759 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,292 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,699 |
| 5 Largest Cities for Every Letter on Map | 0 | - | 4.97 | 50,539 |
| Three Most Populous Countries By Each Letter | 0 | - | 4.99 | 86,850 |
| Biggest Countries by Combined Area and Population | 0 | - | 4.95 | 32,705 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,538 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,077 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,158 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,668 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,591 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,153 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,849 |
| 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 | 104,754 |
| Every City in Oregon on a Map | 0 | - | 4.27 | 10,412 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,451 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,573 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,837 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,014 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,777 |
| 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 | 145,306 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,778 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,663,089 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 77,408 |
| 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 | 1,379,215 |
| Every City in Texas on a Map | 0 | - | 4.36 | 14,875 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,046 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,745 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,751 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,786 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,413 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,516 |
| Shrinking U.S. States | 0 | - | 4.37 | 40,178 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,174 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,537 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,509 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,632 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,740 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,732 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,382 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,438 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,339 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,463 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,976 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,081 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,669 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,599 |
| 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 | 38,861 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,476 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,559 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,524 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,586 |
| Name a City - European Countries | 0 | - | 4.92 | 64,289 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,572 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,023 |
| 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 | 26,001 |
| 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 | 48,162 |
| Rivers of the United States | 0 | - | 4.93 | 65,439 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,797 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,572 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,518 |
| Countries More Populous than All Their Neighbors Combined | 0 | - | 4.93 | 36,898 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,763 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,725 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,440 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,209 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,778 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,907 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,745 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,271 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,628 |
| 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 | 182,471 |
| 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 | 57,609 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,550 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,339 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,362 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,405 |
| U.S. States by Clue #1 | 0 | - | 4.52 | 38,550 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,630 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,421 |
| 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 | 37,101 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,248 |
| 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 | 87,249 |
| 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 | 61,907 |
| State Quiz - Texas | 0 | - | 4.43 | 62,459 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,530 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,013 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,304 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,224 |
| State Quiz - New York | 0 | - | 4.52 | 45,706 |
| State Quiz - Washington | 0 | - | 4.45 | 36,146 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,132 |
| State Quiz - California | 0 | - | 4.68 | 63,917 |
| State Quiz - Alaska | 0 | - | 4.42 | 41,771 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,472 |
| State Quiz - New Jersey | 0 | - | 4.42 | 37,857 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 48,584 |
| State Quiz - Tennessee | 0 | - | 4.54 | 33,880 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,090 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,092 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,195 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,790 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,315 |
