| California A-Z | 0 | - | 4.49 | 28,851 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,682 |
| Random U.S. States on a Map | 0 | - | 4.96 | 630,760 |
| New York City A-Z | 0 | - | 4.18 | 32,392 |
| US States Quiz | 0 | - | 5.00 | 17,007,336 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,926 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,582 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,236 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,773 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,766 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,187 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,328 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,351 |
| US States with an Empty Map | 0 | - | 5.00 | 629,074 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,126 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,339 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,363 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,421 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,446 |
| U.S. States By Population | 0 | - | 4.92 | 154,201 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,295 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,930 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,119 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,909 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,564 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,147 |
| U.S. Senators by State | 0 | - | 4.44 | 40,117 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,102 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,272 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,724 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,852 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,681 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 68,016 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,717 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,339 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,930 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,091 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,509 |
| Vietnam War Countries | 0 | - | 4.82 | 94,689 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,523 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,064 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,474 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,265 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,377 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,481 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,548 |
| Chicago A-Z | 0 | - | 4.25 | 15,554 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 108,867 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,079 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,488 |
| U.S. State Flags | 0 | - | 4.89 | 173,171 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,171 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,831 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,537 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,662 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,428 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,920 |
| Which City in California? | 0 | - | 4.56 | 32,169 |
| Monarchies of Europe | 0 | - | 4.90 | 98,943 |
| Monarchies of Asia | 0 | - | 4.97 | 71,548 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,318 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,998 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,920 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,799 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,556,837 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,576 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,690 |
| States that Beat California | 0 | - | 4.54 | 63,902 |
| States that Beat Texas | 0 | - | 4.58 | 44,528 |
| States that Beat New York | 0 | - | 4.50 | 45,315 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,057 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,060 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,439 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,496 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,803 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,123 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,244 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,602 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,790 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,467 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,720 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,843 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,405 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,515 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,890 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,973 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,866 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,782 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,638 |
| Scotland A-Z | 0 | - | 4.73 | 41,475 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,532 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,828 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.46 | 119,356 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,747 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,857 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,047 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,469 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,195 |
| California... or Florida? | 0 | - | 4.60 | 51,878 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,694 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,770 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 65,022 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,460 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.74 | 64,054 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,834 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,852 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,136 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,768 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,351 |
| Which City in Texas? | 0 | - | 4.45 | 25,168 |
| Which City in Florida? | 0 | - | 4.61 | 11,034 |
| Hindu Countries | 0 | - | 4.86 | 50,612 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,163 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,297 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,481 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,077 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,323 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,630 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,504 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,356 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,755 |
| Europe Map Quiz | 0 | - | 5.00 | 4,790,335 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,417 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,694,011 |
| Pixelated United States Map | 0 | - | 4.89 | 94,852 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,399,075 |
| States that Beat Florida | 0 | - | 4.32 | 41,009 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,348 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 80,483 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,044 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,583 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,160 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,182 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,908 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,622 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,204 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,649 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,234 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,570 |
| Russia A-Z | 0 | - | 4.46 | 27,319 |
| Australia A-Z | 0 | - | 4.54 | 50,150 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,877 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,804 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,595 |
| Asia Map Quiz | 0 | - | 4.99 | 925,844 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,202 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 61,019 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,376 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,347 |
| U.S. Map with Random Merged States | 0 | - | 4.94 | 304,073 |
| Hawaiian Islands | 0 | - | 4.83 | 42,975 |
| Rivers of the United States | 0 | - | 4.93 | 66,728 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,109 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,967 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,162 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,280 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,375 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.75 | 35,123 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,123 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.44 | 70,658 |
| Top 10 U.S. States People are Moving To | 0 | - | 4.74 | 64,221 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,803 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,669 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.70 | 61,277 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,281 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,989 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,576 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,842 |
| New England States | 0 | - | 4.51 | 59,906 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,162 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,086 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,552 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,127 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,180 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,304 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,161 |
| U.S. States by Borders | 0 | - | 4.62 | 35,493 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 189,040 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 636,338 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,697 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,365 |
| A Superlative for Every U.S. State | 0 | - | 4.44 | 28,234 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.62 | 45,278 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,459 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,948 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.74 | 33,243 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,840 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,488 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,525 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,878 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 91,399 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 85,299 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,597 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 83,109 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 60,305 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,394 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,884 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 18,144 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,559 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,095 |
