| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,265 |
| Vietnam War Countries | 0 | - | 4.82 | 94,551 |
| Click a Valid US State A-Z | 0 | - | 4.91 | 119,073 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,194 |
| US States Quiz | 0 | - | 5.00 | 16,978,520 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,592 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,460 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,241 |
| United States Map Quiz | 0 | - | 4.98 | 4,169,567 |
| US States with an Empty Map | 0 | - | 5.00 | 628,058 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,949 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,170 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,189 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,232 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,234 |
| U.S. States By Population | 0 | - | 4.92 | 154,072 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,126 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,831 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,798 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,502 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,029 |
| Draw All US State Borders | 0 | - | 4.99 | 140,330 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.91 | 68,042 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,640 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,929 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,052 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 71,612 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,027 |
| U.S. States Closest to Moscow | 0 | - | 4.50 | 48,234 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,374 |
| California... or Florida? | 0 | - | 4.60 | 51,812 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,740 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,553 |
| US States and State Capitals | 0 | - | 4.99 | 165,001 |
| Which City in California? | 0 | - | 4.56 | 32,142 |
| Random American Countries on a Map | 0 | - | 4.96 | 100,120 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,988 |
| U.S. State Flags | 0 | - | 4.89 | 172,557 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,875 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,829 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,447 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 61,198 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,638 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,265 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,438 |
| U.S. Senators by State | 0 | - | 4.44 | 40,089 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,782 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,520 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,275 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,112 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,616 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,756 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,412 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,990 |
| Languages of the Roman Empire with a Map | 0 | - | 4.94 | 60,984 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,553,856 |
| Colonies of the Americas in 1775 with a Map | 0 | - | 4.88 | 19,913 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,109 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,722,253 |
| New York City A-Z | 0 | - | 4.18 | 32,369 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,342 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,420 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,357 |
| Europe Map Quiz | 0 | - | 5.00 | 4,784,042 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,691,513 |
| Pixelated United States Map | 0 | - | 4.88 | 94,741 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,397,617 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,006 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,604 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,145 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,620 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,794 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,609 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,947 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,520 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,780 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,882 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,351 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,570 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,690 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,283 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,129 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,274 |
| Which City in New York State? | 0 | - | 4.60 | 16,047 |
| Which City in Texas? | 0 | - | 4.45 | 25,150 |
| Which City in Florida? | 0 | - | 4.61 | 11,026 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,087 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,020 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,531 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,504 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,608 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,622 |
| Africa Map Quiz | 0 | - | 5.00 | 2,127,321 |
| Asia Map Quiz | 0 | - | 4.99 | 924,134 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,139 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,375 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,360 |
| Rivers of the United States | 0 | - | 4.93 | 66,601 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,535 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 79,178 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,973 |
| New England States | 0 | - | 4.51 | 59,888 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,025 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,106 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,093 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,959 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,256 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,118 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,391 |
| U.S. States by Borders | 0 | - | 4.62 | 35,455 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 188,448 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 634,872 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,667 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,305 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,770 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,385 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,126 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,175 |
| California A-Z | 0 | - | 4.49 | 28,839 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,505 |
| Name a City - European Countries | 0 | - | 4.90 | 66,067 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,959 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,008 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,207 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,761 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,528 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,730 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,919 |
| The Only European Country ... | 0 | - | 4.91 | 218,665 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,696 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,348 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,879 |
| Countries of Africa | 0 | - | 5.00 | 2,556,093 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,690 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,631 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,752 |
| South America Flags Map Quiz | 0 | - | 4.95 | 88,805 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,367 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,825 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,502 |
| Australia Map Quiz | 0 | - | 4.95 | 345,989 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,986 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,159 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,345 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,891 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,538 |
| Africa Map with Random Merged Countries | 0 | - | 4.94 | 74,294 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,394 |
| Las Vegas Casinos | 0 | - | 4.13 | 38,138 |
| Hawaiian Islands | 0 | - | 4.83 | 42,913 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,919 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,086 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,481 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,049 |
| African East Coast | 0 | - | 4.96 | 96,664 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,607 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,318 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,556 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,368 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,110 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,865 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,701 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,765 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,917 |
| U.S. States with Spanish Names | 0 | - | 4.49 | 88,201 |
| Random U.S. Sports Team to State | 0 | - | 4.33 | 27,673 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,353 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,262 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,659 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,744 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,255,789 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,142 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,664 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,375 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,073 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 78,424 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,422 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,228 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,677 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,361 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,938 |
| Europe Capital to Country | 0 | - | 4.99 | 251,852 |
| Asia Capital to Country | 0 | - | 4.96 | 127,306 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,816 |
| European Capitals by Map | 0 | - | 4.99 | 141,865 |
| African Capitals by Map | 0 | - | 4.99 | 141,890 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,519 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,813 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,761 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,089 |
| European Coastal Capitals | 0 | - | 4.95 | 91,216 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,133 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,244 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,559 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,118 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,620 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,537 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,579 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,026 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,494 |
