| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,160 |
| Vietnam War Countries | 0 | - | 4.82 | 94,495 |
| Click a Valid US State A-Z | 0 | - | 4.91 | 118,721 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,109 |
| US States Quiz | 0 | - | 5.00 | 16,960,945 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,529 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,235 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,227 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,614 |
| US States with an Empty Map | 0 | - | 5.00 | 627,438 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,786 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,003 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,019 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,663 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,023 |
| U.S. States By Population | 0 | - | 4.92 | 153,960 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,986 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,756 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,707 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,441 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,954 |
| Draw All US State Borders | 0 | - | 4.99 | 139,847 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 67,793 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,093 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,773 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,887 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 71,470 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,941 |
| U.S. States Closest to Moscow | 0 | - | 4.50 | 48,204 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,136 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,642 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,538 |
| US States and State Capitals | 0 | - | 4.99 | 164,622 |
| Which City in California? | 0 | - | 4.56 | 32,132 |
| Random American Countries on a Map | 0 | - | 4.96 | 100,009 |
| U.S. State Flags | 0 | - | 4.89 | 172,147 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,798 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,764 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,184 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 61,045 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,499 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,026 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 135,273 |
| U.S. Senators by State | 0 | - | 4.44 | 40,062 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,613 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,328 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,148 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,761 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,509 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,130 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,331 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,491 |
| Languages of the Roman Empire with a Map | 0 | - | 4.94 | 60,859 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,551,979 |
| Colonies of the Americas in 1775 with a Map | 0 | - | 4.88 | 19,870 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,050 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,718,478 |
| New York City A-Z | 0 | - | 4.18 | 32,357 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,204 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,259 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,236 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,381 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,689,815 |
| Pixelated United States Map | 0 | - | 4.88 | 94,651 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,396,814 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,942 |
| California... or Florida? | 0 | - | 4.60 | 51,759 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,506 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,071 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,564 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,756 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,553 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,889 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,399 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,361 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,735 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,194 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,493 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,330 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,251 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,110 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,261 |
| Which City in New York State? | 0 | - | 4.60 | 16,035 |
| Which City in Texas? | 0 | - | 4.45 | 25,144 |
| Which City in Florida? | 0 | - | 4.61 | 11,018 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,967 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,899 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,456 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,316 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,027 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,820 |
| Africa Map Quiz | 0 | - | 5.00 | 2,125,825 |
| Asia Map Quiz | 0 | - | 4.99 | 922,913 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,039 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,276 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,330 |
| Rivers of the United States | 0 | - | 4.93 | 66,536 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,145 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 79,055 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,915 |
| New England States | 0 | - | 4.51 | 59,872 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,989 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,087 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,030 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,954 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,220 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,085 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,370 |
| U.S. States by Borders | 0 | - | 4.61 | 35,432 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 187,942 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 632,770 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,637 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,256 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,680 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,299 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,088 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,132 |
| California A-Z | 0 | - | 4.49 | 28,826 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.94 | 52,202 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,497 |
| Name a City - European Countries | 0 | - | 4.90 | 65,955 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,085 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,170 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,179 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,598 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,250 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,608 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,714 |
| The Only European Country ... | 0 | - | 4.91 | 218,320 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,411 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,129 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,828 |
| Countries of Africa | 0 | - | 5.00 | 2,552,668 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,603 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,542 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,184 |
| South America Flags Map Quiz | 0 | - | 4.95 | 88,676 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,245 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,676 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,410 |
| Australia Map Quiz | 0 | - | 4.95 | 345,736 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,692 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,117 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,972 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,323 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,879 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,528 |
| Africa Map with Random Merged Countries | 0 | - | 4.94 | 74,177 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,352 |
| Las Vegas Casinos | 0 | - | 4.13 | 38,120 |
| Hawaiian Islands | 0 | - | 4.83 | 42,854 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,896 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,048 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,460 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 65,997 |
| African East Coast | 0 | - | 4.96 | 96,542 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,579 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,297 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,543 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,331 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,070 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,848 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,670 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,714 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,718 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 88,133 |
| Random U.S. Sports Team to State | 0 | - | 4.33 | 27,577 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,294 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,219 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,632 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,718 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,253,611 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,166 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,350 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,317 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,988 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 78,330 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,387 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,196 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,662 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,253 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,798 |
| Europe Capital to Country | 0 | - | 4.99 | 251,598 |
| Asia Capital to Country | 0 | - | 4.96 | 127,204 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,658 |
| European Capitals by Map | 0 | - | 4.99 | 141,435 |
| African Capitals by Map | 0 | - | 4.99 | 141,489 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,905 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,618 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,646 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,990 |
| European Coastal Capitals | 0 | - | 4.95 | 91,098 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,075 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,760 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,314 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,057 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,440 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,535 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,568 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,939 |
