| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,162 |
| Vietnam War Countries | 0 | - | 4.82 | 94,496 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,113 |
| US States Quiz | 0 | - | 5.00 | 16,961,442 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,532 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,247 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,229 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,690 |
| US States with an Empty Map | 0 | - | 5.00 | 627,463 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,793 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,011 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,026 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,671 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,028 |
| U.S. States By Population | 0 | - | 4.92 | 153,961 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,991 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,758 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,715 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,444 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,955 |
| Draw All US State Borders | 0 | - | 4.99 | 139,858 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,110 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,779 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,890 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,945 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,175 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,645 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,538 |
| Which City in California? | 0 | - | 4.56 | 32,134 |
| U.S. State Flags | 0 | - | 4.89 | 172,162 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,802 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,765 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,196 |
| U.S. Senators by State | 0 | - | 4.44 | 40,063 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,618 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,333 |
| US States and State Capitals | 0 | - | 4.99 | 164,631 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,155 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,768 |
| Random American Countries on a Map | 0 | - | 4.96 | 100,009 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,148 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,334 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,523 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 61,049 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,503 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,552,160 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,037 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,279 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,053 |
| New York City A-Z | 0 | - | 4.18 | 32,359 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,263 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,238 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,497 |
| Pixelated United States Map | 0 | - | 4.88 | 94,652 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,944 |
| 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 | 178,075 |
| 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 | 69,757 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,558 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,892 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,718,591 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,400 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,372 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,739 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,199 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,496 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,251 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,111 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,262 |
| 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 | 146,969 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,208 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,323 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,051 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,850 |
| Africa Map Quiz | 0 | - | 5.00 | 2,125,884 |
| Asia Map Quiz | 0 | - | 4.99 | 922,970 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,281 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,330 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,159 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,689,898 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,919 |
| New England States | 0 | - | 4.51 | 59,872 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,396,843 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,993 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,092 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,032 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,223 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,086 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,371 |
| U.S. States by Borders | 0 | - | 4.61 | 35,432 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 187,983 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 632,896 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,637 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,258 |
| California A-Z | 0 | - | 4.49 | 28,827 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,123 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,203 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,487 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,610 |
| Countries of Africa | 0 | - | 5.00 | 2,552,765 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,543 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,901 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,458 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,198 |
| South America Flags Map Quiz | 0 | - | 4.95 | 88,676 |
| Australia Map Quiz | 0 | - | 4.95 | 345,743 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,702 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,118 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,972 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,323 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,042 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,353 |
| Las Vegas Casinos | 0 | - | 4.13 | 38,121 |
| Hawaiian Islands | 0 | - | 4.83 | 42,857 |
| Rivers of the United States | 0 | - | 4.93 | 66,538 |
| 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 | 65,461 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,000 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,581 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,297 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,072 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,954 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,684 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,302 |
| 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 | 62,133 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,253,668 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,198 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,357 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,319 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,993 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 78,335 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,389 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,200 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,256 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,805 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,497 |
| Name a City - European Countries | 0 | - | 4.90 | 65,957 |
| Europe Capital to Country | 0 | - | 4.99 | 251,602 |
| Asia Capital to Country | 0 | - | 4.96 | 127,209 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,664 |
| European Capitals by Map | 0 | - | 4.99 | 141,458 |
| African Capitals by Map | 0 | - | 4.99 | 141,502 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,624 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,650 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,992 |
| European Coastal Capitals | 0 | - | 4.95 | 91,103 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,077 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,769 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,324 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,059 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,181 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,441 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,535 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,262 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,596 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,614 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,726 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,196 |
| Countries of the Middle East | 0 | - | 4.96 | 202,251 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,930 |
| The Only European Country ... | 0 | - | 4.91 | 218,327 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,421 |
| Slavic Countries | 0 | - | 4.96 | 112,177 |
| African Island Countries | 0 | - | 4.96 | 102,233 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,137 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,833 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,078 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,063 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,513 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,872 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,566 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,101 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,307 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,057 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,279 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,350 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,860 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,635 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,828 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,303 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,072 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,713 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,986 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,963 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,604 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,132 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,049 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,388 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,607 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,250 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,639 |
| North America Map Quiz | 0 | - | 4.98 | 250,629 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,680 |
