| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,684 |
| Vietnam War Countries | 0 | - | 4.83 | 93,776 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,889 |
| US States Quiz | 0 | - | 5.00 | 16,744,835 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,806 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,752 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,935 |
| United States Map Quiz | 0 | - | 4.98 | 4,145,545 |
| US States with an Empty Map | 0 | - | 5.00 | 620,259 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,057 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,683 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,701 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,061 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,289 |
| U.S. States By Population | 0 | - | 4.92 | 152,616 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,690 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,033 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,775 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,885 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,095 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,095 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,057 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,271 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,799 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,227 |
| California... or Florida? | 0 | - | 4.60 | 51,100 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,329 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,269 |
| Which City in California? | 0 | - | 4.56 | 31,942 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,683 |
| U.S. State Flags | 0 | - | 4.89 | 168,093 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,030 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,088 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,111 |
| U.S. Senators by State | 0 | - | 4.45 | 39,807 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,721 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,049 |
| US States and State Capitals | 0 | - | 4.99 | 159,471 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,854 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,648 |
| Random American Countries on a Map | 0 | - | 4.96 | 98,878 |
| Random U.S. States on a Map | 0 | - | 4.96 | 622,800 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,417 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,045 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,316 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,523,417 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,077 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,930 |
| New York City A-Z | 0 | - | 4.18 | 32,221 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,768 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,072 |
| Europe Map Quiz | 0 | - | 5.00 | 4,739,523 |
| Pixelated United States Map | 0 | - | 4.89 | 93,675 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,026 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,271 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,212 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,645 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,158 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,784 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 66,975 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,665,735 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,713 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,234 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,252 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,271 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,710 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,943 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,946 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,092 |
| Which City in New York State? | 0 | - | 4.60 | 15,895 |
| Which City in Texas? | 0 | - | 4.45 | 25,004 |
| Which City in Florida? | 0 | - | 4.61 | 10,947 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,648 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,820 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,896 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,696 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,026 |
| Africa Map Quiz | 0 | - | 5.00 | 2,107,718 |
| Asia Map Quiz | 0 | - | 4.99 | 909,006 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,249 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,883 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,935 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,668,520 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,073 |
| New England States | 0 | - | 4.51 | 59,731 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,383,719 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,557 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,919 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,463 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,739 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,728 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,242 |
| U.S. States by Borders | 0 | - | 4.63 | 35,141 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 183,317 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 620,679 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,301 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,495 |
| California A-Z | 0 | - | 4.49 | 28,732 |
| Africa Capitals Quiz | 0 | - | 4.99 | 732,205 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,757 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,893 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,441 |
| Countries of Africa | 0 | - | 5.00 | 2,515,118 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,665 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,606 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,629 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,377,879 |
| South America Flags Map Quiz | 0 | - | 4.95 | 86,965 |
| Australia Map Quiz | 0 | - | 4.94 | 342,913 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,826 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,708 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,083 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,591 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,784 |
| Las Vegas Casinos | 0 | - | 4.12 | 37,988 |
| Hawaiian Islands | 0 | - | 4.83 | 42,505 |
| Rivers of the United States | 0 | - | 4.93 | 65,696 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,649 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,496 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,160 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,525 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,326 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,071 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,719 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,858 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,083 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,915 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,683 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,638 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,231,121 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,440 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,762 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,520 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,721 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 76,981 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,995 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,934 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,843 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,202 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,210 |
| Name a City - European Countries | 0 | - | 4.92 | 64,684 |
| Europe Capital to Country | 0 | - | 4.99 | 248,454 |
| Asia Capital to Country | 0 | - | 4.96 | 125,983 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,844 |
| European Capitals by Map | 0 | - | 4.99 | 137,155 |
| African Capitals by Map | 0 | - | 4.99 | 132,524 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,531 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,455 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,833 |
| European Coastal Capitals | 0 | - | 4.95 | 89,968 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,284 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,673 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,380 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,499 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,956 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,459 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,482 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,539 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,862 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,049 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,998 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,940 |
| Countries of the Middle East | 0 | - | 4.96 | 199,448 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,524 |
| The Only European Country ... | 0 | - | 4.91 | 214,595 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,659 |
| Slavic Countries | 0 | - | 4.96 | 111,063 |
| African Island Countries | 0 | - | 4.96 | 100,996 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,995 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,384 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,603 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,989 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,005 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,014,973 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,037 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,739 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,470 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,948 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,961 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,017 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,289 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,371 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,537 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,758 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,514 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,592 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,453 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,688 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,531 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,019 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,945 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,577 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,640 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,050 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,375 |
| North America Map Quiz | 0 | - | 4.98 | 245,728 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,929 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,193 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,547 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,498 |
