| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,687 |
| Vietnam War Countries | 0 | - | 4.83 | 93,776 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,890 |
| US States Quiz | 0 | - | 5.00 | 16,745,281 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,808 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,758 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,936 |
| United States Map Quiz | 0 | - | 4.98 | 4,145,570 |
| US States with an Empty Map | 0 | - | 5.00 | 620,276 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,066 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,686 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,708 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,065 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,295 |
| U.S. States By Population | 0 | - | 4.92 | 152,617 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,690 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,036 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,778 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,887 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,099 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,107 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,063 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,276 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,802 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,234 |
| California... or Florida? | 0 | - | 4.60 | 51,100 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,337 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,269 |
| Which City in California? | 0 | - | 4.56 | 31,943 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,683 |
| U.S. State Flags | 0 | - | 4.89 | 168,098 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,034 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,088 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,120 |
| U.S. Senators by State | 0 | - | 4.45 | 39,807 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,727 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,053 |
| US States and State Capitals | 0 | - | 4.99 | 159,482 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,856 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,658 |
| Random American Countries on a Map | 0 | - | 4.96 | 98,880 |
| Random U.S. States on a Map | 0 | - | 4.96 | 622,823 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,418 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,060 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,318 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,523,451 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,083 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,935 |
| New York City A-Z | 0 | - | 4.18 | 32,221 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,772 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,081 |
| Europe Map Quiz | 0 | - | 5.00 | 4,739,607 |
| Pixelated United States Map | 0 | - | 4.89 | 93,679 |
| 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 | 124,647 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,160 |
| 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 | 66,978 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,665,918 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,715 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,244 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,254 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,274 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,711 |
| 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 | 25,005 |
| Which City in Florida? | 0 | - | 4.61 | 10,947 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,650 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,823 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,901 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,716 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,044 |
| Africa Map Quiz | 0 | - | 5.00 | 2,107,758 |
| Asia Map Quiz | 0 | - | 4.99 | 909,048 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,251 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,888 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,940 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,668,559 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,076 |
| New England States | 0 | - | 4.51 | 59,732 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,383,731 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,571 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,920 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,464 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,740 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,730 |
| 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 | 183,325 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 620,695 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,303 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,511 |
| California A-Z | 0 | - | 4.49 | 28,732 |
| Africa Capitals Quiz | 0 | - | 4.99 | 732,216 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,775 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,894 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,445 |
| Countries of Africa | 0 | - | 5.00 | 2,515,195 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,666 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,608 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,631 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,377,898 |
| South America Flags Map Quiz | 0 | - | 4.95 | 86,970 |
| Australia Map Quiz | 0 | - | 4.94 | 342,922 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,832 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,709 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,083 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,593 |
| 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 | 42,506 |
| Rivers of the United States | 0 | - | 4.93 | 65,698 |
| 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 | 65,161 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,526 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,327 |
| 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 | 124,917 |
| 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 | 61,640 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,231,187 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,465 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,769 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,522 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,732 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 76,983 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,996 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,934 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,856 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,204 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,213 |
| Name a City - European Countries | 0 | - | 4.92 | 64,685 |
| Europe Capital to Country | 0 | - | 4.99 | 248,470 |
| Asia Capital to Country | 0 | - | 4.96 | 125,987 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,848 |
| European Capitals by Map | 0 | - | 4.99 | 137,170 |
| African Capitals by Map | 0 | - | 4.99 | 132,529 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,532 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,457 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,837 |
| European Coastal Capitals | 0 | - | 4.95 | 89,970 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,285 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,676 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,385 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,502 |
| 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 | 103,544 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,884 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,054 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,003 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,948 |
| Countries of the Middle East | 0 | - | 4.96 | 199,462 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,528 |
| The Only European Country ... | 0 | - | 4.91 | 214,599 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,665 |
| Slavic Countries | 0 | - | 4.96 | 111,065 |
| African Island Countries | 0 | - | 4.96 | 100,998 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,998 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,385 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,603 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,993 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,010 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,014,992 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,040 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,747 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,477 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,953 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,964 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,021 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,292 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,375 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,542 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,761 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,514 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,594 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,457 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,690 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,535 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,027 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,965 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,580 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,642 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,050 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,377 |
| North America Map Quiz | 0 | - | 4.98 | 245,739 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,931 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,195 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,547 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,515 |
