| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,095 |
| Vietnam War Countries | 0 | - | 4.82 | 94,411 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,926 |
| US States Quiz | 0 | - | 5.00 | 16,934,064 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,450 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,944 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,182 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,963 |
| US States with an Empty Map | 0 | - | 5.00 | 626,492 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,200 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,809 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,765 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,435 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,761 |
| U.S. States By Population | 0 | - | 4.92 | 153,817 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,814 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,641 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,585 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,361 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,848 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 508,289 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,513 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,635 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,741 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,647 |
| California... or Florida? | 0 | - | 4.60 | 51,685 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,422 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,502 |
| Which City in California? | 0 | - | 4.56 | 32,097 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,944 |
| U.S. State Flags | 0 | - | 4.89 | 171,598 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,676 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,657 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,779 |
| U.S. Senators by State | 0 | - | 4.44 | 40,019 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,340 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,135 |
| US States and State Capitals | 0 | - | 4.99 | 163,827 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,970 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,175 |
| Random American Countries on a Map | 0 | - | 4.96 | 99,857 |
| Random U.S. States on a Map | 0 | - | 4.96 | 628,367 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,184 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,666 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,307 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,547,175 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,618 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,773 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,962 |
| New York City A-Z | 0 | - | 4.18 | 32,341 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,060 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,082 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,686 |
| Pixelated United States Map | 0 | - | 4.88 | 94,524 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,777 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,348 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,988 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,457 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,699 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,481 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,781 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,712,050 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,060 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,713 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,503 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,056 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,363 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,211 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,092 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,233 |
| Which City in New York State? | 0 | - | 4.60 | 16,019 |
| Which City in Texas? | 0 | - | 4.45 | 25,125 |
| Which City in Florida? | 0 | - | 4.61 | 11,005 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,794 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,998 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,964 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,112 |
| Oceania Map Quiz | 0 | - | 4.98 | 655,951 |
| Africa Map Quiz | 0 | - | 5.00 | 2,123,244 |
| Asia Map Quiz | 0 | - | 4.99 | 920,819 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,011 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,270 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,548 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,686,831 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,655 |
| New England States | 0 | - | 4.51 | 59,851 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,394,817 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,927 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,054 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,956 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,153 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 41,028 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,345 |
| U.S. States by Borders | 0 | - | 4.62 | 35,398 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 186,889 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 631,027 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,576 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,182 |
| California A-Z | 0 | - | 4.49 | 28,813 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,691 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,583 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 145,006 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,344 |
| Countries of Africa | 0 | - | 5.00 | 2,547,877 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,420 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,709 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,332 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,332 |
| South America Flags Map Quiz | 0 | - | 4.95 | 88,450 |
| Australia Map Quiz | 0 | - | 4.95 | 345,418 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,330 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,069 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,280 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,837 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,284 |
| Las Vegas Casinos | 0 | - | 4.13 | 38,098 |
| Hawaiian Islands | 0 | - | 4.83 | 42,805 |
| Rivers of the United States | 0 | - | 4.93 | 66,406 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,868 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,982 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,416 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,927 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,552 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,259 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,018 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,939 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,401 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,050 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,991 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,053 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,505 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,805 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,832 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,241 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,864 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 78,166 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,318 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,157 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,080 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,555 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,477 |
| Name a City - European Countries | 0 | - | 4.90 | 65,780 |
| Europe Capital to Country | 0 | - | 4.99 | 251,157 |
| Asia Capital to Country | 0 | - | 4.96 | 126,975 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,391 |
| European Capitals by Map | 0 | - | 4.99 | 140,586 |
| African Capitals by Map | 0 | - | 4.99 | 138,415 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,074 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,425 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,779 |
| European Coastal Capitals | 0 | - | 4.95 | 90,930 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,792 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,210 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,870 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,975 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,128 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,300 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,531 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,871 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,806 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,256 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,040 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,712 |
| Countries of the Middle East | 0 | - | 4.96 | 201,884 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,717 |
| The Only European Country ... | 0 | - | 4.91 | 217,761 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,030 |
| Slavic Countries | 0 | - | 4.96 | 112,003 |
| African Island Countries | 0 | - | 4.96 | 101,991 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,821 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,773 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,003 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,804 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,317 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,929 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,356 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,909 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,027 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,602 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,067 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,137 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,760 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,488 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,590 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,964 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,676 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,475 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,446 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,600 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,497 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,224 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,510 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,223 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,466 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,044 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,501 |
| North America Map Quiz | 0 | - | 4.98 | 249,835 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,447 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,248 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,305 |
