| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,051 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,242 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,954 |
| Random U.S. States on a Map | 0 | - | 4.96 | 624,686 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,064 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,329 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,064 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,290 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,256 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,447 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,437 |
| United States Map Quiz | 0 | - | 4.98 | 4,151,703 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,310 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,025 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,922 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,875 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,507 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,928 |
| US States Quiz | 0 | - | 5.00 | 16,817,644 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,691 |
| U.S. Senators by State | 0 | - | 4.45 | 39,884 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,237 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,334 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,857 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,526 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,123 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,361 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,440 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,011 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,292 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,722 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,689 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,328 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,452 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,165 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,245 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,543 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,678 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,568 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,375 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,496 |
| Random European Capital to Country | 0 | - | 4.98 | 190,514 |
| Random European Country to Capital | 0 | - | 4.93 | 164,103 |
| Random African Capital to Country | 0 | - | 4.97 | 100,385 |
| Random African Country to Capital | 0 | - | 4.94 | 70,969 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,975 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,047 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,544 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,173 |
| Countries of the German Empire | 0 | - | 4.51 | 37,849 |
| Every Asian Country Shape | 0 | - | 4.95 | 87,505 |
| United States Country Quiz | 0 | - | 4.43 | 101,237 |
| Europe Map Quiz | 0 | - | 5.00 | 4,752,834 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,545 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,065 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,305 |
| Pixelated United States Map | 0 | - | 4.87 | 94,005 |
| US States with an Empty Map | 0 | - | 5.00 | 622,665 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,583 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,063 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,092 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,113 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,628 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,618 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,866 |
| U.S. States By Population | 0 | - | 4.92 | 152,955 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,111 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,286 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,327 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,797 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,073 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,410 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,718 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,467 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,995 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,406 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,078 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,465 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,773 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,169 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,748 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,445,846 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,983 |
| Africa Map Quiz | 0 | - | 5.00 | 2,113,610 |
| Asia Map Quiz | 0 | - | 4.99 | 913,455 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,975 |
| U.S. State Flags | 0 | - | 4.89 | 169,485 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,180 |
| Hawaiian Islands | 0 | - | 4.83 | 42,624 |
| Rivers of the United States | 0 | - | 4.93 | 66,017 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,229 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,164 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,246 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,303 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 624,570 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,401 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,307 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,795 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,735 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,788 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,371 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,176 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,509 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,021 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,782 |
| US States and State Capitals | 0 | - | 4.99 | 160,957 |
| New York City A-Z | 0 | - | 4.18 | 32,264 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,350 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,126 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,500 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,668 |
| The Only European Country ... | 0 | - | 4.91 | 215,768 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,567 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,625 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,539 |
| Arms Exports - United States | 0 | - | 4.75 | 62,208 |
| Countries of Europe After World War II | 0 | - | 4.99 | 187,937 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,150 |
| Random Asian Countries on a Map | 0 | - | 4.90 | 169,612 |
| Random American Countries on a Map | 0 | - | 4.96 | 99,210 |
| Countries of Africa | 0 | - | 5.00 | 2,527,806 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,057 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,523 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,559 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,424 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,406 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,510 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,541 |
| Australia Map Quiz | 0 | - | 4.95 | 343,673 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,763 |
| African East Coast | 0 | - | 4.96 | 95,729 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,532,150 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,394 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,183 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,375 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,176 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,729 |
| California A-Z | 0 | - | 4.49 | 28,765 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,238,579 |
| Flags of Asia Quiz | 0 | - | 4.99 | 610,815 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,596 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,703 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,161 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,457 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,312 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,829 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,603 |
| Official Cities in the UK | 0 | - | 4.89 | 282,791 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,221 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,547 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,306 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,318 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,736 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,836 |
| Europe Capital to Country | 0 | - | 4.99 | 249,380 |
| Asia Capital to Country | 0 | - | 4.96 | 126,366 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,461 |
| European Capitals by Map | 0 | - | 4.99 | 138,338 |
| African Capitals by Map | 0 | - | 4.99 | 133,151 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,127 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,850 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,189 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,953 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,838 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,912 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,798 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,641 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,162 |
| European Coastal Capitals | 0 | - | 4.95 | 90,306 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,454 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,892 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,336 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 81,690 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,037 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,123 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,387 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,665 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,944 |
| Countries of the Middle East | 0 | - | 4.96 | 200,592 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,911 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,974 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,864 |
| Slavic Countries | 0 | - | 4.96 | 111,411 |
| African Island Countries | 0 | - | 4.96 | 101,344 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,876 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,000 |
| Monarchies of Europe | 0 | - | 4.90 | 97,875 |
| Monarchies of Asia | 0 | - | 4.97 | 70,925 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,762 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,660 |
| Asian Country Superlatives | 0 | - | 4.85 | 80,743 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,785 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,625 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,566 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,193 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,051 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,125 |
| The Only African Country ... | 0 | - | 4.99 | 128,865 |
| The Only American Country ... | 0 | - | 4.92 | 121,338 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,027 |
