| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,723 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,553 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,024 |
| Random U.S. States on a Map | 0 | - | 4.96 | 631,219 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,089 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,584 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,391 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,952 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,740 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,593 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,903 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,508 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,454 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,292 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,693 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,641 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 114,437 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,823 |
| US States Quiz | 0 | - | 5.00 | 17,022,118 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,881 |
| U.S. Senators by State | 0 | - | 4.44 | 40,141 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,925 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,450 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,306 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,095 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,972 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,284 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,433 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,068 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,056 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,594 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,203 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,959 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,885 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 194,018 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,820 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,654 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,197 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,604 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,604 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,168 |
| Random European Capital to Country | 0 | - | 4.98 | 192,354 |
| Random European Country to Capital | 0 | - | 4.93 | 166,081 |
| Random African Capital to Country | 0 | - | 4.97 | 101,488 |
| Random African Country to Capital | 0 | - | 4.94 | 71,884 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,840 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,380 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,697 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 176,244 |
| Countries of the German Empire | 0 | - | 4.51 | 38,307 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,719 |
| United States Country Quiz | 0 | - | 4.43 | 102,338 |
| Europe Map Quiz | 0 | - | 5.00 | 4,793,266 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,576 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,455 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,107 |
| Pixelated United States Map | 0 | - | 4.89 | 94,931 |
| US States with an Empty Map | 0 | - | 5.00 | 629,565 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,179 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,913 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,428 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,452 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,382 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,507 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,555 |
| U.S. States By Population | 0 | - | 4.92 | 154,258 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,369 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,974 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,167 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,594 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,974 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,595 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,207 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,173 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,316 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,770 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,877 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,717 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,359 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,990 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,542 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,733 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,415 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,349 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,737 |
| Asia Map Quiz | 0 | - | 4.99 | 926,714 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,535 |
| U.S. State Flags | 0 | - | 4.89 | 173,442 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,261 |
| Hawaiian Islands | 0 | - | 4.83 | 43,003 |
| Rivers of the United States | 0 | - | 4.93 | 66,785 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,394 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,041 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,573 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,853 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 637,199 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,005 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,672 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,469 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,989 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,266 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,994 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,923 |
| Name a City - European Countries | 0 | - | 4.89 | 66,386 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,096 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,006 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,278 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,861 |
| US States and State Capitals | 0 | - | 4.99 | 165,995 |
| New York City A-Z | 0 | - | 4.18 | 32,404 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,226 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,686 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,251 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,475 |
| The Only European Country ... | 0 | - | 4.91 | 219,571 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,335 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,820 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,985 |
| Arms Exports - United States | 0 | - | 4.77 | 62,803 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,660 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,727 |
| Random Asian Countries on a Map | 0 | - | 4.91 | 171,188 |
| Random American Countries on a Map | 0 | - | 4.96 | 100,521 |
| Countries of Africa | 0 | - | 5.00 | 2,564,621 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,845 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 54,063 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,913 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,020 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,600 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,170 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,807 |
| Australia Map Quiz | 0 | - | 4.95 | 346,493 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,588 |
| African East Coast | 0 | - | 4.96 | 96,927 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,558,309 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,868 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 81,754 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,577 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,731 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,812 |
| California A-Z | 0 | - | 4.49 | 28,855 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,215 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,261,342 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,899 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,129 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,497 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,250 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,367 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,966 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,485 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,738 |
| Official Cities in the UK | 0 | - | 4.89 | 286,876 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,655 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,722 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,676 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,977 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,352 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,286 |
| Europe Capital to Country | 0 | - | 4.99 | 252,588 |
| Asia Capital to Country | 0 | - | 4.96 | 127,699 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,293 |
| European Capitals by Map | 0 | - | 4.99 | 142,556 |
| African Capitals by Map | 0 | - | 4.99 | 142,610 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,633 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,652 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,370 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,120 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,725 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,331 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,129 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,490 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,392 |
| European Coastal Capitals | 0 | - | 4.95 | 91,497 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,270 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,315 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,447 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,250 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,665 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,822 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,175 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,577 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,248 |
| Countries of the Middle East | 0 | - | 4.96 | 203,265 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,360 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,286 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,772 |
| Slavic Countries | 0 | - | 4.96 | 112,507 |
| African Island Countries | 0 | - | 4.96 | 102,742 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,615 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,548 |
| Monarchies of Europe | 0 | - | 4.90 | 99,031 |
| Monarchies of Asia | 0 | - | 4.97 | 71,605 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,241 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,735 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,355 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 119,710 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,265 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,012 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,483 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,961 |
